DA Dosage Calculation Practice Test
A patient with diabetes has an order for regular insulin IV at 9 U/hr. The concentration is
insulin 500 U in 500 mL of 0.9% NS. How many mL/hr should the IV pump be
programmed for? Answer: ________________________. - ANSWER-9 mL/hr
An IV with 10,000 U of heparin in 500 mL is infusing at 20 gtt/min using a 20 gtt/mL
infusion set. Calculate the u/hr. Answer: _____________________. - ANSWER-1200
U/hr
Prescribed is 0.15 mg of levothyroxine sodium to be administered by mouth every
morning. The pharmacy sends levothyroxine sodium 150 mcg tablets. The nurse should
administer _______________ tablets per dose. - ANSWER-1 tablet
Prescribed is 1 L of D5NS to infuse over 4 hours. The hourly rate is: ______________. -
ANSWER-250mL/hr
Prescribed is 100 mL of NS to infuse over 15 minutes. The drip factor is 15 gtt/mL. The
nurse would infuse: _________________gtt/min. - ANSWER-100gtt/min
Prescribed is 250 mL of Vancomycin 500 mg to infuse over 90 minutes. The hourly rate
is: ______________________. - ANSWER-166.7mL/hr
Prescribed is 300 mL of Lactated Ringer's to infuse over 3 hours. The drip factor is 10
gtt/mL. The nurse would infuse: _______________________ gtt/min. - ANSWER-
17gtts/min
Prescribed is 500 mL bolus of 0.9% NS to infuse IV at 200 mL/hr. How long will this
infusion last? - ANSWER-2.5hr
Prescribed is 600 mg of acyclovir by mouth every 4 hours. On hand are tablets labeled
acyclovir 200 mg. The nurse should administer ___________ tablets per day. -
ANSWER-3 tablets x 6= 18 tablets per day
Prescribed is 70 mL of D5W to infuse over 2 hours. The drip factor is 20 gtt/mL. The
nurse would infuse: ________________________ gtt/min. - ANSWER-12gtt/min
Prescribed is amphotericin B 15 mg IV. A vial containing 50 mg of amphotericin B
powder has instructions to reconstitute with 10 mL of diluent. How many milliliters would
contain the prescribed amount? _________________ mL. - ANSWER-3mL
Prescribed is cefaclor 750 mg by mouth each day for 10 days. The pharmacy fills the
prescription with cefaclor 187 mg/5 mL suspension. The mother should be instructed to
administer _______________ mL per dose. - ANSWER-20.1 mL/dose
