Practice Question
A nurse is preparing to administer isoniazid 187 mg IM. Available is isoniazid injection 100 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.
Answer Choices:
Correct Answer:
1.9
Rationale:
🔷 Order (DO) = 187 mg
🔷 Available (DH) = 100 mg / 1 mL
🔷 Formula: mL to give = DO ÷ DH
🔷 Substitute: mL to give = 187 mg ÷ 100 mg/mL
🔷 Calculate: 187 ÷ 100 = 1.87 mL
🔷 Round to nearest tenth: 1.87 → 1.9 mL
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This question is from DOSAGE CALCULATION RN FUNDAMENTALS PROCTORED ASSESSMENT 3.2 which contains 32 questions.
More Questions from This Exam
A nurse is reviewing a new prescription for alendronate 70 mg PO once per week upon waking to be taken 30 min before food, fluids, or medication with a client who has osteoporosis. The client is to remain upright for 30 min after administration. How should the nurse interpret this prescription for the client?
Answer Choices:
A. The client can return to bed after taking the medication, but before eating
B. Over-the-counter oral preparations can be taken with this medication.
C. Choose the same day of each week to take this medication.
D. Take the medication at 1800, 30 min after the evening meal,
From Exam
DOSAGE CALCULATION RN FUNDAMENTALS PROCTORED ASSESSMENT 3.2
32 Questions
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- Category: RN Nursing Exam(s)
- Subcategory: ATI Exam(s)
- Domain: RN ATI Dosage Calculations
- Answer Choices: 1