* NLE * NCLEX * CGFNS * HAAD * PROMETRICS * DHA * MIDWIFERY * LET * RAD TECH * CRIMINOLOGY * DENTISTRY * PHARMACY * CLUSTER III PRE-BOARD EXAMINATION 3 Philippine Respiratory Therapist Licensure Examination NAME: 1. Prior to intubation in an emergency, injection of air into the pilot line fails to inflate the cuff. You should a. check the cuff for leaks b. check the valve on the pilot line c. replace the endotracheal tube d. inspect the pilot line for patency 2. Which of the following conditions will cause a DECREASE in the FIO2 delivered to a patient receiving oxygen at 4 L/min via a nasal cannula? a. decrease in patient inspiratory flow b. increase in patient inspiratory time c. increase in patient minute ventilation d. decrease in patient tidal volume 3. When adjusting the sensitivity control during pressure-cycled ventilation, the respiratory therapist would be altering the: a. Volume of gas available to the patient on inhalation. b. Effort required to cycle the machine off as the patient exhales. c. Maximum amount of pressure to be delivered to the patient. d. Effort required to activate the machine as the patient inhales. 4. What size suction catheter would you select to suction a patient with a 9.0 mm ID tracheostomy tube? a. 10 Fr b. 12 Fr c. 14 Fr d. 16 Fr 5. A patient who is receiving an aerosol treatment with acetylcysteine (Mucomyst) and hypertonic saline via a SVN suddenly becomes dyspneic. The most likely cause of this problem is: a. hypercapnia b. bronchospasm c. pneumothorax d. Fluid overload 6. A patient who is being mechanically ventilated has just received vecuronium (Norcuron). Which of the following is the most important ventilator alarm to monitor to ensure patient safety? a. I:E ratio b. Circuit temperature c. High pressure d. Low pressure 7. A patient receiving continuous heated aerosol therapy with room air by a T-piece develops subcutaneous emphysema around the tracheostomy site, neck, and chest. After nothing unequal breath sounds, the most appropriate diagnostic procedure would be: a. A chest radiograph b. A maximum inspiratory pressure (MIP) measurement c. Timed forced expiratory volumes d. An arterial blood gas analysis 8. Which of the following would be most appropriate to recommend for a patient with dyspnea who has a 40% pneumothorax? a. Administer a nebulized bronchodilator b. Perform chest physiotherapy c. Insert an endotracheal tube d. Insert a chest tube 9. A neonate is having a seizure and requires heavy sedation. After intubation, which of the following should the respiratory therapist recommend? a. CPAP b. Pressure support ventilation c. Pressure controlled ventilation d. Volume controlled ventilation 10. Approximately how many hours will it take to empty an H cylinder of oxygen that contains 1200 psig and is flowing at 12 L/min? a. 3 b. 5 c. 7 d. 9 11. A patient with hypoxemia is receiving 10 cm H2O PEEP with an FiO2 of 0.40. Shortly after increasing the PEEP to 15 cm H2O, the respiratory therapist notes that the cardiac output measurement decreased from 4.5 to 2.7 L.min. Which of the following is the most appropriate action? a. Maintain the present therapy and measure cardiac output in 1 hour. b. Decrease PEEP to 10 cm H2O and increase the FiO2 to 0.50 c. Increase PEEP to 20 cm H20 and maintain the FiO2 at 0.40 d. Discontinue PEEP and increase the FiO2 to 1.0 12. A patient who is receiving volume-controlled ventilation has a sudden increase in airways resistance. Which of the following will change? a. Oxygen concentration b. Rate c. PEEP d. peak inspiratory pressure 13. A mechanically ventilated patient has developed an auto-PEEP of 10 cm H2O. The patient also experiences extreme difficulty in triggering the ventilator to initiate inspiratory flow. The problem persists following adjustment of the flow, frequency, and tidal volume settings on the ventilator. The therapist should recommend: a. Bronchoscopy b. Changing the sensitivity level to -1cm H2O c. sedation d. starting mechanical PEEP at 8cm H2O 14. A 50 kg patient is being mechanically ventilated with the following settings: SIMV of 10/min, VT of 700 ml. FIO2 of 30%, peak flow of 60 L/min, PEEP of 4 cm H2O. Since air trapping is evident, the physician asks what should be done to minimize or eliminate air trapping. The therapist should recommend: a. Increasing the frequency b. Decreasing the flow c. Increasing the PEEP d. Decreasing the tidal volume 15. An 80 kg patient who is being mechanically ventilated with the following settings: SIMV of 10/min, VT of 600 ml, FIO2 of 40%, peak flow of 40L/min and PEEP of 4 cm H2O. The patient suddenly develops an auto-PEEP of 8 cm H2O due to air trapping. What should the therapist recommend? a. Increase SIMV rate to 12/min b. Increase VT to 700 ml c. Increase PEEP to 7 H2O d. Discontinue PEEP 16. During patient education and training, the respiratory therapist discovers that a patient is unable to use a metered dose inhaler (MDI) correctly. The patient lacks the coordination to perform a breath-hold maneuver for longer than five seconds. The respiratory therapist should: a. Instruct the patient to activate the MDI twice before each inhalation b. Add a spacer and educate patient to use the set up correctly c. Discontinue the MDI treatments and notify physician d. Change to a small volume nebulizer 17. A COPD patient with has moderate amount of retained secretions in both lungs. He is alert but unable to breathe deep and cough productively. In order to facilitate removal of secretions, the respiratory therapist should use a(n): a. Bronchoscope b. Nasogastric tube c. oropharyngeal airway d. nasopharyngeal airway 18. A home care therapist is setting up an oxygen concentrator for a patient who requires continuous oxygen therapy. As a safety precaution to accompany the oxygen concentrator, the therapist should also setup a(n): a. Oxygen analyzer with alarm features b. Size “E” oxygen cylinder c. Carbon monoxide analyzer d. Electric power generator 19. A mechanically ventilated patient become hypoxic whenever endotracheal suctioning is done via an open suction catheter set up. in order to minimize or reduce these hypoxic incidents, the respiratory therapist should: a. Increase the ventilator tidal volume b. Increase the SIMV