A client with insulin-dependent diabetes takes 20 units of NPH insulin at 7 a.m. The nurse should observe the client for signs of hypoglycemia at:
A. 8 a.m.
B. 10 a.m.
C. 3 p.m.
D. 5 a.m.
Correct Answer: C. 3 p.m.
Option C: NPH insulin has a peak effect of 4 to 6 hours, so the client who has taken the insulin in the morning should have a snack midafternoon to prevent the occurrence of hypoglycemia.
Options A and B: These times are too early for symptoms of hypoglycemia.
Option D: The time is too late and the client would be in severe hypoglycemia.