SUNY ORANGE DEPARTMENT of NURSING Advanced Clinical Calculations Name: _____________________________ ADVANCED CLINICAL CALC PRACTICE DIRECTIONS: Solve the following calculation problems and place your answers on the space provided. All tablets are scored. All syringe sizes are available. Decimal IV pumps are available. Round to the “appropriate level of significance”. SHOW THE EQUATIONS ON YOUR ANSWER SHEET. 1. Folic acid (Vitamin B9) 0.5 mg was ordered. You have Folic acid 200 mcg tablets. How many tablets will you give? ________ tab(s) 2. Heparin 500 units per hour IV has been ordered. You have premixed heparin labeled 25,000 units in 250 mL. At what rate will you set the IV? ________ mL/hr 3. An order was written for Pronestyl (procainamide) 15 mg/kg/day in 3 divided doses. The patient’s weight is 87 kg. How many milligrams will the patient receive every day? ________ mg/day 4. In the ER from 1600 to 1800, a patient vomited 30 mL, received 1 unit (300 mL) packed cells plus 50 mL NS flush. He was able to tolerate 1 Tsp ginger ale. 1 hour after admission, he voided 250 mL. How many milliliters would be entered as OUTPUT on the I&O record during this time period? ________ mL 5. Intravenous Intropin (dopamine) 3 mcg/kg/min has been ordered for a patient weighing 64.8 kg. Intropin 250 mg/150 mL NS is available. At what rate will you set the IV? ________ mL/hr -26. For a patient weighing 184 lbs, the doctor has ordered IV nitroprusside @ 1.5 mcg/kg/minute. The pharmacy sends Nitroprusside 50 mg in 250 mL D5W. At what rate will you set the IV to run? ________ mL/hr 7. An order has been written for Ancef (cefazolin) IV 500 mg to run in 1 ½ hrs. You have Ancef labeled 500 mg/250 mL. At what rate will you set the IV to run? (drop factor = 20 drops/mL) ________ drops/min 8. Vancomycin 5 mg /kg/day in 3 divided doses is ordered for a patient weighing 99 lbs. How many milligrams will the patient receive in each dose? __________ mg/dose 9. Dobutamide 4 mcg/kg/min IV has been ordered for a patient weighing 56.3 kg. You have Dobutamide 250 mg/250 mL NS. At what rate will you run the IV? __________ mL/hr 10. Zyvox (linezolid) 420 mg IVPB q12h has been ordered. You have a vial of Zyvox 500 mg in powdered form. The instructions read: Reconstitute with 4.8 mL sterile water to yield 500 mg/5 mL. How many milliliters will you withdraw to insert into the IVPB bag? ________ mL . -311. For a patient with supraventricular tachycardia, Esmolol 150 mcg/kg/min has been ordered. The premixed solution is labeled Esmolol 2500 mg/250 mL. For a patient who weighs 77 kg, what rate would you set the IV? ________ mL/hr 12. The doctor ordered heparin at 10 units/kg/hr for a patient weighing 146 lbs. You have premixed heparin 25,000 units/250 mL. At what rate will you set the IV? ________ mL/hr 13. The patient weighs 132 lb. She is receiving Arixtra (fondaparinux) 10 mg/kg q 8 h. How many milligrams does she receive in each dose? ________ mg/dose 14. A patient is to receive IV D5W 500 mL in 4 hours. At what rate will you set the infusion to run?( drop factor = 20 drops/mL) ________ drops/min 15. From 0700 until 1100, a patient with stage 4 CKD receives 8 oz Suplena by GT and TPN @ 20 mL/hr via a central line. For this 4 hour period of time, how many milliliters will be entered as Intake? ________ mL -416. Dopamine 5 mcg/kg/min has been ordered for a patient weighing 189 lbs. Premixed dopamine is available: 400 mg/250 mL. At what rate will you set the IV to run? ________ mL/hr 17. IVPB Dexamethasone 80 mg to run in 30 minutes and repeat q 2 h has been ordered. The pharmacy provides premixed Dexamethasone in 100 mL D5W. At what rate will this IVPB be set to run? (Drop factor is 15 drops/mL) ________ drops/min 18. A recovering post-craniotomy patient consumed the following from 1400 to 1500: 2 ½ oz lemon sherbet, 6 Tbsp Jello and 4 tsp tea. How many milliliters will you enter on the I&O? ________ mL 19. Ceclor (cefaclor) suspension 150 mg po BID was ordered. You have Ceclor suspension 375 mg/5 mL How many milliliters will you give? ________ mL 20. Ringers Lactate 725 mL IV q12h has been ordered. At what rate should this be set to run? ________ mL/hr Answer Key: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 2.5 tabs 5 mL/hr 1305 mg/dose 280 mL 7 mL/hr 37.6 mL/hr 56 drops/min 75 mg/day 13.5 mL/hr 4.2 mL 69.3 mL/hr 6.6 mL/hr 600 mg/day 42 drops/min 320 mL 16.1 mL/hr 50 drops/min 185 mL 2 mL 60.4 mL/hr