rate c. Change to a closed suction setup d. Change to a non-invasive positive pressure ventilator 20. An 80 kg patient with head injury and flail chest, has been intubated with a size 6 endotracheal tube (ETT) prior to mechanical ventilation. The cuff pressure is being kept at 40 cm H2O to prevent cuff leak. The RCP should: a. Use minimal leak technique and adjust the cuff pressure to 30 cm H2O b. Keep the cuff pressure at 40cm H2O c. Change to size 7.5 ETT d. Maintain current set up 21. After assisting a physician with an RT intubation, the RRT is asked to evaluate the placement of the ET tube. Which of the following procedures should the RRT perform? I. Listen for the bilateral breath sounds. II. Auscultate the epigastrium. III. Obtain an ABG. IV. Measure the patient’s negative inspiratory force. a. I, II only b. II, III only c. I, IV only d. I, II, IV only 22. While checking an aerosol mist tent, the respiratory therapist is unable to see any aerosol particles in the tent. The therapist should: a. Decrease the F, Oz setting on the aerosol-producing device. b. Check the patency of the jet and capillary tube on the aerosol device. c. Check the coolant level in the refrigeration unit. d. Empty any water that has collected in the condensation bottle. 23. The respiratory therapist is preparing to initiate oxygen therapy by a nasal cannula at 2 L/min for a 58 year old patient who has admitted with chest pain. Upon entering the patient's room, the therapist finds him slumped over in bed and unresponsive to verbal and tactile stimuli. The therapist should do which of the following first? a. Call for help b. Administer oxygen c. Begin external cardiac compression d. Deliver a precordial thump 24. The following ABG data were obtained from a chronic CO2 retaining patient who was breathing room air: PO2 40 torr PCO2 65 torr pH 7.30 Which type of oxygen therapy would be appropriate? a. Nasal cannula at 2 L/min. b. Partial rebreathing mask at 10 L/min. c. Simple O2 mask at 10 L/min. d. Air entrainment mask at 24% O2. 25. An RT is called to the ICU to assist with the intubation of a patient. The anesthesiologist is inserting a double-lumen ET tube. Which of the following conditions is most likely to warrant the insertion of this type of artificial airway? a. Severe adult respiratory distress syndrome (ARDS) b. Tracheal malacia c. Unilateral interstitial fibrosis d. Diffuse idiopathic consolidated pneumonia. 26. The patient with a head injury is being mechanically ventilated at a rate of 18 /min. The delivered tidal volume is 900 mL. The patient's current arterial blood gas results are below: pH - 7.50 PaCO2 - 28 torr PaO2 - 90 torr HCO3 - 21 mEq/L BE - -1 mEq/L The most appropriate recommendation for this patient would be to: a. b. c. d. Maintain the present settings Decrease the ventilator rate Decrease the tidal volume Add mechanical dead space 27. Which of the following drugs would be most appropriate to recommend as a substitute for metaproterenol sulfate (Alupent) for a patient who has bronchospasm and whose cardiac rate increases by 60/beats/min with each treatment? a. Acetylcysteine (Mucomyst) b. Beclomethasone (Vanceril) c. Racemic epinephrine (Vaponephrin) d. Albuterol (Proventil) 28. All of the following are true concerning the use of a transcutaneous PO2 monitor EXCEPT: a. A low calibration point is done with a "zero" solution or gas. b. The site should be changed every 3 to 4 hours. c. Skin temperature control should be set at 37C. d. PtcO2 values should be correlated with arterial blood samples periodically. 29. In which of the following patient should pressure support be initiated? a. A patient with absent or depressed respiratory drives with an endotracheal tube in place. b. A patient receiving SIMV who exhibits signs of increased spontaneous ventilatory effort. c. A patient with low lung compliance, atelectasis, and severe refractory hypxemia. d. A patient in the postanesthesia care unit (PACU) who requires short-term ventilatory support. 30. Which of the following is most effective in destroying all micro organisms? a. b. c. d. Acetic acid Pasteurization Ethylene oxide Isopropyl alchohol b. decrease the SIMV rate c. increase the peak flow d. increase the tidal volume to 800 Ml 31. The respiratory therapist is using a pulse oximeter to monitor SpO2 on a 54 year old man who was rescued from a fire. The electrode is placed on the left ear lobe. The measured SpO2 is 90%. However, the patient's SaO2, obtained from an arterial blood sample analyzed by a co-oximeter is 79%. Which of the following is the most likely explanation for the difference in saturation? a. Operator error b. Pigmentation of the patient's skin c. Presence of increased COHb d. Oximeter out of calibration 32. The respiratory therapist is reviewing a postoperative patient's care plan. The physician has changed the patient's therapy from incentive spirometry to IPPB. What is the most likely goal, for this change? a. Delivery of aerosolized bronchodilators. b. Improvement in alveolar oxygenation. c. Prevention of lower lobe atelectasis. d. Promotion of airway clearance. 33. All of the following statements about endotracheal intubation of an adult are correct EXCEPT: a. A curved blade is used to directly lift epiglottis. b. The patient's head should be placed in the sniffing position. c. The patient should be hyper oxygenated before each intubation attempt. d. An intubation attempt should be discontinued after 10-20 seconds if unsuccessful and manual ventilation resumed. 