HESI Dosage Calculation Examination
Practice Exam 100 Questions And
Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A Instant
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1. A provider prescribes 500 mg of medication. The pharmacy supplies 250
mg tablets. How many tablets will the nurse administer?
2 tablets
Rationale: 500 mg ÷ 250 mg per tablet = 2 tablets.
2. A provider prescribes 1,000 mL of IV fluid to infuse over 8 hours. What is
the hourly rate in mL/hr?
125 mL/hr
Rationale: 1,000 mL ÷ 8 hours = 125 mL/hr.
3. A provider prescribes 0.5 g of medication. The pharmacy supplies 250
mg capsules. How many capsules will the nurse administer?
2 capsules
Rationale: 0.5 g = 500 mg. 500 mg ÷ 250 mg per capsule = 2 capsules.
4. A provider prescribes 75 mg of medication IM. The pharmacy supplies 50
mg/mL. How many mL will the nurse administer?
1.5 mL
Rationale: 75 mg ÷ 50 mg/mL = 1.5 mL.
5. A provider prescribes 2,000 units of medication. The pharmacy supplies
5,000 units/mL. How many mL will the nurse administer?
0.4 mL
Rationale: 2,000 units ÷ 5,000 units/mL = 0.4 mL.
, 6. A provider prescribes 1,500 mL of IV fluid over 12 hours. The drop factor
is 15 gtt/mL. What is the flow rate in gtt/min?
31 gtt/min
Rationale: 1,500 mL ÷ 720 min = 2.08 mL/min × 15 gtt/mL = 31.25,
rounded to 31 gtt/min.
7. A provider prescribes 300 mg of medication. The pharmacy supplies 100
mg/5 mL. How many mL will the nurse administer?
15 mL
Rationale: 300 mg ÷ 100 mg × 5 mL = 15 mL.
8. A provider prescribes 0.25 mg of medication. The pharmacy supplies 0.5
mg tablets. How many tablets will the nurse administer?
0.5 tablet
Rationale: 0.25 mg ÷ 0.5 mg per tablet = 0.5 tablet.
9. A provider prescribes 1,000 mL of D5W over 6 hours. What is the hourly
rate in mL/hr?
167 mL/hr
Rationale: 1,000 mL ÷ 6 hours = 166.7, rounded to 167 mL/hr.
10.A provider prescribes 4 mg of medication. The pharmacy supplies 2
mg/mL. How many mL will the nurse administer?
2 mL
Rationale: 4 mg ÷ 2 mg/mL = 2 mL.
11.A provider prescribes 600 mg of medication. The pharmacy supplies 200
mg tablets. How many tablets will the nurse administer?
3 tablets
Rationale: 600 mg ÷ 200 mg per tablet = 3 tablets.
12.A provider prescribes 50 mg of medication. The pharmacy supplies 25
mg/mL. How many mL will the nurse administer?
2 mL
Rationale: 50 mg ÷ 25 mg/mL = 2 mL.
13.A provider prescribes 1,200 mL of IV fluid over 10 hours. The drop factor
is 20 gtt/mL. What is the flow rate in gtt/min?
Practice Exam 100 Questions And
Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A Instant
Download Pdf
1. A provider prescribes 500 mg of medication. The pharmacy supplies 250
mg tablets. How many tablets will the nurse administer?
2 tablets
Rationale: 500 mg ÷ 250 mg per tablet = 2 tablets.
2. A provider prescribes 1,000 mL of IV fluid to infuse over 8 hours. What is
the hourly rate in mL/hr?
125 mL/hr
Rationale: 1,000 mL ÷ 8 hours = 125 mL/hr.
3. A provider prescribes 0.5 g of medication. The pharmacy supplies 250
mg capsules. How many capsules will the nurse administer?
2 capsules
Rationale: 0.5 g = 500 mg. 500 mg ÷ 250 mg per capsule = 2 capsules.
4. A provider prescribes 75 mg of medication IM. The pharmacy supplies 50
mg/mL. How many mL will the nurse administer?
1.5 mL
Rationale: 75 mg ÷ 50 mg/mL = 1.5 mL.
5. A provider prescribes 2,000 units of medication. The pharmacy supplies
5,000 units/mL. How many mL will the nurse administer?
0.4 mL
Rationale: 2,000 units ÷ 5,000 units/mL = 0.4 mL.
, 6. A provider prescribes 1,500 mL of IV fluid over 12 hours. The drop factor
is 15 gtt/mL. What is the flow rate in gtt/min?
31 gtt/min
Rationale: 1,500 mL ÷ 720 min = 2.08 mL/min × 15 gtt/mL = 31.25,
rounded to 31 gtt/min.
7. A provider prescribes 300 mg of medication. The pharmacy supplies 100
mg/5 mL. How many mL will the nurse administer?
15 mL
Rationale: 300 mg ÷ 100 mg × 5 mL = 15 mL.
8. A provider prescribes 0.25 mg of medication. The pharmacy supplies 0.5
mg tablets. How many tablets will the nurse administer?
0.5 tablet
Rationale: 0.25 mg ÷ 0.5 mg per tablet = 0.5 tablet.
9. A provider prescribes 1,000 mL of D5W over 6 hours. What is the hourly
rate in mL/hr?
167 mL/hr
Rationale: 1,000 mL ÷ 6 hours = 166.7, rounded to 167 mL/hr.
10.A provider prescribes 4 mg of medication. The pharmacy supplies 2
mg/mL. How many mL will the nurse administer?
2 mL
Rationale: 4 mg ÷ 2 mg/mL = 2 mL.
11.A provider prescribes 600 mg of medication. The pharmacy supplies 200
mg tablets. How many tablets will the nurse administer?
3 tablets
Rationale: 600 mg ÷ 200 mg per tablet = 3 tablets.
12.A provider prescribes 50 mg of medication. The pharmacy supplies 25
mg/mL. How many mL will the nurse administer?
2 mL
Rationale: 50 mg ÷ 25 mg/mL = 2 mL.
13.A provider prescribes 1,200 mL of IV fluid over 10 hours. The drop factor
is 20 gtt/mL. What is the flow rate in gtt/min?
