Practice Question
A nurse is preparing to administer phenytoin 15 mg/kg PO as a loading dose to a client who weighs 264 lb. How many mg should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
Answer Choices:
Correct Answer:
1800
Rationale:
🧮 Step-by-step Calculation:
✴️ Step 1: Convert weight from pounds to kilograms
📌 264 lb ÷ 2.2 = 120 kg
✴️ Step 2: Multiply weight by dose
📌 15 mg × 120 kg = 1,800 mg
✅ Final Answer: 1,800 mg
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This question is from PN Dose Calculation-2025 which contains 34 questions.
More Questions from This Exam
A nurse is preparing to administer phenytoin oral suspension. Which of the following information should the nurse identify as correct, according to the medication label? (Refer to the medication label below to answer the question.)
Answer Choices:
A. Store the medication in the refrigerator.
B. Shake the bottle well before each use.
C. The strength of the oral suspension is 125 mg/mL
D. The total volume of the oral suspension is 250 mL
A nurse is reviewing a client's new prescription for nitroglycerin 0.4 mg SL every 3 to 5 min PRN for chest pain. The nurse should instruct the client to do which of the following?
Answer Choices:
A. Drink 8 oz of water with the medication.
B. Take the medication with food.
C. Place the medication under the tongue.
D. Chew the medication thoroughly.
Question Details
- Category: LPN Nursing Exam(s)
- Subcategory: LPN ATI Exams
- Domain: Dosage Calculations
- Answer Choices: 1