34. A patient receiving mechanical ventilation has the following ventilator settings and arterial blood gas results: Ventilator Settings Blood Gases Mode SIMV pH 7.56 VT 750 ml PaCO2 26 torr Set Rate 12 HCO3 22 mEq/L Spon Rate 0 PaO2 92 torr FIO2 SaO2 96% 0.55 Which of the following should recommend? a. decrease the FIO2 to 0.50 you 35. A physician orders intubation and mechanical ventilation in the CMVassist/control mode for a 190 lb adult male patient with ARDS. Which of the following ventilatory parameters would be most appropriate for this patient? Rate/min VT (mL) A 10 800 B 18 1300 C 8 900 D 20 450 a. b. c. d. A B C D 36. A physician orders a "T-tube trial" for a patient receiving ventilatory support in the assist-control mode with an FIO2 of 0.50. What FIO2 would you deliver to the patient during her spontaneous breathing period? a. 0.30 b. 0.70 c. 0.60 d. 0.50 37. Which of the following statements is true regarding to a fenestrated trach tube ( with a non-fenestrated inner cannula ) when it is used on a spontaneously breathing patient? a. Cuff must be inflated when the trach tube opening is plugged b. Cuff must be deflated when the trach tube opening is plugged c. Patient may talk when the trach tube opening is plugged and cuff inflated d. This tube should not be used on a spontaneously breathing patient 38. Mr. Benedict, a 40 years old, 60 kg patient has just been intubated with a size 7 ETT. Following intubation and inflation of the cuff, the cuff pressure reads 42 cmh20. What should the RT do at this time? a. Add air to the cuff b. Remove air from the cuff c. Do nothing because the cuff pressure is within the normal range d. Change to a size 6 ETT 39. Before the suctioning of a patient, auscultation reveals coarse breath sounds during both inspiration and expiration. After suctioning, the coarseness disappears, but expiratory wheezing is heard over both lung fields. What is most likely the problem? a. The patient has developed a mucous plug and should undergo bronchoscopy. b. Secretions are still present and the patient should be suctioned again c. The patient has hyperactive airways and has developed bronchospasm. d. A pneumothorax has developed and the patient needs a chest tube 40. What is the standard size for endotracheal or tracheostomy tube adapters? a. 22 mm internal diameter b. 15 mm external diameter c. 22 mm external diameter d. 15 mm internal diameter 41. Ideally, the distal tip of a properly positioned endotracheal tube (in an adult man) should be positioned about how far above the carina? a. 1 to 3 cm b. 3 to 6 cm c. 7 to 9 cm d. 4 to 6 inches 42. When properly positioned and with the cuff inflated, the mask of a laryngeal mask airway (LMA) seals off the: a. soft palate b. nasopharynx c. esophagus d. laryngeal inlet 43. A patient on mechanical ventilation was given 4 puffs of albuterol 5 minutes ago through a metered-dose inhaler (MDI) and holding chamber placed 18 inches from the circuit’s airway connector. The patient continues to exhibit clinical signs of increased airway resistance but has demonstrated no apparent side effects from the drug. Which of the following would you recommend at this time? a. Remove the circuit-holding chamber and repeat MDI actuation b. Discontinue the albuterol and switch to a systemic bronchodilator c. Move the MDI closer to the patient’s airway and repeat use d. Repeat administration until the desired response is achieved 44. A patient receiving ventilatory support is being provided with humidification using a heat-moisture exchanger (HME). A physician orders a bronchodilator drug administered through a metered-dose inhaler (MDI) via the ventilator circuit. Which of the following must be performed to ensure delivery of the drug to the patient? a. A heated humidifier should replace the HME when using the MDI b. The inspiratory flow setting of the ventilator should be increased c. The HME must be removed from the circuit during MDI use d. The VT setting of the ventilator should be decreased. 45. Which of the following nebulizers uses a piezoelectric transducer to generate liquid particle aerosols? a. hydrodynamic nebulizer b. centrifugal nebulizer c. ultrasonic nebulizer d. jet nebulizer 46. A physician has ordered the antiviral agent ribavirin (Virazole) to be administered by aerosol to an infant with bronchiolitis. Which of the following devices would you recommend in this situation? a. ultrasonic (piezoelectric) nebulizer b. hydrodynamic (Babbington) nebulizer c. small-particle aerosol generator (SPAG) d. large-volume heated jet nebulizer 47. What is the minimum flow setting for a simple mask applied to an adult? a. 3 L/min b. 5 L/min c. 8 L/min d. 10 L/min 48. You design an air-entrainment system that mixes air with O2 at a fixed ratio of 1:7 (1 L air to 7 L O2). About what O2 will this device provide? a. 40% b. 33% c. 80% d. 90% 49. You must deliver the highest possible FIO2 to a 67-year-old man with pulmonary edema breathing at a rate of 35/min. Which of the following O2 delivery systems would be most appropriate? a. partial rebreathing mask at 12 to 15 L/min b. simple mask at 12 to 15 L/min c. nonrebreathing mask at 12 to 15 L/min d. aerosol mask with nebulizer set to 100% 50. A physician orders 2 L/min O2 through a simple mask to a 33-year-old postoperative woman with moderate hypoxemia breathing room air (PaO2 = 52 mm Hg). What would be the correct action at this time? a. Recommend a flow of at least 5 L/min to wash out carbon dioxide (CO2). b. Carry out the physician’s prescription exactly as written c. Recommend that the mask be changed to a cannula at 2 L/min. d. Do not apply the O2 until the medical director has been contacted 51. The gauge on an E cylinder of O2 reads 800 psig. About how long would the contents of this cylinder last, until completely empty, at a flow of 3 L/min? a. 1 hour 45 minutes b. 1 hour 15 minutes c. 2 hours 10 minutes d. 2 hours 40 minutes 52. The respiratory therapist is called to a patient's room to check the oxygen setup. The flow to the patient's mask is supplied by an air flow meter running at 15 L/min and an O2 flow meter running at 15 L/min. The delivered oxygen percentage from this device is which of the following? a. 24% b. 35% c. 40% d. 60% 53. You are planning a patient transport that will take about 1 hours. The patient requires manual ventilation with 10 L/min of O2. What is the minimum number of full E cylinders you would take with you? a. 2 b. 3 c. 4 d. 5 54. A well-fitted nonrebreathing mask, adjusted so that the patient’s inhalation does not deflate the bag (flows approximately 10 L/min), should provide inspired O2 concentrations in what range? a. 45% to 60% b. 55% to 70% c. 70% to 85% d. 75% to 90% 55. A physician wants a stable FIO2 of 0.5 for a newborn infant with severe hypoxemia. Which of the following systems would you select? a. O2 hood with blender and unheated humidifier b. O2 hood with blender and heated humidifier c. O2 hood with blender and unheated