NEET Biology question

BiologyChemical Coordination and IntegrationNEET

Which one of the following four secretions is correctly matched with its source, target and nature of action?

| Option | Secretion | Source | Target | Action | |---|---|---|---|---| | (a) | Gastrin | Stomach lining | Oxyntic cells | Production of HCl | | (b) | Inhibin | Sertoli cells | Hypothalamus | Inhibition of secretion of gonadotropin-releasing hormone | | (c) | Enterokinase | Duodenum | Gall bladder | Release of bile juice | | (d) | Atrial Natriuretic Factor (ANF) | Sinu-atrial node (M-cells of atria) | Juxtaglomerular apparatus (JGA) | Inhibition of release of renin |

Answer: (D)

Solution

Atrial Natriuretic Factor (ANF) is secreted by the atrial wall of the heart in response to elevated blood pressure and acts on the juxtaglomerular apparatus (JGA) to inhibit renin

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Question ID VK-114736