Oral Medications Dosage Calculations Practice Quiz (40 QUESTIONS AND ANSWERS)

1. 1. Question A health care provider orders acetaminophen (Tylenol) supp 1 g pr q 6 hr prn temp 101. Available: Tylenol supp. 325 mg (scored). How many supp. will you administer? Fill in the blank. Record your answer to the nearest whole number. 2. 2. Question A nurse practitioner prescribes clindamycin (Cleocin) Oral Susp 600 mg po qid; Directions for mixing: Add 100 mL of water and shake vigorously. Each 2.5 mL will contain 100 mg of Cleocin. How many tsp of Cleocin will you administer? Fill in the blanks. Record your answer to the nearest whole number. 3. 3. Question A health care provider ordered sulfasalazine (Azulfidine) Oral Susp 500 mg q 6 hr; Directions for mixing: Add 125 mL of water and shake well. Each tbsp will yield 1.5 g of sulfasalazine. How many mL will you give? Fill in the blanks. 4. 4. Question A health care provider prescribes potassium chloride (Klotrix) 0.35 mEq/ lb po dissolved in 6 oz of oj at 8 am; Available: Klotrix 8 mEq/mL. How many mL of Klotrix will you add to the oj for a 20.5 Kg patient? Fill in the blanks. 5. 5. Question A health care provider orders megestrol (Megace) Oral Suspension 160 mg po bid; Directions for mixing: Add 100 mL of water and shake vigorously. Each 0.5 mL will contain 10.7 mg of Megace. How many tbsp of Megace will you administer? Fill in the blanks. Record your answer using one decimal place. 6. 6. Question A health care provider prescribes hydroxyzine (Vistaril) Oral Susp 10 mg q 4 hr prn anxiety; Directions for mixing: Add 125 mL of water and shake well. Each tsp will yield 15 mg of Vistaril. How many mL will you give? Fill in the blanks. Record your answer using one decimal place. o A 7. 7. Question A health care provider prescribes ondansetron (Zofran) 8 mg p.o. t.i.d.; Available: Zofran in a 100 ml bottle labeled 4 mg/tsp.; How many ml will the nurse administer for each dose? Fill in the blanks. 8. 8. Question A health care provider orders cefaclor (Ceclor) 45 mg/kg/day p.o. in 3 divided doses for a patient who weighs 66 pounds. A 75 ml stock medication is labeled Ceclor 125 mg/ml. How many ml would the nurse administer per dose? Fill in the blanks. Record your answer using one decimal place. o 9. 9. Question You are providing home care for a patient who needs 15 mL of magnesium hydroxide/aluminum hydroxide (Maalox) PO. She has only standard measuring spoons in the house. How many tablespoon(s) do you instruct her to take her dose? Fill in the blanks. Record your answer to the nearest whole number. 10. 10. Question You have on hand ergocalciferol (Calciferol) liquid 8000 units/2 mL. Your order reads ergocalciferol 225,000 units PO daily. How many ml should you prepare the correct dose? Fill in the blanks. Record your answer to the nearest whole number. 11. 11. Question Amoxil (amoxicillin) suspension 180 mg PO bid is ordered for a patient who cannot swallow pills. It is supplied as 125 mg/5 mL. How many milliliters should you administer? Fill in the blanks. Record your answer using one decimal place. 12. 12. Question You have an order for phenobarbital (Luminal) 50 mg PO at bedtime. It is supplied as phenobarbital elixir 20 mg/5 mL. How much in mL will you administer? Fill in the blanks. Record your answer using one decimal place. 13. 13. Question You are caring for your ill grandmother at home. She has an order for magnesium hydroxide/aluminum hydroxide (Maalox) 10 mL PO prn stomach upset. How do you instruct her to measure her dose in tsp using household measuring spoons? Fill in the blanks. 14. 14. Question You need to administer 400 mg of erythromycin (Erythrocin) PO. You have on hand a suspension of 125 mg/5 mL. How many ml will you prepare? Fill in the blanks. 15. 15. Question Your patient has a headache but has difficulty swallowing pills. The physician orders acetaminophen (Tylenol) 1000 mg PO every 4 to 6 hours prn. You have acetaminophen elixir 160 mg in 5 mL. How much will you administer? Fill in the blanks. Record your answer using two decimal place. 16. 16. Question A patient is instructed to take acetaminophen (Tylenol) liquid (elixir) 650 mg qid. The elixir is 160 mg/5 mL. How many milliliters per dose should the patient take? Fill in the blanks. 17. 17. Question A patient is placed on methadone (Methadose) maintenance therapy of 15 mg/day PO. It is supplied as 10 mg in 5 mL oral solution. How many milliliters should you instruct the patient to take? Fill in the blanks. Record your answer using one decimal place. 18. 18. Question A homebound patient must take 400,000 units of nystatin PO every 4 hours, to swish in the mouth, and then swallow. It is available as 100,000 units/5 mL. The patient has only household measuring spoons. How should the patient be instructed to take the dose? Fill in the blanks. 19. 19. Question A health care provider prescribes ceftazidime (Fortaz) mg/kg/day p.o. 50 mg/kg p.o. t.i.d. to a child who weighs 25.5 kg. Fortaz is available in an oral suspension labeled 100 mg/ml. How many ml would the nurse administer per dose? Fill in the blanks. Record your answer using one decimal place. 20. 20. Question A nurse was instructed by a physician to give clarithromycin (Biaxin) for a child whose BSA is 0.55 m2. The usual adult dose is 500 mg. Biaxin is available in an oral suspension. The 100ml bottle is labeled 50 mg/ml. How many ml would the nurse give per dose? Fill in the blanks. Record your answer using one decimal place.