NCLEX-RN (Registered Nurse) Practice Exam · Question
A patient receives regular (short-acting) insulin SC at 0800. Peak action occurs at approximately:
Regular insulin onset 30 min, peak 2–4 hr, duration 6–8 hr. Monitor for hypoglycemia at peak.
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Question: A patient receives regular (short-acting) insulin SC at 0800. Peak action occurs at approximately:
Answer options:
- 15 minutes ✅ 2–4 hours
- 8–12 hours
- 24 hours
Correct answer: 2–4 hours
Explanation: Regular insulin onset 30 min, peak 2–4 hr, duration 6–8 hr. Monitor for hypoglycemia at peak.
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