humidifier d. infant incubator with O2 input of 10 L/min 56. You are giving a 80% He:20% O2 mixture to an asthmatic patient through a nonrebreathing mask with a compensated Thorpe tube O2 flowmeter set at 8 L/min. What is the actual flow being delivered to the patient? a. 12 L/min b. 10 L/min c. 14 L/min d. 18 L/min 57. What cylinder factor is used to compute the duration of flow for a 22 cu/ft O2 or air E cylinder? a. 0.16 b. 0.28 c. 3.14 d. 2.41 58. Given the following data, what is the patient’s total arterial O2 content? pH 7.41 HCO3 26 mEq/L PaCO2 37 mm Hg SaO2 95% PaO2 88 mm Hg Hb 14 g/dL a. 12 mL/dL b. 14 mL/dL c. 16 mL/dL d. 18 mL/dL 59. An adult patient in respiratory failure has the following blood gases on a simple oxygen mask at 8 L/min: pH=7.19; PaCO2=68 torr; HCO3=28 mEq/L; PaO2= 85 torr. The attending physician orders intubation and ventilatory support. Which of the following FIO2 would you initially select for this patient? a. 0.25 b. 0.30 c. 0.45 d. 0.60 60. A 35 year old postoperative is in no apparent distress and has clear breath sounds. Which of the following should the respiratory therapist select to prevent atelectasis? a. IPPV b. Incentive spirometer c. Mechanical chest percussor d. Aerosolized bronchodilator therapy 61. If a patient's pulse rate increases by 40/min during a respiratory care treatment, the respiratory therapist should do which of the following? a. Terminate the treatment and notify the physician of the patient's reaction. b. Continue the treatment as ordered and and monitor the patient's pulse. c. Shorten the duration of the treatment. d. Let the patient rest for 5 minutes and then continue the treatment as ordered. 62. After a bland aerosol treatment rhonchi are detected. The respiratory therapist should: a. Encourage the patient to cough. b. Recommend administration of a bronchodilator. c. Recommend discontinuation of therapy. d. Discontinue the treatment and administer oxygen. 63. Which of the following would the respiratory therapist select to treat a patient who has obstructive sleep apnea? a. Nasal cannula b. Chest cuirass ventilator c. Bilevel positive airway pressure d. Airway pressure-release ventilation 64. The recommend time endotracheal suctioning is: a. 1-5 sec b. 5-10 sec c. 10-15 sec d. 15-20 sec duration for 65. You enter a room alone and find a patient unresponsive and without pulse. You call for help and a defibrillator but no one responds. Which of the following actions would be appropriate in this case? a. immediately deliver three precordial thumps b. wait for an AED/defibrillator to arrive c. intubate and begin mechanical ventilation d. immediately begin chest compressions 66. Types of reservoir cannulas include which of the following? I. Mustache II. Pulse demand III. Pendant IV. High flow a. I and II b. II and III c. I, III, and IV d. II, III, and IV 67. Which of the following can help to minimize the likelihood of mucosal trauma during suctioning? I. Use a large catheter as possible II. Rotate the catheter while withdrawing III. Use a rigid catheter as possible IV. Limit the amount of negative pressure a. I,II b. II,IV c. III,IV d. I,II,IV 68. While checking a crash cart for intubation equipment, you find the following: suction equipment, O2 apparatus, two laryngoscope and assorted blades, five tube, Magill forceps, lubricating gel, and local anesthesia, what is missing? I. Berman OPA II. Syringe(s) III. Resuscitator bag or mask IV. Tube stylet a. I,II,III b. II,IV c. II,III,IV d. I,II,III,IV 69. If a Venturi mask is set at 28% and the liter flow is set above the set liter flow prescribed on the device, what FIO2 is being delivered? a. 28% b. 32% c. 100% d. 80% 70. Your ventilated patient has an exhaled tidal volume of 700 mL. Because of refractory hypoxemia, 6 cm of PEEP therapy is started. The peak pressure is 25 cm water. The compliance factor has been determined to be 4 mL/cm water. Calculate the static compliance (Cst) for this patient. a. 19 mL/cm water b. 24 mL/cm water c. 28 mL/cm water d. 32 mL/cm water 71. Your ventilated patient has an exhaled tidal volume of 700 mL. Because of refractory hypoxemia, 6 cm of PEEP therapy is started. The peak pressure is 25 cm water. The compliance factor has been determined to be 4 mL/cm water. Calculate the dynamic complance (Cdyn) for this a. 16 mL/cm water b. 19 mL/cm water c. 24 mL/cm water d. 32 mL/cm water 72. The therapist is assisting in a synchronized cardioversion procedure for a patient with atrial flutter. The patient is appropriately sedated and breathing spontaneously at a rate of 14/min. After two shocks of 100J and 200 J, the rhythm changes to ventricular fibrillation. The therapist should immediately perform a. Synchronized shock at 300 J b. Unsynchronized shock at 300J c. Cardiopulmonary resuscitation d. Carotid artery massage 73. You are going to assess in the ambulance transport of the 25-year old patient. The patient has an oral Et tube, an you are going to manually ventilate his lung during the trip. Which of the following would you choose to help you ensure that the ET tube stays properly placed with in the trachea? a. Pulse oximeter b. Capnograph c. ECG d. Disposable exhaled CO2 detector 74. A patient in the Emergency Department is being treated for a large right-sided tension pneumothorax. The treatment should consist of placing a chest tube at the: a. 2nd or 3rd intercostal space along the mid-clavicular line, below the intended rib b. 2nd or 3rd intercostal space along the mid-clavicular line , above the intended rib c. 5th through 7th intercostal space along the mid-axillary line, above the intended rib d. 5th through 7th intercostal space along the mid-axillary line, below the intended rib 75. You are asked to position a patient for orotracheal intubation. You should place the patient's head a. in the sniffing position b. straight with the torso, with the neck hyperextended c. tilted forward toward the chest d. turned to the right, with the neck hyperextended 76. For single-rescuer resuscitation of a child (18 years old), the proper rate, depth of external chest compressions and compression to breath ratio is: a. Rate of 100/min, depth of one inch and ratio of 30:2 b. Rate of 80/min, depth of 1 to 1½ inches and ratio of 15:2. c. Rate of 100/min, depth of 1 to 1½ inches and ratio of 30:2 d. Rate of 80/min, a depth of 1½ to 2 inches and ratio of 30:2. 