Dosage Calculations Practice Exam

ID Question Text Answer Key 1. Questions 1. 1. A client with cardiogenic shock weighs 220 lb and is receiving dopamine at the rate of 3 mcg/kg/minute. The solution strength available is dopamine 400 mg in 250 ml of D5W. The nurse should set the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest tenth.) Correct Responses 1. 11.3 2. 2. A client with hypertension who weighs 72.4 kg is receiving an infusion of nitroprusside (Nipride) 50 mg in D5W 250 ml at 75 ml/hour. How many mcg/kg/minute is the client receiving? (Enter numeric value only. If rounding is required, round to the nearest tenth.) Correct Responses 1. 3.5 3. 3. A client who weighs 70 kg is receiving a dopamine solution of 800 mg/500 ml normal saline at 5 ml/hour. How many mcg/kg/minute is the client receiving? (Enter the numeric value only. If rounding is required, round to the nearest tenth.) Correct Responses 1. 1.9 4. 4. A client is receiving an IV solution of sodium chloride 0.9% (Normal Saline) 250 ml with amiodarone (Cordarone) 1 gram at 17 ml/hour. How many mg/minute of amiodarone is infusing? (Enter numeric value only. If rounding is required, round to the nearest tenth.) Correct Responses 1. 1.1 1/12 5. 5. A client who weights 176 pounds is receiving an IV infusion with esmolol hydrochloride (Brevibloc) at 48 ml/hour. The IV solution is labeled with the concentration of Brevibloc 10 mg/ml. How many mcg/kg/minute is the client receiving? (Enter numeric value only.) Correct Responses 1. 100 6. 6. The nurse is preparing the change-of-shift report for a client who has a 265 ml secondary infusion that was started 2 hours ago at a rate of 85 ml/hour via an infusion pump. The nurse should report that how many ml remain to be infused by the on-coming nurse? (Enter numeric value only.) Correct Responses 1. 95 7. 7. A male client receives a prescription for ondansetron hydrochloride (Zofran) 4 mg IV to prevent postoperative nausea after an inguinal hernia repair. The medication is available in 2 mg/ml. How many ml should the nurse administer? (Enter numeric value only). Correct Responses 1. 2 8. 8. A client with a gastrostomy tube (GT) receives a prescription for a 250 ml bolus feeding of Glucerna 60% enteral formula. The nurse should dilute the full-strength formula with how many ml of water? (Enter numeric value only). Correct Responses 1. 100 9. 9. The nurse is preparing to administer Hepatitis B Vaccine, Recombinant (Energix-B) 5 mcg IM to a school-aged child. The vaccine is labeled, 10 mcg/ml. How many ml should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth). 2/12 Correct Responses 1. 0.5 10.10. A client's daily PO prescription for aripiprazole (Abilify) is increased from 15 mg to 30 mg. The medication is available in 15 mg tablets, and the client already received one tablet today. How many additional tablets should the nurse administer so the client receives the total newly prescribed dose for the day? (Enter numeric value only.) Correct Responses 1. 1 11.11. At the end of the shift, the nurse is recording the fluid balance for a client receiving a continuous gastrostomy tube (GT) feeding. Based on the client's records, how many ml should the nurse record for the total fluid balance (intake - output) for the shift that started at 0700 and ended at 1900? (Enter numeric value only.) (Click on each chart tab for additional information. Please be sure to scroll to the bottom right corner of each tab to view all information contained in the client's medical record.) Correct Responses 1. 695 12.12. The nurse is administering a 250 milliliter (ml) intravenous solution to be infused over 2 hours. How many ml/hour should the nurse program the infusion pump? (Enter numeric value only.) Correct Responses 1. 125 13.13. The nurse is preparing to administer 0.25 mg of bumetanide (Bumex) IV. The medication is available in a vial labeled "1 mg/4 ml." How many ml of medication should the nurse administer? (Enter numeric value only.) Correct Responses 1. 1 3/12 14.14. A client with hypertension receives a prescription for carteolol (Cartel) 7.5mg PO daily. The drug is available in 2.5 mg tablets. How many tablets should the nurse administer? (Enter numeric value only.) Correct Responses 1. 3 15.15. The healthcare provider prescribes trimethoprim-sulfamethoxazole (Bactrim-DS Oral Suspension) 120 mg BID for a child with bronchitis. The Bactrim bottle is labeled "200 mg/5ml." How many ml should the nurse administer at each dose? (Enter the numeric value only.) Correct Responses 1. 3 16.16. A 180-pound adult male is admitted to the Emergency Center after receiving thermal burns to 60 percent of his body. Using the Parkland formula of 4 ml/kg/24 hours, the client should receive how many ml of fluid during the first 24 hours? (Enter the numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 19632 17.17. The healthcare provider prescribes acetazolamide (Diamox) 600 mg/m2/day divided into 3 doses. The nurse calculates the child's body surface area (BSA) as 0.7 m2. How many mg should the child receive per dose? (Enter the numeric value only.) Correct Responses 1. 