The following protein acts cGMP: (A) Atrial natriuretic peptide, (B) G-protein, (C) Glycoprotein, (D) Mucoprotein
Answer is A. Atrial natriuritic peptide is produced by hea due to increased blood pressure, it acts enzyme guanylyl cyclase and produces cGMP Ref:Guyton and Hall textbook of medical physiology 12th edition,page number: 489,490