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?
a. 1/2 hour
b. 3 hours
c. 8 hours
d. 12 hours
ANS: B
Regular insulin peaks in 2 to 5 hours, so blood sugar will be lowest at this time. A. C. D. Onset is a half hour, and duration is 5 to 8 hours.
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