140 18.18. A loading dose of acetylcysteine (Mucomyst) 8 grams, which is available as a 20% solution (200 mg acetylcysteine per ml) is prescribed by nasogastric tube for a client with acetaminophen toxicity. How many ml of diluent should be added to the medication to obtain a 1:4 concentration? (Enter the numerical value only. If 4/12 rounding is required, round to the whole number.) Correct Responses 1. 120 19.19. A child who weighs 55 pounds receives a prescription for atovaquone with proguanil (Malarone Pediatric) 125 mg/50 mg PO daily. A drug reference states that children 11 to 20 kg should receive 1 pediatric tablet daily; 21 to 30 kg should receive 2 pediatric tablets daily; 31 to 40 kg should receive 3 pediatric tablets daily; and greater than 40 kg should receive 1 adult tablet daily with food. The drug is available as atovaquone 62.5 mg/proguanil 25 mg pediatric tablets. How many tablets should the nurse administer? Correct Responses 1. 2 20.20. A client receives a prescription for azithromycin (Zithromax) 500 mg PO x 3 days. Azithromycin is available as 250 mg scored tablets. How many tablets should the nurse administer per dose? (Enter the numerical value only.) Correct Responses 1. 2 21.21. A child who is scheduled for a kidney transplant receives a prescription for basiliximab (Simulect) 20 mg IV 2 hours prior to surgery. The medication is available in a 20 mg vial that is reconstituted by adding 5 ml sterile water for injection, and administered in a 50 ml bag of normal saline over 30 minutes. The nurse should program the infusion pump to deliver how many ml/hour? (Enter the numeric value only.) Correct Responses 1. 110 22.22. The nurse notes that a client is receiving an oxytocin (Pitocin) infusion via a pump that is programmed to deliver 30 ml/hour. The available solution is Ringer's Lactated 1,000 ml with Pitocin 20 units. How many milliunits/minute is the client receiving? (Enter numeric 5/12 value only.) Correct Responses 1. 10 23.23. A client is receiving Heparin Sodium 25,000 Units in 5% Dextrose Injection 500 ml IV at 1,000 unit/hour per protocol for acute coronary syndrome (ACS). The client's partial thromboplastin time (PTT) is 76 seconds. Based on the ACS protocol, the infusion should be decreased by 100 units/hour for a PTT between 71 to 80 seconds. The nurse should program the pump to deliver how many ml/hour? (Enter numeric value only.) Correct Responses 1. 18 24.24. The healthcare provider prescribes oxytocin (Pitocin) 0.5 milliunits/minute for a client in labor. One liter Ringer's Lactate with 10 units of oxytocin (Pitocin) is infusing. The nurse should program the infusion pump at how many ml/hour? (Enter numeric value only.) Correct Responses 1. 3 25.25. Docusate sodium (Colace) 0.3 grams is prescribed for a client who has frequent constipation. Each capsule contains 100 mg. How many capsules should the nurse administer? Correct Responses 1. 3 26.26. A client who has a sinus infection is receiving a prescription for amoxicillin/clavulanate potassium (Augmentin) 500 mg PO q8 hours. The available form is 250 mg amoxicillin/125mg clavulanate tablets. How many tablets should the nurse administer for each dose? (Enter numeric value only.) Correct Responses 1. 2 6/12 27.27. The healthcare provider prescribes acetaminophen elixir (Tylenol elixir) 600 mg PO q6 hours for an adult client experiencing pain associated with maxillofacial surgery. The bottle is labeled 500 mg/15 ml. How many ml should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 18 28.28. A client who has AIDS is receiving octreotide (Sandostatin) 1,200 mcg by subcutaneous injection every day for symptoms of diarrhea. Octreotide is available for injection in 1 mg/ml vials. How many ml should the nurse administer? (Enter the numeric value only. If rounding is required, round to the nearest tenth.) Correct Responses 1. 1.2 29.29. A client is receiving dantrolene sodium (Dantrium) PO for malignant hyperthermia. The maximum safe dose is 8 mg/kg/day in 4 divided doses. The client currently weighs 48.5kg. What is the maximum safe dose the nurse should administer? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 97 30.30. A child with a urinary tract infection is receiving Cephalexin (Keflex) 100 mg suspension PO QID. Keflex oral suspension is labeled "125 mg in 5 ml." How many ml should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 4 31.31. The healthcare provider prescribes a continuous intravenous infusion of dextrose 5% and 0.45% sodium chloride witth KCl 20 mEq/1000 ml to be delivered over 8 hours. The nurse should program the infusion 7/12 pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 125 32.32. A client receives a prescription for an intravenous infusion 0.45% sodium chloride 500 ml to be infused over 6 hours. