This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
All of the following hormones stimulate cAMP, EXCEPT: 
Select and explain. 
A. Glucagon, B. Follicle stimulating hormone, C. Luteinizing hormone, D. Acetylcholine
D: Acetylcholine
Answer: D: Acetylcholine 
Explanation: Hormones that Stimulate Adenylyl Cyclase: ACTH ADH-Adrenergics Calcitonin CRH FSH Glucagon hCG LH MSH PTH TSH Hormones that Inhibit Adenylyl Cyclase: Acetylcholine 2-Adrenergics Angiotensin II Somatostatin Ref: Weil P. (2011). Chapter 42. Hormone Action & Signal Transduction. In D.A. Bender, K.M. Botham, P.A. Weil, P.J. Kennelly, R.K. Murray, V.W. Rodwell (Eds), Harper's Illustrated Biochemistry, 29e.