AIIMS 2005 Zoology Hormonal Secretions MCQ Question
Which one of the following four secretions is correctly matched with its source, target and nature of action?
Gastrin - Stomach - Oxyntic cells - Production of HCl
Inhibin - Sertoli cells - Hypothalamus - Inhibition of secretion of gonadotropin releasing hormone
Enterokinase - Duodenum - Gall bladder - Release of bile juice
Atrial Natriuretic Factor (ANF) - Sino atrial node(SAN)/ M⁻cells of Atria - Juxtaglomerular apparatus (JGA) - Inhibition of release of renin
Correct Answer
Detailed Explanation
Gastrin is a polypeptide hormone produced by the enteroendocrine cells of the stomach after exposure to mechanical stimuli or stimulation of vagus nerve and of the duodenum, after the exposure of chyme that contains undigested proteins. It plays an important role in the control of gastric acid secretion.
Found an issue with this question?