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 83 33.33. A client returns to the nursing unit from surgery with a prescription for Lactated Ringer's solution 1,000 ml to be infused over 10 hours. The IV administration set delivers 60 gtts/ml. The nurse should regulate the infusion to deliver how many gtts/minute? Correct Responses 1. 100 34.34. An IV infusion of dextrose 5% in normal saline with oxytocin (Pitocin) 20 units in 1,000 ml is prescibed for a client to control postpartum bleeding. The solution is to be administered at a rate of 2 mu/minute. The nurse should program the infusion pump to administer how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 6 35.35. The healthcare provider prescribes a IV solution of 5% dextrose in water with magnesium sulfate 4 gram/50 mI to be infused over 30 minutes for a client with preeclampsia. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 8/12 1. 100 36.36. A client who has a gastrostomy feeding tube is receiving 3/4 strength Ensure 240 ml every 6 hours. Full strength Ensure is available in a 240 ml can. The nurse should use how many ml of Ensure to prepare the feeding? (Enter numeric value only. If needed, round to the nearest whole number.) Correct Responses 1. 180 37.37. 11 0.9% normal saline with inamrinone (Inocor) 0.1 grams/100 ml is prescribed for client with heart failure. The medication is to be delivered at a rate of 400 mcg/minute. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 24 38.38. A client experiencing cardiogenic shock receives a prescription for an IV infusion of 0.9% normal saline with milrinone (Primacor) 10 mg in 100 ml at a rate of 46 mcg/minute. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 28 39.39. A client with septic shock receives a prescription for dextrose 5% in water with dopamine (Intropin) 0.6 grams/250 ml at a rate of 5 mcg/kg/minute. The client's weight is 148 lbs. The nurse should set the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 8 40.40. 9/12 A client with type 2 diabetes is receiving metformin (Glucophage) 1 gram PO twice daily. The medication is available in 500 mg tablets. How many tablets should the nurse administer? (Enter numeric value only.) Correct Responses 1. 2 41.41. A client with Mycobacterium avium complex (MAC) is receiving an infusion of 5 % dextrose in water with amikacin (Amikin) 0.572 grams/100 ml every 12 hours. The nurse prepares the dose of amikacin using a vial labeled, "250 mg/ml." How many ml should the nurse add to the infusion? (Enter numeric value only. If rounding is required, round to the nearest tenth.) Correct Responses 1. 2.3 42.42. A client with pericardial effusion has phrenic nerve compression resulting in recurrent hiccups. The healthcare provider prescribes metoclopramide (Reglan) liquid 10 mg PO q 6 hours. Reglan is available as 5 mg/5 ml. A measuring device marked in teaspoons is being used. How many teaspoons should the nurse administer? Correct Responses 1. 2 43.43. A client is receiving alprazolam (Xanax) 0.75 mg PO bid for anxiety. Alprazolam is available in 0.5 mg scored tablets. How many tablets should the nurse administer? (Enter numeric value only.) Correct Responses 1. 1.5 44.44. A client with multiple sclerosis is prescribed Dantrolene (Dantrium) 0.1 grams PO bid for spasticity. Dantrolene is available in 100 mg capsules. How many capsules should the nurse administer? (Enter numeric value only.) Correct Responses 10/12 1. 1 45.45. A client has a prescription for inamrinone (Inocor) 0.75 mg/kg IV bolus to be delivered over 3 minutes. The client weighs 80 kg. Inamrinone is available for injection 100 mg/20 ml. How many ml of inamrinone should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 12 46.46. A client who had mitral valve replacement surgery receives a prescription for dextrose 5% in water with 0.5 grams of dobutamine in 250 ml for IV infusion at a rate of 5 mcg/kg/minute. The client weighs 75 kg. The nurse should program the infusion pump to deliver how many ml/hr? (Enter numeric value only. If rounding is required, round to the nearest tenth.) Correct Responses: "11.3" 47.47. A healthcare provider prescribes a continuous infusion of 0.9% sodium chloride with pancuronium (Pavulon) 25 mg/250 ml at a rate of 0.1 mg/kg/hr for a client with coronary artery bypass grafting. The client weighs 78 kg. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 78 48.48. A client scheduled for surgery is to receive an IV infusion of 0.9% sodium chloride with prochlorperazine edisylate (Compazine) 10 mg/50 ml over 30 minutes. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only.) Correct Responses 1. 100 49.49. The healthcare provider prescribes an IV infusion of 0.9% sodium chloride with 40 mEq KCl/500 ml to infuse over 3 hours for a client 11/12 with hypokalemia. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 167 50.50. The healthcare provider prescribes a continuous infusion of 5% dextrose in 0.45% sodium chloride at 85 ml/hour. The IV administration set delivers 10 gtt/ml. The nurse should regulate the drop rate to deliver how many gtts/minute? (Enter numeric value only. If rounding is required, round to the nearest whole number.) Correct Responses 1. 14 12/12