Q. Which one of the following four secretions is correctly matched with its source, target and nature of action? Secretion Source Target Action
A) [table] Gastrin | Stomach lining | Oxyntic cells | Production of HCl [/table]
B) [table] Inhibin | Sertoli cells | Hypothalamus | Inhibition of secretion of gonadotrop-in releasing hormone [/table]
C) [table] Enterokinase | Duodenum | Gall bladder | Release of bile juice [/table]
D) [table] Atrial Natriuretic Factor | Sinu Atrial Node M-cells of atria | Juxtaglomeru-lar apparatus | Inhibition of release of renin [/table]
Explanation
Atrial Natriuretic Factor (ANF) is secreted by walls of cardiac atrium. It inhibits rennin secretion and affects juxtaglomerular apparatus.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.