The nurse is reinforcing teaching for a patient who is on four injections of regular insulin daily. About how many hours after each injection of insulin should the nurse teach the patient to be alert for symptoms of hypoglycemia?
12 hours
1/2 hour
8 hours
3 hours
The Correct Answer is D
A. 12 hours: that would reflect long-acting insulin duration, not the short/regular insulin peak.
B. 1/2 hour: ~30 minutes is the onset of regular insulin, not the peak; hypoglycemia risk is greater at peak.
C. 8 hours: that’s longer than the typical peak/duration for regular insulin (NPH peaks later).
D. 3 hours: regular (short-acting) insulin typically has a peak about 2–4 hours after injection, so teaching patients to be alert around ~3 hours after each regular insulin dose is appropriate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Seafood: A history of seafood (shellfish) allergy is commonly considered an alert for potential allergic reaction to iodinated contrast media; the nurse should notify the provider to discuss premedication or alternative imaging.
B. Penicillin: Penicillin allergy does not specifically predict contrast dye reactions; it’s important to document but not the most urgent for IV contrast.
C. Red food dye: Food-dye allergy is generally less relevant to iodinated contrast reactions and less likely to necessitate urgent provider contact.
D. Bee stings: Insect-sting allergy is important history but does not specifically increase risk for contrast media reaction.
Correct Answer is A
Explanation
A. Protamine sulfate: Protamine sulfate is the antidote for heparin (it neutralizes heparin’s anticoagulant effect).
B. Vitamin E: Vitamin E is not an anticoagulant antidote.
C. Potassium chloride: Potassium chloride is an electrolyte supplement, not an antidote for heparin.
D. Vitamin K: Vitamin K reverses warfarin, not heparin.
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