Comprehensive Dosage
Calculation &
Medication Safety
Examination
2026/2027
**Examination Description:** This comprehensive examination evaluates nursing knowledge and
clinical judgment in dosage calculation and medication safety. It integrates concepts from basic
arithmetic, pharmacology, medication administration, and patient safety. The examination emphasizes
clinical reasoning, accurate calculation, medication safety principles, and the prevention of medication
errors to prepare nursing students for professional practice.
---
,**Question 1**
The healthcare provider orders 500 mg of a medication. The available medication is 250 mg per tablet.
How many tablets should the nurse administer?
A. 0.5 tablet
B. 1 tablet
C. 2 tablets
D. 3 tablets
💫RATIONALE✔️✔️: To calculate the number of tablets, divide the ordered dose by the available
dose: 500 mg ÷ 250 mg per tablet = 2 tablets. Always double-check calculations and use a second nurse
for high-alert medications. This is a basic dosage calculation that requires attention to the available
concentration.
💫ANSWER✔️✔️: C. 2 tablets
---
**Question 2**
The healthcare provider orders 250 mg of a medication. The available medication is 100 mg per mL. How
many mL should the nurse administer?
A. 0.5 mL
B. 2 mL
,C. 2.5 mL
D. 4 mL
💫RATIONALE✔️✔️: To calculate the amount, divide the ordered dose by the available
concentration: 250 mg ÷ 100 mg per mL = 2.5 mL. Always double-check calculations and use a second
nurse for high-alert medications. This calculation requires attention to the concentration of the available
medication.
💫ANSWER✔️✔️: C. 2.5 mL
---
**Question 3**
The healthcare provider orders 750 mg of a medication. The available medication is 500 mg per tablet.
How many tablets should the nurse administer?
A. 0.5 tablet
B. 1 tablet
C. 1.5 tablets
D. 2 tablets
💫RATIONALE✔️✔️: To calculate the number of tablets, divide the ordered dose by the available
dose: 750 mg ÷ 500 mg per tablet = 1.5 tablets. Always double-check calculations and use a second
nurse for high-alert medications. Some tablets may be scored for splitting, but always confirm with the
pharmacist if needed.
💫ANSWER✔️✔️: C. 1.5 tablets
, ---
**Question 4**
The healthcare provider orders 0.5 mg of a medication. The available medication is 1 mg per mL. How
many mL should the nurse administer?
A. 0.25 mL
B. 0.5 mL
C. 1 mL
D. 2 mL
💫RATIONALE✔️✔️: To calculate the amount, divide the ordered dose by the available
concentration: 0.5 mg ÷ 1 mg per mL = 0.5 mL. Always double-check calculations and use a second nurse
for high-alert medications. This is a basic dosage calculation requiring careful attention to decimal
placement.
💫ANSWER✔️✔️: B. 0.5 mL
---
**Question 5**
The healthcare provider orders 125 mg of a medication. The available medication is 250 mg per 5 mL.
How many mL should the nurse administer?
Calculation &
Medication Safety
Examination
2026/2027
**Examination Description:** This comprehensive examination evaluates nursing knowledge and
clinical judgment in dosage calculation and medication safety. It integrates concepts from basic
arithmetic, pharmacology, medication administration, and patient safety. The examination emphasizes
clinical reasoning, accurate calculation, medication safety principles, and the prevention of medication
errors to prepare nursing students for professional practice.
---
,**Question 1**
The healthcare provider orders 500 mg of a medication. The available medication is 250 mg per tablet.
How many tablets should the nurse administer?
A. 0.5 tablet
B. 1 tablet
C. 2 tablets
D. 3 tablets
💫RATIONALE✔️✔️: To calculate the number of tablets, divide the ordered dose by the available
dose: 500 mg ÷ 250 mg per tablet = 2 tablets. Always double-check calculations and use a second nurse
for high-alert medications. This is a basic dosage calculation that requires attention to the available
concentration.
💫ANSWER✔️✔️: C. 2 tablets
---
**Question 2**
The healthcare provider orders 250 mg of a medication. The available medication is 100 mg per mL. How
many mL should the nurse administer?
A. 0.5 mL
B. 2 mL
,C. 2.5 mL
D. 4 mL
💫RATIONALE✔️✔️: To calculate the amount, divide the ordered dose by the available
concentration: 250 mg ÷ 100 mg per mL = 2.5 mL. Always double-check calculations and use a second
nurse for high-alert medications. This calculation requires attention to the concentration of the available
medication.
💫ANSWER✔️✔️: C. 2.5 mL
---
**Question 3**
The healthcare provider orders 750 mg of a medication. The available medication is 500 mg per tablet.
How many tablets should the nurse administer?
A. 0.5 tablet
B. 1 tablet
C. 1.5 tablets
D. 2 tablets
💫RATIONALE✔️✔️: To calculate the number of tablets, divide the ordered dose by the available
dose: 750 mg ÷ 500 mg per tablet = 1.5 tablets. Always double-check calculations and use a second
nurse for high-alert medications. Some tablets may be scored for splitting, but always confirm with the
pharmacist if needed.
💫ANSWER✔️✔️: C. 1.5 tablets
, ---
**Question 4**
The healthcare provider orders 0.5 mg of a medication. The available medication is 1 mg per mL. How
many mL should the nurse administer?
A. 0.25 mL
B. 0.5 mL
C. 1 mL
D. 2 mL
💫RATIONALE✔️✔️: To calculate the amount, divide the ordered dose by the available
concentration: 0.5 mg ÷ 1 mg per mL = 0.5 mL. Always double-check calculations and use a second nurse
for high-alert medications. This is a basic dosage calculation requiring careful attention to decimal
placement.
💫ANSWER✔️✔️: B. 0.5 mL
---
**Question 5**
The healthcare provider orders 125 mg of a medication. The available medication is 250 mg per 5 mL.
How many mL should the nurse administer?