77. A Pseudomononas outbreak has occurred in the bronchoscopy unit. In order to eliminate contamination of the equipment and spread of nosocomial infection, the bronchoscopes should be sterilized by: a. Steam autoclave b. Gluteraldehyde c. enzyme solution d. ethylene oxide 78. A 70-kg (154-lb) patient with a stroke is being mechanically ventilated in the A/C mode with the following settings: I:E ratio, 1:2 FIO2, 0.35 Rate, 12 Mechanical dead space, 150 mL His ABG results are as follows: pH, 7.30 PaCO2, 51 torr HCO3, 24 mEq/L PaO2, 107 torr On this basis of this information, it would be most appropriate to recommend: a. Decreasing the FIO2 b. Decreasing the minute ventilation c. Increasing the respiratory rate d. Decreasing the mechanical dead space 79. A year 21 old man arrives in the emergency department (ED) after being rescued from a house fire. Physical examination reveals burns on the upper chest and face, and marked edema of the face and oropharynx. The results of an arterial blood gas sample obtained while the patient was breathing room air are below: Ph - 7.55 PaCO2 - 26 torr PaO2 - 105 torr HCO3 - 22 mEq/L BE - 0 mEq/L Based on the patient's condition at this time, the respiratory therapist should recommend which of the following? a. b. c. d. Intubate the patient Administer IPPB with ethanol Administer metaproterenol ( Alupent ) Administer aerosol therapy 80. Over the past three hours, the RRT has recorded the data in Table 5-2 on the ventilator flowsheet of a 70-kg patient who is receiving mechanical ventilation in the control mode. Ventilator Flowsheet Data TIME PPLATEAU PIP 20 cm 30 cm H2O H2O 1900 700 cc 21 cm 35 cm 2000 700 cc H2O H2O 2100 700 cc 22 cm 50 cm H2O H2O What should the RRT do in response to this data? I. II. III. IV. VTEXHALED Reposition the endotracheal tube. Increase the pressure limit. Perform endotracheal suctioning. Administer a bronchodilator. a. I only b. II only c. III, IV only d. I, III only 81. A 65-year-old COPD patient is admitted to the emergency department complaining of shortness of breath. His family informs the physician that the patient recently caught the flu and that his condition has worsened during the past few days. He appears dyspneic and has an irregular ventilator pattern with a ventilatory rate of 30 breaths/min. His VT is 400 cc, and his radial pulse is 122 beats/min. The patient is lucid and responds to questioning. Room Air ABGs reveal the following: PO2 50 torr PCO2 68 torr pH 7.29 HCO3 32 mEq/liter SO2 75% [Hb] 18 g% A nasal cannula with a flow rate of 6 L/min. is installed for this patient per physician’s orders. When the RRT returned to this patient’s room after being away for about 20 minutes, she observes the patient to be asleep. His ventilator rate is now 10 breaths/min., and his tidal volume has fallen to 300 cc. He is confused, does not respond well to questioning, and slumbers off to sleep again. Which statement(s) correctly describe(s) this situation? I. II. III. IV. The fact that this patient is no longer tachypneic is a sign of improvement. His somnolence and reduced sensorium indicate the possibility of CO2 narcosis. The oxygen administered to this patient is being provided by the appropriate device for this situation. The patient should be left alone (i.e., not awakened) because this is the first time in a few days that he has been able to rest. a. I, IV only b. III, IV only c. II only d. I only 82. In establishing a respiratory care plan for a cystic fibrosis patient, which of the following types of equipment would be the most therapeutically useful? a. Incentive spirometer b. Positive expiratory pressure (PEP) mask c. Pneumotachometer d. Ultrasonic nebulizer 83. The RT is setting up a pneumatically powered mechanical ventilator in the home of an oxygen-dependent chronic obstructive pulmonary disease (COPD) patient. After adjusting the ventilator settings, the RRT connects the patient’s liquid oxygen system to the ventilator. Despite the connection to this pressure source, the ventilator’s lowpressure alarm continuously sounds. What might be the cause of this situation? a. The liquid oxygen system is an inappropriate supply source for the ventilator. b. The low pressure alarm is set too low. c. The liquid oxygen system’s flowcontrol valve needs to be opened further. d. The liquid oxygen system’s pressurerelease valve is stuck in the open position. 84. While administering an IPPB treatment, the respiratory therapist notices that the pressure rises slowly toward the set pressure, but reaches the set pressure only when the patient actively exhales. Which of the following is the most likely explanation? a. The inspiratory flow is too high. b. The nebulizer drive line is kinked. c. There is a leak in the expiratory valve. d. The expiratory valve sticks before opening. 85. For drainage of the superior and inferior lingula segments, the patient should be positioned: 1. With the foot of the bed elevated 14 inches 2. One fourth turn up from the front-down position on the bed 3. One fourth turn up from the back-down position on the bed 4. With the foot of the bed elevated 30 degrees 5. Flat on his or her back a. 1 and 3 b. 4 and 5 c. 1 and 2 d. 1 and 5 86. After several days of receiving PD and percussion therapy to all lobes in the left lung, the patient’s chest radiograph shows improvement except for the lateral basal segment of the left lower lobe. In what position should he now be placed for PD? a. Right side down with the head of the bed down 30 degrees b. Right side down with bed flat c. Left side down with the head of the bed down 30 degrees d. Flat on his back with the bed flat and a pillow beneath the knees 87. Which of the following is the most appropriate airway clearance method for an infant with cystic fibrosis? a. Exercise b. PDPV c. MIE d. PEP 88. In assessing an adult outpatient for airway clearance therapy, you notice the following: (1) no history of cystic fibrosis or bronchiectasis, (2) sputum production of 30 to 50 ml/day, (3) an effective cough, and (4) good hydration. Which of the following would you recommend? a. MIE b. IPV c. PDPV d. PEP 