48. Pancreatic hormones regulate blood glucose level. In the statements below, which one is correct?
(A)Alpha cells in pancreas release insulin into the blood.
(B)Insulin stimulates only liver cells to take up glucose.
(C)When the level of blood glucose drops, it diminished the alpha cells.
(D)If the regulation of insulin is disordered and thus blood glucose is elevated, this is calledhyperglycemia.
(E)Type I diabetes is caused by the defective insulin signaling.