Emergency physician file MCQ pretest 1 Emergency physicians anesthesia workshop Anesthesia department at King Khalid University Hospital Pretest questions Read every question’s stem and select the most appropriate choice from the items which follow it. 1. Intubation with an endotracheal tube: 1. 2. 3. 4. allows adjunctive ventilatory equipment to be used more effectively with less effort on the part of the rescuer reduces the risk of aspiration of gastric contents is the immediate priority in ventricular fibrillation when improperly performed can result in only one lung being inflated a. b. c. d. e. 1, 2, 4 1, 2, 3 2, 3, 4 all of the above none of the above 2. You have intubated a 60-year old female patient in cardiac arrest. Which of the following would indicate inadvertent esophageal intubation? a. b. c. d. e. subcutaneous emphysema external jugular vein distention gurgling sounds heard over the epigastrium breath sounds present on only one side of the chest Bilateral expansion of the chest 3. Which of the following is an indication for endotracheal intubation? a. Difficulty of qualified rescuers to ventilate an apneic patient with a bag-valve mask b. A respiratory rate of less than 20 breaths per minute in a patient with severe chest pain c. Presence of premature ventricular contractions (PVCs) d. For airway protection in a conscious patient severely traumatized with an adequate gag reflex e. Transporting trauma patient to another hospital Emergency physician file MCQ pretest 2 4. You are preparing to perform endotracheal suction on an intubated patient. Which of the following statements about suctioning is correct? a. Each suction attempt should be limited to 30 to 45 seconds b. Each suction attempt should be preceded by increased ventilation with supplemental oxygen c. Suction should be applied as the catheter is inserted into the endotracheal tube d. If arrhythmias are present, avoid ventilating the patient manually e. Allow the patient to get oxygenation in case of arrhythmia by ventilating his lungs with oxygen enriched air. 5. You are providing hand ventilation with a bag-valve mask for a patient with no spontaneous ventilation. You are explaining the use of bag-valve-mask ventilation to a group of new nurses and residents who are observing your technique. Which of the following statements would most accurately describe the use of bag-valve-mask ventilation during resuscitation? a. It can be performed effectively with minimal training and practice b. It will deliver nearly 100% oxygen if reservoir and high oxygen flow rate are used c. It cannot be performed effectively by one person during resuscitation d. It should be avoided if the patient has any spontaneous respiratory effort e. Only expert in its use should handle it 6. An oropharyngeal airway: a. b. c. d. e. eliminates the need for head positioning of the unconscious patient eliminates the possibility of complete upper airway obstruction is of no value once an endotracheal tube is placed may stimulate vomiting or laryngospasm in the semi-conscious patient Protect the lungs from aspiration 7. Which of the following indices indicates severe blood loss: a. b. c. d. e. Estimated loss of 20% of the blood volume CVP readings of –5 cm H2O Systolic blood pressure below 80 mmHg Restless patient Cold and pale skin Emergency physician file MCQ pretest 8. Propofol; a. b. c. d. e. is metabolized in the plasma is painless on injection is composed of two steroids inhibits synthesis of adrenaline cortical hormones can be given safely in renal failure patient 9. Which of the following is true regarding Thiopentone: a. b. c. d. e. It increases the cerebral oxygen consumption It increases ischemic damage in head injury patient It increases cerebral vascular tone It increases cerebral blood flow in mechanically ventilated patient It increases the convulsion threshold of the brain A young strong male was involved in road traffic accident. In the emergency room Indrowing of the chest wall during inspiration, cyanosis,he had rapid shallow breathing, inward movement hypotension. 10. What is the proper diagnosis ? a. b. c. d. e. Ruptured stomach Cardiac tamponade Barotraumas to the lung Flail chest Hemopneumothorax 11. What should be the immediate step a. b. c. d. e. Chest CT-Scan Chest drain placed in the second intercostals space Intubation of the trachea Nasogastric tube insertion Peritoneal lavage 3 Emergency physician file MCQ pretest 12. If after responding to emergency doctor request of intubation and ventilation the cyanosis increased and reduction in blood pressure persists. How it would be the cause of this clinical picture? a. b. c. d. e. Ruptured major artery Aspiration asphyxia Acute lung injury Tension pneumothorax Electromechanical dissociation 13. The anesthetic technique of choice for rapid sequence intubation is: a. b. c. d. e. Propofol: Atracurium infusion Thiopentone: Suxamethonium Fentanyl suxamethonium Awake intubation Ketamine: Cisatracurium block 14. All of the following statements regarding midazolam are true, EXCEPT: a. b. c. d. e. water soluble benzodiazepines possess anti anxiety effects It possesses amnesic effect It has analgesic effect It has anticonvulsant effect 15. All of the following statements regarding atracurium, are true EXCEPT: a. b. c. d. e. It undergoes spontaneous metabolism by Hofmann elimination It undergoes metabolism by ester hydrolisis It undergoes some hepatic metabolism It is contraindicated in liver dysfunction It can be used in renal failure 16. All of the following statements regarding suxamethonium are true EXCEPT: a. b. c. d. e. It undergoes spontaneous metabolism by the kidneys IT undergoes metabolism by liver ester hydrolysis It is non depolarizing agent It should be avoided in young patient It Can quickly produce muscle relaxation for intubation 4 Emergency physician file MCQ pretest 17. Which of the following agent is suitable to be used in patient suffering from hemorrhagic shock: a. b. c. d. e. Thiopentone Ketamine Midazolam Diazepam Propofol 18. Thiopentone is used in rapid sequence intubation because: a. b. c. d. e. It produce muscle relaxation. It quickly produce unconsciousness It is suitable in internal bleeding trauma patient It gives degree of sedation which facilitate intubation |It prevents vomiting 19. All the following agents are in emergency EXCEPT a. b. c. d. e. midazolam propofol sevoflurane ketamine Thiopental 20. Which of the following statements concerning fentanyl is true? a. b. c. d. e. It is a muscle relaxant for rapid sequence intubation It has an analgesic potency approximately 100 times that of morphine. It is a benzodiazepine derivative. It is associated with local infiltration. It causes tacypnea in clinical doses. 5