89. A physician orders postural drainage for a patient with aspiration pneumonia in the superior segments of the left lower lobe. Which of the following positions would you recommend for this patient? a. patient supine with a pillow under knees, bed flat b. head down, patient prone with a pillow under abdomen c. patient prone with a pillow under abdomen, bed flat d. head down, patient supine with a pillow under knees 90. A physician orders postural drainage for a patient with an abscess in the right middle lobe. Which of the following positions would you recommend for this patient? a. patient supine with a pillow under knees, bed flat b. head down, patient prone with a pillow under abdomen c. patient prone with a pillow under abdomen, bed flat d. head down, patient half-rotated to left, right lung up 91. During the administration of IPPB, the respiratory care practitioner notices the machine repeatedly cycles on shortly after the patient has begun expiration. In order to correct this problem, the practitioner should check which of the following controls? I. sensitivity control II. Flow control III. Inspiratory pressure control IV. Rate control a. I only b. I and II only c. II and III only d. I and IV only 92. Which of the following are appropriate volume goals for intermittent positivepressure breathing (IPPB) therapy? 1. 10 to 15 ml/kg ideal body weight 2. At least 30% of the inspiratory capacity (IC) 3. Pressure level as high as 30 to 35 cm H2O a. 1 and 3 b. 1 and 2 c. 2 and 3 d. 1 93. You are working in the ER when an automobile crash victim arrives by ambulance. She is conscious, screaming and hysterical from the extreme pain of a broken lower leg. What would you recommend for sedation? a. Morphine sulfate b. Ibuprofen c. Succinylcholine chloride d. Ipratropium bromide 94. You are administering an aerosolized bronchodilator to your patient. Her pretreatment PR was 85 bpm. You would stop the treatment if her PR reached a. 90 bpm b. 100 bpm c. 110 bpm d. 120 bpm 95. A patient in cardiogenic shock has a blood pressure of 70/40. The respiratory therapist should recommend which of the following medications to treat this patient’s hypotension? a. Dopamine (Intropin) b. Lidocaine (Xylocaine) c. Nitroprusside (Nipride) d. Furosemide (Lasix) 96. The following hemodynamic data is recorded for a patient: Heart rate 86/min Cardiac output 3.9 L/min SVR 3200 dynes. sec. cm-5 Blood pressure 162/98 Which of the following medications is the most appropriate recommendation? a. albuterol (Proventil) b. furosemide (Lasix) c. dopamine (Intropin) d. nitroprusside (Nipride) 97. A physician has ordered albuterol (Proventil) and deoxyribonuclease (DNase) by aerosol for a cystic fibrosis patient who also receives postural drainage TID. You should administer these therapies in which of the following sequences? a. deoxyribonuclease (DNase), postural drainage, albuterol (Proventil) b. postural drainage, albuterol (Proventil), deoxyribonuclease (DNase) c. albuterol (Proventil), deoxyribonuclease (DNase), postural drainage d. deoxyribonuclease (DNase), albuterol (Proventil), postural drainage 98. You are assisting in the treatment and evaluation of a heroin overdose patient in the ER who is hypoventilating. The physician asks you to recommend a drug to help reverse the effects of the narcotic and enable the patient's breathing to return to normal. Which of the following drugs would you recommend? a. vecuronium (Norcuron) b. fentanyl (Sublimaze) c. indomethacin (Indocin) d. naloxone (Narcan) 99. Which of the following is the most appropriate method to open a patient’s airway who is suspected of having a neck fracture? a. jaw thrust maneuver b. head-tilt chin lift c. hyperextension of the neck d. place the patient in Trendelenburg 100. During properly performed external chest compression on infants, how much should the sternum be compressed? a. 0.5 to 1.0 inch b. 1.0 to 1.5 inches c. 1.5 to 2.0 inches d. 2.0 to 2.5 inches 101. What is the initial energy level for a biphasic defibrillation of an adult patient? a. 120 to 200 J b. 200 to 300 J c. 300 to 360 J d. 400 J 102. The respiratory therapist is called to the emergency department to assess a 3-yearold male brought in after being pulled from the bottom of a swimming pool. He is unresponsive and pale with peripheral cyanosis. Vital signs are below: Heart rate 52/min Blood pressure 56/24 mm Hg Respiratory rate 10/min with intercostal retractions Temperature 33oC (91.4oF) Which of the following treatments are appropriate? I. endotracheal intubation II. Heated aerosol mask at 100% O2 III. Manual ventilation with 100% O2 IV. Chest compressions a. I and III only b. II and IV only c. I and IV only d. I, III and IV only 103. What is the normal disparity between end-tidal PCO2 and PaCO2? a. End-tidal PCO2 is 1 to 5 mm Hg higher than PaCO2 b. End-tidal PCO2 is 1 to 5 mm Hg less than PaCO2 c. End-tidal PCO2 is 5 to 10 mm Hg less than PaCO2 d. End-tidal PCO2 is 5 to 10 mm Hg higher than PaCO2 104. Therapeutic indications for fiberoptic bronchoscopy include which of the following? 1. Inspect the airways 2. Retrieve foreign bodies 3. Obtain specimens for analysis 4. Aid endotracheal intubation a. 2 and 4 b. 3 and 4 c. 1, 2 and 3 d. 1, 2, 3 and 4 105. During fiberoptic bronchoscopy, a patient receiving intravenous fentanyl exhibits signs of respiratory depression. Which of the following would you recommend? a. Decrease the oxygen flow rate and continue monitoring b. Increase the oxygen flow rate and continue monitoring c. Immediately administer naloxone (Narcan) d. Immediately administer neostigmine or prostigmine 106. The respiratory therapist notices on a patient’s chest tube drainage system that there is fluctuation of the water level in the water-seal chamber with each patient breath and air bubbles seen only in the suction control chamber, which has a suction pressure of 15 cm H2O. The most appropriate action is which of the following? a. Withdraw the chest tube until bubbling starts in the water-seal chamber b. Recommend a chest radiograph to determine whether the pneumothorax has resolved c. Clamp the chest tube and check for leaks d. Insert the chest tube farther, until bubbling stops in the vacuum chamber 107. Which of the following