In Type II diabetes, insulin levels are frequently normal, yet the target cells are less sensitive to the effects of insulin. This suggests that
A) the target cells are impermeable to insulin.
B) the target cells may lack enough insulin receptors.
C) the target cells cannot convert insulin to an active form.
D) the target cells have adequate internal supplies of glucose.
E) none of the above

Question

Quizplus · Accepted Answer

The fact that insulin levels are normal suggests that there is enough insulin being produced, but the problem lies in the target cells not responding to it. One possible reason for this lack of response could be a deficiency in insulin receptors, meaning that there are not enough receptors available for insulin to bind and carry out its effects.

In Type II Diabetes, Insulin Levels Are Frequently Normal, Yet