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Dosage Calculation Nursing Courses | Exam
Questions and Answers | 100% Pass
Guaranteed \Advanced/Hard Difficulty |
Graded A+
1. The healthcare provider orders amoxicillin 500 mg PO every 8 hours. The available medication is
amoxicillin 250 mg per tablet. How many tablets will the nurse administer per dose?
A. 0.5 tablet
B. 1 tablet
C. 1.5 tablets
D. 2 tablets
☑ Correct Answer: D
Explanation: Use the formula: Desired dose / Available dose = 500 mg / 250 mg = 2 tablets. This is a basic
ratio and proportion calculation.
2. A client is prescribed cefazolin 1 g IV every 8 hours. The pharmacy supplies a vial containing
cefazolin 500 mg/mL. How many mL will the nurse administer per dose?
A. 0.5 mL
,2
B. 1 mL
C. 1.5 mL
D. 2 mL
☑ Correct Answer: D
Explanation: Convert 1 g to 1000 mg. Use the formula: Desired dose / Available dose = 1000 mg / 500
mg/mL = 2 mL.
3. The healthcare provider orders heparin 8,000 units subcutaneously every 12 hours. The available
medication is heparin 10,000 units/mL. How many mL will the nurse administer per dose?
A. 0.8 mL
B. 1.0 mL
C. 1.2 mL
D. 1.5 mL
☑ Correct Answer: A
Explanation: Use the formula: Desired dose / Available dose = 8000 units / 10000 units/mL = 0.8 mL.
4. A client is prescribed furosemide 40 mg IV push. The vial contains furosemide 10 mg/mL. How many
mL will the nurse administer?
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A. 2 mL
B. 3 mL
C. 4 mL
D. 5 mL
☑ Correct Answer: C
Explanation: Use the formula: Desired dose / Available dose = 40 mg / 10 mg/mL = 4 mL.
5. A client is to receive digoxin 0.125 mg PO daily. The available tablets are digoxin 0.25 mg each. How
many tablets will the nurse administer?
A. 0.25 tablet
B. 0.5 tablet
C. 1 tablet
D. 1.5 tablets
☑ Correct Answer: B
Explanation: Use the formula: Desired dose / Available dose = 0.125 mg / 0.25 mg = 0.5 tablet.
6. The healthcare provider orders 750 mL of normal saline to infuse over 6 hours. The IV set delivers
15 drops/mL (macrodrip). Calculate the flow rate in drops per minute. Round to the nearest whole
, 4
number.
A. 21 gtt/min
B. 25 gtt/min
C. 31 gtt/min
D. 41 gtt/min
☑ Correct Answer: C
Explanation: Formula: (Volume in mL / Time in minutes) × Drop factor = (750 mL / 360 minutes) × 15 =
2.083 × 15 = 31.25 → 31 gtt/min.
7. A client is prescribed lorazepam 2 mg IV. The available vial contains lorazepam 4 mg/mL. How many
mL will the nurse administer?
A. 0.25 mL
B. 0.5 mL
C. 1 mL
D. 2 mL
☑ Correct Answer: B
Explanation: Use the formula: Desired dose / Available dose = 2 mg / 4 mg/mL = 0.5 mL.
Dosage Calculation Nursing Courses | Exam
Questions and Answers | 100% Pass
Guaranteed \Advanced/Hard Difficulty |
Graded A+
1. The healthcare provider orders amoxicillin 500 mg PO every 8 hours. The available medication is
amoxicillin 250 mg per tablet. How many tablets will the nurse administer per dose?
A. 0.5 tablet
B. 1 tablet
C. 1.5 tablets
D. 2 tablets
☑ Correct Answer: D
Explanation: Use the formula: Desired dose / Available dose = 500 mg / 250 mg = 2 tablets. This is a basic
ratio and proportion calculation.
2. A client is prescribed cefazolin 1 g IV every 8 hours. The pharmacy supplies a vial containing
cefazolin 500 mg/mL. How many mL will the nurse administer per dose?
A. 0.5 mL
,2
B. 1 mL
C. 1.5 mL
D. 2 mL
☑ Correct Answer: D
Explanation: Convert 1 g to 1000 mg. Use the formula: Desired dose / Available dose = 1000 mg / 500
mg/mL = 2 mL.
3. The healthcare provider orders heparin 8,000 units subcutaneously every 12 hours. The available
medication is heparin 10,000 units/mL. How many mL will the nurse administer per dose?
A. 0.8 mL
B. 1.0 mL
C. 1.2 mL
D. 1.5 mL
☑ Correct Answer: A
Explanation: Use the formula: Desired dose / Available dose = 8000 units / 10000 units/mL = 0.8 mL.
4. A client is prescribed furosemide 40 mg IV push. The vial contains furosemide 10 mg/mL. How many
mL will the nurse administer?
,3
A. 2 mL
B. 3 mL
C. 4 mL
D. 5 mL
☑ Correct Answer: C
Explanation: Use the formula: Desired dose / Available dose = 40 mg / 10 mg/mL = 4 mL.
5. A client is to receive digoxin 0.125 mg PO daily. The available tablets are digoxin 0.25 mg each. How
many tablets will the nurse administer?
A. 0.25 tablet
B. 0.5 tablet
C. 1 tablet
D. 1.5 tablets
☑ Correct Answer: B
Explanation: Use the formula: Desired dose / Available dose = 0.125 mg / 0.25 mg = 0.5 tablet.
6. The healthcare provider orders 750 mL of normal saline to infuse over 6 hours. The IV set delivers
15 drops/mL (macrodrip). Calculate the flow rate in drops per minute. Round to the nearest whole
, 4
number.
A. 21 gtt/min
B. 25 gtt/min
C. 31 gtt/min
D. 41 gtt/min
☑ Correct Answer: C
Explanation: Formula: (Volume in mL / Time in minutes) × Drop factor = (750 mL / 360 minutes) × 15 =
2.083 × 15 = 31.25 → 31 gtt/min.
7. A client is prescribed lorazepam 2 mg IV. The available vial contains lorazepam 4 mg/mL. How many
mL will the nurse administer?
A. 0.25 mL
B. 0.5 mL
C. 1 mL
D. 2 mL
☑ Correct Answer: B
Explanation: Use the formula: Desired dose / Available dose = 2 mg / 4 mg/mL = 0.5 mL.