is the LEAST important area for the respiratory therapist (RT) to discuss with the home care patient? a. Pathology of the disease process b. Cleaning of equipment c. Side effects of prescribed therapy d. Importance of proper therapy techniques 108. Which of the following will best determine a patient’s compliance with the smoking cessation program? a. PaO2 b. SpO2 c. FEV1 d. CO monitoring 109. A 15 year old patient with cystic fibrosis has copius amounts of secretions. She cannot tolerate PDT because she gets a headache when tipped head-down. Aerosolized bronchodilators and mucolytic agents are ordered every 4 hrs by SVN. What else would you recommend? a. Add incentive Spirometry b. Give the aerosolized medications by IPPB therapy. c. Add PEP therapy d. Modify the PDT position so that the head is not lower that the patient’s body. 110. What is the average distance from the tip of a properly positioned oral endotracheal tube to the incisors of an adult man? a. 16 to 18 cm b. 19 to 21 cm c. 21 to 23 cm d. 24 to 26 cm 111. The therapeutic objective in the management of a patient who has a head trauma and is receiving ventilatory support is to: a. Release air from the pleural space b. Lower the minute ventilation c. increase intrathoracic pressure d. Reduce intracranial pressure 112. A pulmonary rehabilitation patient who is exercising on a treadmill complains of shortness of breath and sudden, intense central chest pain. The problems do not go away when resting. The patient's pulse is thready, and the blood pressure is lower than normal. What is the FIRST thing that the respiratory therapist should recommend? a. Arterial blood gas b. Electrocardiogram c. Serum electrolytes d. Chest radiograph 113. To calculate a dead space to tidal volume ratio (VD/VT), which of the following must be known? I. PaO2 II. PvO2 III. PaCO2 IV. PECO2 a. I, II b. III, IV c. II, IV d. II, III, IV 114. A patient should be extubated after a full inspiration to: a. Ensure CO2 removal b. Provide a large enough volume for an effective cough to remove secretions c. Avoid injuring the vocal cords d. Ensure that the lungs are full of supplemental oxygen 115. A 60-year-old patient with a diagnosis of bilateral lower-lobe pneumonia is brought to the emergency department. An assessment reveals a temperature of 38.5° C (101.3° F), a respiratory rate of 35 breaths/min, a pulse of 115 beats/min, and decreased breath sounds in both lower lobes; furthermore, she is not alert. What type of therapy should the respiratory therapist suggest? a. IS b. IPPB c. Flutter valve d. PEP 116. The following settings are used on a ventilator with a constant flow pattern. What is the calculated inspiratory: expiratory ratio? RR 30 bpm FLOW 60 L/min IT 0.5 sec FIO2 100% a. 1:1 b. 1:2 c. 1:3 d. Insufficient data to calculate answer 117. Which of the following bronchial hygiene techniques is most suitable for small infants? a. Postural drainage, percussion, vibration b. Positive airway pressure c. Aggressive suctioning with a 14 Fr catheter d. High frequency oscillation 118. Causes of weaning failure: a. RSBI > 100 b. PaCO2>40 mmHg c. RR >20 d. All of the choices 119. When using a straight blade to intubate an adult patient, the tip of the blade should be placed: a. Above the epiglottis b. Directly on the epiglottis c. In the vallecula d. Past the epiglottis at the vocal cords 120. All of the following medications are given to the patient as a management to his case. Which of the following is a bronchodilator? a. Prednisone b. Albuterol c. Pneumococcal vaccine d. Ipratropium e. Metoprolol 121. An air entertainment type mask would most likely be used on a patient suffering from which of the following disorders? a. Advanced stage emphysema b. Bronchial asthma c. Carbon monoxide poisoning d. Acute respiratory distress syndrome e. Idiopathic pulmonary fibrosis 122. The RT is administering 5L oxygen via a nasal cannula to a 70 kg patient with a normal ventilator pattern. which of the following most closely approximates this patient’s FiO2? a. 30% b. 35% c. 40% d. 45% e. 50% 123. Which of the following oxygen delivery device(s) can provide an accurate FiO2 regardless of the patient’s ventilator pattern? I. Venturi mask II. Simple face mask III. Nasal cannula IV. Nasal catheter V. Partial rebreathing mask a. I b. V c. I, V d. II, III, IV e. II, III, IV, V 124. A patient receiving 3 L/min O2 through a nasal cannula has a measured SpO2 of 93% and no clinical signs of hypoxemia. At this point, what should you recommend? a. Decreasing the flow to 2 L/min and rechecking the SpO2 b. Maintaining the therapy as is and rechecking the SpO2 on the next shift c. Increasing the flow to 4 L/min and rechecking the SpO2 d. Discontinuing the O2 therapy 125. The patient exhibits bradycardia. Which of the following is a drug to address this problem? a. Atropine b. Calcium gluconate c. Epinephrine d. Metoprolol e. Aspirin 126. Which of the following best describes the role of atropine in rapid sequence intubation? a. Decreases the heart rate b. Dilates the pupils c. Dries airway secretions d. Increases the blood pressure 127. Blood gas results for a patient receiving mechanical ventilation with an Fl02 0.60 and PEEP of 5 cm H20 are as follows: pH 7.41 PaC02 32 torr Pa02 55 torr HC03 22 mEq/L BE 2 mEq/L Which of the following may help correct the blood gas abnormality? I. II. III. IV. Increase Fl02 Increase peak flow rate Increase PEEP Sedate the patient a. III only b. I and II only c. I, II and III only d. III and IV only 128. A COPD patient has the following arterial blood gas data while breathing 2 liters/min. of oxygen from a nasal cannula. Pa02 55 torr PaC02 70 torr pH 7.30 HC03 34mEq/L B.E. 10 mEq/L The patient complains of increased shortness of breath. The physician wants to initiate ventilator support. Which of the following forms of mechanical ventilator assistance would be appropriate for the RT to recommend? a. Non-invasive positive pressure ventilation b. Nasal CPAP breathing c. Controlled positive pressure breathing d. Inverse ratio ventilation 129. A patient receiving postoperative incentive spirometry asks if this therapy will help get rid of his snoring, daytime sleepiness and morning headaches. In communicating this information