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No.

1 :
The practical nurse (PN) tells a female client with osteopenia to divide the dose calcium carbonate 1,500 mg PO twice daily, one in the morning and one in the evening. Each calcium carbonate tablet contains 750 mg. How many tablets should the client take with each dose? (Enter the numerical value only. If rounding required, round to the whole number.)

Hint : 💀 Split doses evenly for absorption.

Correct Answers:

Rationale :

🔢 Ordered: 1,500 mg per dose

💊 Each tablet: 750 mg

➗ Tablets per dose: 1,500 ÷ 750 = 2 tablets

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2 :
A client with atrial fibrillation (A-fib) receives a prescription for a loading dose of digoxin 0.5 mg PO. The medication is available as "Digoxin 125 mcg tablets." How many tablets should the practical nurse (PN) administer? (Enter numerical value only.)

Hint : ❤️ Convert mg → mcg for accuracy.

Correct Answers:

Rationale :

⚖️ Ordered: 0.5 mg = 500 mcg

💊 Tablet: 125 mcg each

➗ Tablets: 500 ÷ 125 = 4 tablets

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3 :
A client who weighs 108 kg receives a prescriptions for midazolam 0.07 mg/kg intramuscularly. The medication is available in a 50 mg per 10 mL vial. How many mL should the practical nurse (PN) administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Hint : 💉 Multiply by weight, then divide by strength.

Correct Answers:

Rationale :

⚖️ Weight: 108 kg × 0.07 mg/kg = 7.56 mg

💉 Strength: 50 mg / 10 mL = 5 mg/mL

➗ Volume: 7.56 ÷ 5 = 1.5 mL

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4 :
A resident in the long term care facility has a prescription for furosemide 40 mg PO twice daily. The medication is "Available furosemide 20 mg tablets" and the practical nurse (PN) notes that there are 8 tablets remaining. There are enough tablets for how many days? (Enter the numerical value only. If rounding required, round to the whole number.)

Hint : ⏳ Divide total tablets by daily use.

Correct Answers:

Rationale :

💊 20 mg tablet, 40 mg twice daily → 4 tablets/day

📦 8 tablets available

➗ Days: 8 ÷ 4 = 2 days

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5 :
A client with gouty arthritis lives alone at home. During a home visit, the practical nurse (PN) notes that the client takes colchicine 1.8 mg PO daily. The container of tablets is labeled 0.6 mg/tablet, and the PN counts 12 remaining tablets. How may days of medicine does the client have on hand? (Enter numeric value only.)

Hint : 📅 Tablets ÷ tablets per day = days supply.

Correct Answers:

Rationale :

💊 0.6 mg each, 1.8 mg/day → 3 tablets/day

📦 12 tablets left

➗ Days: 12 ÷ 3 = 4 days

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6 :
The practical nurse (PN) gives a client the daily dose of a prescription for captopril 12.5 mg PO every morning. Shortly administering the medication, the healthcare provider instructs the PN to give another dose to reach the newly prescrib 50 mg PO daily. The medication is available as "Captopril 12.5 mg tablets." How many additional tablets should the PM (Enter the numerical value only. If rounding required, round to the whole number.)

Hint : 💊 Subtract what’s given before dividing.

Correct Answers:

Rationale :

🎯 New order: 50 mg total daily

💊 Already given: 12.5 mg → Needs 37.5 mg more

💊 12.5 mg tablet → 37.5 ÷ 12.5 = 3 tablets

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7 :
A client receives a prescription for cefazolin 1 gram intramuscularly (IM) every 8 hours. The medication is available in 1 gram vial. The instructions for reconstitution state, "For IM use, add 2.5 mL sterile water for injection. Resulting solution provides an approximate volume of 3 mL (330 mg per mL)." How many mL should the practical nurse (PN) administer? (Enter numerical value only. If rounding is required, round to the nearest whole number.)

Hint : 🧪 Divide dose by concentration.

Correct Answers:

Rationale :

💉 Ordered: 1,000 mg

💧 Concentration: 330 mg/mL

➗ Volume: 1,000 ÷ 330 = 3.03 mL → 3 mL

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8 :
A client receives a prescription for cefazolin 1 gram intramuscularly (IM) every 8 hours. The medication is available in 1 gram vial. The instructions for reconstitution state, "For IM use, add 2.5 mL sterile water for injection. Resulting solution provides an approximate volume of 3 mL (330 mg per mL)." How many mL should the practical nurse (PN) administer? (Enter numerical value only. If rounding is required, round to the nearest whole number.)

Hint : 💉 Same setup, same result.

Correct Answers:

Rationale :

💧 1,000 ÷ 330 = 3.03 → 3 mL

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9 :
A client receives a prescription for cefazolin 1 gram intramuscularly (IM) every 8 hours. The medication is available in 1 gram vial. The instructions for reconstitution state, "For IM use, add 2.5 mL sterile water for injection. Resulting solution provides an approximate volume of 3 mL (330 mg per mL)." How many mL should the practical nurse (PN) administer? (Enter numerical value only. If rounding is required, round to the nearest whole number.)

Hint : 🧪 Repeat confirms consistency.

Correct Answers:

Rationale :

1,000 ÷ 330 = 3.03 → 3 mL

Distractor Analysis :

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10 :
The practical nurse (PN) is demonstrating to a client about ways to measure a take home prescription for magnesium hydroxide 15 mL daily. Using a calibrated plastic medication cup for return demonstration, how many ounces should the PN ask the client to measure? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Hint : 🧴 Half an ounce equals 15 mL.

Correct Answers:

Rationale :

🔁 30 mL = 1 oz

➗ 15 ÷ 30 = 0.5 oz

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Total Questions: 10

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HESI PN dosage calculations Exam

No.

2 :
A client with atrial fibrillation (A-fib) receives a prescription for a loading dose of digoxin 0.5 mg PO. The medication is available as "Digoxin 125 mcg tablets." How many tablets should the practical nurse (PN) administer? (Enter numerical value only.)

3 :
A client who weighs 108 kg receives a prescriptions for midazolam 0.07 mg/kg intramuscularly. The medication is available in a 50 mg per 10 mL vial. How many mL should the practical nurse (PN) administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

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HESI PN dosage calculations Exam

No.

2 : A client with atrial fibrillation (A-fib) receives a prescription for a loading dose of digoxin 0.5 mg PO. The medication is available as "Digoxin 125 mcg tablets." How many tablets should the practical nurse (PN) administer? (Enter numerical value only.)

3 : A client who weighs 108 kg receives a prescriptions for midazolam 0.07 mg/kg intramuscularly. The medication is available in a 50 mg per 10 mL vial. How many mL should the practical nurse (PN) administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

2 :
A client with atrial fibrillation (A-fib) receives a prescription for a loading dose of digoxin 0.5 mg PO. The medication is available as "Digoxin 125 mcg tablets." How many tablets should the practical nurse (PN) administer? (Enter numerical value only.)

3 :
A client who weighs 108 kg receives a prescriptions for midazolam 0.07 mg/kg intramuscularly. The medication is available in a 50 mg per 10 mL vial. How many mL should the practical nurse (PN) administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)