Ch 3: Dosage Calculation
A nurse is preparing to administer heparin 15,000 units subcutaneously every 12 hr. The amount available is heparin injection 20,000 units/mL. How many mL should the nurse administer per dose? Round to the nearest tenth.
Answer: 0.8 mL
A nurse is preparing to administer furosemide 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.
Answer: 10 mL
A nurse is preparing to administer dextrose 5% in water (DSW) 750 mL IV to infuse over 6 hr. The nurse should set the IV pump to deliver how many mL/hr? Round to the nearest whole number.
Answer: 125 mL/hr
A nurse is preparing to administer haloperidol 2 mg PO every 12 hr. The amount available is haloperidol 1 mg/tablet. How many tablets should the nurse administer? Round to the nearest whole number.
Answer: 2 tab
A nurse is preparing to administer clindamycin 200 mg by intermittent IV bolus. The amount available is clindamycin injection 200 mg in 100 mL 0.9% sodium chloride (0.9% NaCl) to infuse over 30 min. The nurse should set the IV pump to deliver how many mL/hr. Round to the nearest whole number.
Answer: 200 mL/hr
A nurse is preparing to administer cefotaxime 1 g by intermittent IV bolus. The amount available is cefotaxime 1 g in dextrose %5 in water (DSW) 100 mL to infuse over 45 min. The drop factor shown on the package of IV tubing is 10 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? Round to the nearest whole number.
Answer: 22 gtt/min
A nurse is preparing to administer amoxicillin 20 mg/kg/day PO divided in equal doses every 12 hr to a preschool child who weighs 44 lb. 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.
Answer: 4 mL
A nurse is preparing to administer acetaminophen 650 mg PO every 6 hr PRN for pain. The amount available is acetaminophen liquid 500 mg/5 mL. How many mL should the nurse administer per dose? Round to the nearest tenth.
Answer: 6.5 mL
