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: Pharmacology
[{'content': 'Increase in cAMP is caused by- \nSelect and explain. \nA. Somatostain, B. b (Beta) receptor, C. a (Alfa) receptor, D. Acetylchoine', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e. b (Beta) receptor Adenylyl cyclase (AC) o Activation of AC results in increased synthesis and intracellular accumulation of cAMP (by stimulatory G protein). o cAMP acts through cAMP dependent Protein Kinase 'A', which phosphorylate and alters the function of many enzymes, ion channels and structural proteins.", 'role': 'assistant'}]