This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Biochemistry
A large, protruding jaw; large hands and feet; normal height; and an elevated blood glucose level. 
Select and explain. 
A. Elevated blood levels of aldosterone and renin resulting from an atherosclerotic plaque in a renal artery., B. Hyperprolactinemia due to a pituitary tumor., C. Acromegaly due to a GH-producing tumor that developed in adulthood., D. Cushing syndrome due to an adrenal tumor.
C: Acromegaly due to a GH-producing tumor that developed in adulthood.
Answer: C: Acromegaly due to a GH-producing tumor that developed in adulthood. 
Explanation: In acromegaly, the height is normal, but the jaw, hands, feet, and soft tissues grow. DM frequently occurs because of the stimulation of gluconeogenesis by GH and the inability of glucose to suppress the release of GH by the tumor.