NURS 100 Med Math Exam Latest Questions And Correct Answers

NURS 100 Med Math Exam Latest Questions And Correct Answers 1. A nurse is preparing to administer haloperidol (Haldol) 2 mg PO q12h. The amount available is haloperidol 1 mg/tablet. How many tablets should the nurse administer? (Round to nearest whole number) 2 mg X 1 tab = 2 tablets 1 mg 2.A nurse is preparing to administer furosemide (Lasix) 80 mg PO Daily. The amount available is furosemide oral solution 40 mg/5 mL. How many mL should the nurse administer? (Round to the nearest whole number). 80 mg X 5 mL = 10 mL 40 mg 3. The label reads heparin 20,000 units/mL. The order is for heparin 15,000 units q8h SQ. How many milliliters will the nurse administer to the patient? (Round to the nearest tenth). 15,000 units X 1 mL = 0.75 mL = 0.8 mL 20,000 units 4. A nurse is preparing to administer amoxicillin (Amoxil) 20 mg/kg/day PO divided in equal doses q12h to a preschool child who weighs 44 lbs. The amount available is amoxicillin suspension 250 mg/5 mL. How many mL should the nurse administer per dose? (Round to the nearest whole number). 44 lbs = 20 kg 20 mg X 20 kg per day = 400 mg/day 2.2 lbs 400 mg = 200 mg/dose 200 mg X 5 mL = 4 mL 2 250 mg 5. A nurse is preparing to administer phenytoin (Dilantin) 0.2 g PO every 8 hr. The amount available is phenytoin 100 mg/capsule. How many capsules should the nurse administer per dose? (Round to nearest whole number) 0.2 g X 1000 mg X 1 cap = 2 cap 1 g 100 mg 6. The physician orders digoxin (Lanoxin) 250 mcg PO TID. The medication digoxin is available in 0.25 mg/tablet. How many tablets should the nurse administer? 250 mcg X 1 mg X 1 tab = 1 tab 1000 mcg 0.25 mg 7.The label reads heparin 10,000 units/mL. The order is for heparin 5,000 units q8h. How many milliliters will you administer to the patient? 5,000 units X 1 mL = 0.5 mL 10,000 units 8. The nurse receives a telephone prescription from a provider. The provider states “administer three-tenths of a milligram of nitroglycerin orally to the client.” How should the nurse transcribe the number, “threetenths of a milligram” on the MAR? 3 = 0.3 mg 10 9. A nurse is preparing to administer amoxicillin 50 mg PO q8h to a toddler who weighs 20 kg. The recommended dosage range is 20 to 25 mg/kg/day. Which of the following actions by the nurse is appropriate? 20 mg X 20 kg = 400 mg/day 25 mg X 20 kg = 500 mg/day 50 mg q8h = 150 mg/day d. Below the range, contact Provider 10. The nurse is preparing to administer furosemide (Lasix). The order is for furosemide (Lasix) 2 mg IVP q8h. The label reads 10 mg/mL. How many mL should the nurse administer? 2 mg X 1 mL_ = 0.2 mL 10 mg 11. The doctor orders 30 mg of furosemide (Lasix) IV STAT. The label on the vial is 10 mg/mL. How many mL should the nurse administer? 30 mg X 1 mL_ =