Exam 1 Dosage Calculation Practice Questions and
Guide Answers, 100% Verified Graded A+
1. A pediatric patient weighing 15 kg is prescribed amoxicillin 20 mg/kg/day in
divided doses every 8 hours. How many milligrams of amoxicillin should the
nurse administer per dose?
Answer Options
a. 100 mg
b. 150 mg
c. 200 mg
d. 250 mg
Answer: a. 100 mg
Rationale Calculate the daily dose then divide the total daily dose into 3 doses (every 8 hours).
2. An elderly patient with reduced renal function is prescribed digoxin at a
maintenance dose of 0.125 mg daily. The pharmacy dispenses tablets labeled
0.25 mg per tablet. How many tablets should the nurse administer? Answer
, Options
a. 0.5 tablet
b. 1 tablet
c. 1.5 tablets
d. 2 tablets
Answer: a. 0.5 tablet
Rationale 0.125 mg ÷ 0.25 mg/tablet = 0.5 tablet
3. A patient is prescribed metoprolol extended-release 50 mg daily. The phar-
macy dispenses 25 mg tablets. How many tablets should the patient take
daily?
Answer Options
a. 1 tablet
b. 2 tablets
c. 3 tablets
d. 4 tablets
Answer: b. 2 tablets
4. A patient is prescribed propranolol (a negative chronotropic drug) 2
mg/kg/day in two divided doses. The patient weighs 70 kg. How many mil-
Guide Answers, 100% Verified Graded A+
1. A pediatric patient weighing 15 kg is prescribed amoxicillin 20 mg/kg/day in
divided doses every 8 hours. How many milligrams of amoxicillin should the
nurse administer per dose?
Answer Options
a. 100 mg
b. 150 mg
c. 200 mg
d. 250 mg
Answer: a. 100 mg
Rationale Calculate the daily dose then divide the total daily dose into 3 doses (every 8 hours).
2. An elderly patient with reduced renal function is prescribed digoxin at a
maintenance dose of 0.125 mg daily. The pharmacy dispenses tablets labeled
0.25 mg per tablet. How many tablets should the nurse administer? Answer
, Options
a. 0.5 tablet
b. 1 tablet
c. 1.5 tablets
d. 2 tablets
Answer: a. 0.5 tablet
Rationale 0.125 mg ÷ 0.25 mg/tablet = 0.5 tablet
3. A patient is prescribed metoprolol extended-release 50 mg daily. The phar-
macy dispenses 25 mg tablets. How many tablets should the patient take
daily?
Answer Options
a. 1 tablet
b. 2 tablets
c. 3 tablets
d. 4 tablets
Answer: b. 2 tablets
4. A patient is prescribed propranolol (a negative chronotropic drug) 2
mg/kg/day in two divided doses. The patient weighs 70 kg. How many mil-
