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DOSAGE CALCULATION PRACTICE EXAM 3 ; 50
QUESTIONS & ANSWERS | STEP-BY-STEP
RATIONALES FOR NURSING STUDENTS (HESI,
NCLEX, PROCTORED EXAMS)
TABLE OF CONTENTS
| Section | Question Type | Questions |
|---------|---------------|-----------|
| 1 | Oral Medications (Tablets & Capsules) | 10 |
| 2 | Oral & Parenteral Liquids (mL dosing) | 8 |
| 3 | Injectable Medications (IM, Subcut, IVP) | 8 |
| 4 | IV Infusion Rate (mL/hr) | 6 |
| 5 | IV Infusion Rate (gtt/min – Drop Factor) | 6 |
| 6 | Weight-Based Dosing (mg/kg) | 6 |
| 7 | Safe Dose Range & Pediatric Considerations | 6 |
| **TOTAL** | | **50** |
---
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## SECTION 1 – ORAL MEDICATIONS (TABLETS & CAPSULES)
(10 Questions)
**1. A provider orders amoxicillin 500 mg PO q8h. Available:
amoxicillin 250 mg tablets. How many tablets will the nurse administer
per dose?**
- A) 0.5 tablet
- B) 1 tablet
- C) 2 tablets
- D) 3 tablets
** Correct Answer: C – 2 tablets**
**Rationale:**
Formula: (Desired ÷ Have) × Vehicle
(500 mg ÷ 250 mg) × 1 tablet = 2 tablets
**2. A provider orders metoprolol 25 mg PO daily. Available:
metoprolol 50 mg tablets. How many tablets will the nurse administer
per dose?**
- A) 0.25 tablet
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- B) 0.5 tablet
- C) 1 tablet
- D) 2 tablets
** Correct Answer: B – 0.5 tablet**
**Rationale:**
(25 mg ÷ 50 mg) × 1 tablet = 0.5 tablet
---
**3. A provider orders levothyroxine 0.1 mg PO daily. Available:
levothyroxine 50 mcg tablets. How many tablets will the nurse
administer per dose?**
*(Note: 1 mg = 1000 mcg)*
- A) 0.5 tablet
- B) 1 tablet
- C) 2 tablets
- D) 4 tablets
** Correct Answer: C – 2 tablets**
**Rationale:**
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First convert 0.1 mg to mcg: 0.1 mg × 1000 = 100 mcg
(100 mcg ÷ 50 mcg) × 1 tablet = 2 tablets
---
**4. A provider orders ciprofloxacin 750 mg PO q12h. Available:
ciprofloxacin 500 mg tablets. 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: C – 1.5 tablets**
**Rationale:**
(750 mg ÷ 500 mg) × 1 tablet = 1.5 tablets
---
**5. A provider orders digoxin 0.125 mg PO daily. Available: digoxin
0.25 mg tablets. How many tablets will the nurse administer per dose?**
DOSAGE CALCULATION PRACTICE EXAM 3 ; 50
QUESTIONS & ANSWERS | STEP-BY-STEP
RATIONALES FOR NURSING STUDENTS (HESI,
NCLEX, PROCTORED EXAMS)
TABLE OF CONTENTS
| Section | Question Type | Questions |
|---------|---------------|-----------|
| 1 | Oral Medications (Tablets & Capsules) | 10 |
| 2 | Oral & Parenteral Liquids (mL dosing) | 8 |
| 3 | Injectable Medications (IM, Subcut, IVP) | 8 |
| 4 | IV Infusion Rate (mL/hr) | 6 |
| 5 | IV Infusion Rate (gtt/min – Drop Factor) | 6 |
| 6 | Weight-Based Dosing (mg/kg) | 6 |
| 7 | Safe Dose Range & Pediatric Considerations | 6 |
| **TOTAL** | | **50** |
---
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## SECTION 1 – ORAL MEDICATIONS (TABLETS & CAPSULES)
(10 Questions)
**1. A provider orders amoxicillin 500 mg PO q8h. Available:
amoxicillin 250 mg tablets. How many tablets will the nurse administer
per dose?**
- A) 0.5 tablet
- B) 1 tablet
- C) 2 tablets
- D) 3 tablets
** Correct Answer: C – 2 tablets**
**Rationale:**
Formula: (Desired ÷ Have) × Vehicle
(500 mg ÷ 250 mg) × 1 tablet = 2 tablets
**2. A provider orders metoprolol 25 mg PO daily. Available:
metoprolol 50 mg tablets. How many tablets will the nurse administer
per dose?**
- A) 0.25 tablet
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- B) 0.5 tablet
- C) 1 tablet
- D) 2 tablets
** Correct Answer: B – 0.5 tablet**
**Rationale:**
(25 mg ÷ 50 mg) × 1 tablet = 0.5 tablet
---
**3. A provider orders levothyroxine 0.1 mg PO daily. Available:
levothyroxine 50 mcg tablets. How many tablets will the nurse
administer per dose?**
*(Note: 1 mg = 1000 mcg)*
- A) 0.5 tablet
- B) 1 tablet
- C) 2 tablets
- D) 4 tablets
** Correct Answer: C – 2 tablets**
**Rationale:**
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First convert 0.1 mg to mcg: 0.1 mg × 1000 = 100 mcg
(100 mcg ÷ 50 mcg) × 1 tablet = 2 tablets
---
**4. A provider orders ciprofloxacin 750 mg PO q12h. Available:
ciprofloxacin 500 mg tablets. 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: C – 1.5 tablets**
**Rationale:**
(750 mg ÷ 500 mg) × 1 tablet = 1.5 tablets
---
**5. A provider orders digoxin 0.125 mg PO daily. Available: digoxin
0.25 mg tablets. How many tablets will the nurse administer per dose?**