to the patient’s surgeon, you would recommend which of the following? a. Lateral neck radiograph b. Arterial blood gas c. Polysomnography d. Diffusing capacity 130. A patient is receiving oxygen by a non rebreathing mask at 8 L/min. The respiratory therapist notices that the reservoir bag on the mask empties during inspiration. The therapist should immediately: a. Change the partial rebreathing mask b. Remove the mask c. Increase the flow d. Intubate the patient 131. A patient with endotracheal tube in place is receiving oxygen enrichment by a heated all purpose nebulizer. Water is collecting in the delivery hose. The respiratory therapist should: a. Reduce the oxygen flow b. Drain the tubing frequently c. Unplug the theater d. Position the tubing so that the condensate drains back into the reservoir 132. A volume ventilator is set to cycle on at a respiratory rate of 12 BPM. The I:E ratio is 1:1.5. Which of the following inspiratory and expiratory times are correct? Inspiratory Expiratory a. 1.0 seconds 2.5 seconds b. 1.5 seconds 3.0 seconds c. 2.0 seconds 3.0 seconds d. 2.5 seconds 2.5 seconds 133. At an FiO2 of 0.30 a pulse oximeter attached to the right index finger or a 6 week old neonate displays an SaO2 of 87% and a pulse of 64/min. A heart monitor reads a simultaneous heart rate of 120/min. Which of the following would be the most appropriate action? a. Suction the neonate b. Increase the FiO2 to 0.40 c. Reposition the pulse oximeter d. Ventilate the neonate with 100% 02 134. A 1 week old neonate with RDS currently receiving 10 cm H2O CPAP through nasal sprongs with an FiO2 of 0.60. Evaluation reveals intercostal and sternal retractions and an SpO2 of 88%. The neonate is breathing at a rate of 68/min. Which of the following should the respiratory therapist recommend? a. Change to mask CPAP b. Institute mechanical ventilation c. Make no changes at the present time d. Increase the CPAC level to 12cm H2O 135. A patient is receiving non-invasive positive pressure ventilation by full-face mask. Initial measurements are: IPAP 15 cm H2O EPAP 5 cm H2O Oxygen 3 L/min Measured tidal volume 460-600 mL Three hours later, the measured tidal volume is 300-400 mL with the same settings. Which of the following could explain the decreased tidal volume? a. b. c. d. 1. Inadequate oxygen flow 2. Gastric distension 3. Decreased compliance 4. Increased diuresis 1&3 1&4 2&3 2&4 136. For which of the following patients would application of noninvasive positive pressure ventilation (NPPV) likely be most difficult? a. a patient with acute exacerbation of COP b. a patient with Duchenne muscular dystrophy c. a patient with copious secretions requiring suctioning d. a patient with cardiogenic pulmonary edema 137. A patient has a corrected tidal volume of 600mL, PIP of 65cmH20, Pplat of 48cmH20 and Peep of 12cmH20. Calculate the patient’s static compliance. a. 9ml/cmH20 b. 11mL/cmH20 c. 13ml/cmH2 d. 17ml/cmH20 138. A 70 kg patient receiving mechanical ventilation has a tidal volume of 500 ml, frequency of 12, PIP of 45 and PEEP of 10. When an inspiratory hold plateau of .5 sec is activated, the static pressure is 35 cmH2O. Determine the patient’s dynamic compliance. a. 25. 3mL/ cmH20 b. 11.2 mL/cmH20 c. 8.7 mL/cmH20 d. 11. 1 mL/ cmH20 139. Moist, crepitant crackles indicate which of the following? a. Pulmonary edema b. Atelectasis c. Pleural effusion d. Asthma 140. While administering acetyl cysteine (Mucomyst) with a hand-held nebulizer, the respiratory therapist notes that the patient is developing marked congestion with copious sputum production. The therapist's most appropriate action would be to: a. Dilute the acetyl cysteine with saline. b. Terminate the therapy and clear secretions. c. Increase the dose of acetyl cysteine to help thin the secretions. d. Administer the acetyl cysteine with a positive pressure breathing machine 141. A patient recovering from abdominal surgery is having difficulty developing an effective cough. Which of the following actions would you recommend to aid this patient in generating a more effective cough? 1. Coordinating coughing with pain medication 2. Using the forced expiration technique (FET) 3. Supplying manual epigastric compression 4. “Splinting” the operative site a. 1, 2, and 3 b. 1, 2, and 4 c. 2, 3, and 4 d. 3 and 4 142. McGill forceps are used during which of the following procedures? a. Oral intubation b. Tracheotomy c. Insertion of LMA d. Nasotracheal intubation 143. This airway must be used on the unconscious patient a. LMA b. Nasopharyngeal airway c. OPA d. None of the above 144. Inspiratory stridor is the major sign of a. Tracheal malacia b. Glottic edema c. Tracheal fistula d. Esophageal intubation 145. A patient has just been intubated and the CO2 detector on the proximal end of the ET tube reads near zero. Which statement is the regarding this situation? a. The tube is in the trachea b. The tube is in the esophagus c. The tube should be withdrawn 2 cm d. The tube is in the right mainstem bronchus 146. To prevent hypoxemia during suctioning an orally intubated patient, you should do which of the following? a. press alarm silence prior to suctioning b. set vacuum pressure to 100–120 mm Hg before procedure c. administer 100% oxygen through the ventilator for 1–2 minutes before suctioning d. maintain the set FIO2 and increase PEEP prior to suctioning 147. An oropharyngeal airway is appropriate for a patient who: a. Is having seizures b. Requires manual ventilation c. Is conscious and alert d. Is heavily sedated least 148. When checking a nondisposable steel laryngoscope blade prior to intubation, you note that the bulb does not light when connected to the handle. Your first step should be to a. Recheck the handle/ blade connection b. Replace the blade c. Replace the batteries d. Replace/ check the bulb 149. What is the most negative pressure that should supply the suction catheter when suctioning an adult? a. -60 mmHg b. -80 mmHg c. -120 mmHg d. -160 mmHg 150. After intubation, you determine a right mainstem intubation. The next appropriate action to take is to: a. Continue to ventilate the patient b. Deflate the cuff and withdraw the tube 1 to 2 cm c. Inflate the cuff with an additional 3 to 5 mL of air d. Remove the tube