Atrial Natriuretic Factor (ANF) is released by the
AAdrenal cortex when sodium falls low
BHypothalamic neurosecretory cells
CJuxtaglomerular apparatus in kidney
DAtrial walls when stretched by volume
Answer & Solution
Correct answer: D. Atrial walls when stretched by volume
ANF is secreted by atrial myocytes in response to atrial wall stretch (volume overload).
It promotes vasodilation and Na+/water excretion, opposing the RAA system and lowering blood pressure.
Keep practising Unit 6A: Toxicology, Infectious Diseases and Environmental Hazards
Browse all Unit 6A: Toxicology, Infectious Diseases and Environmental Hazards questions for AP Intermediate 1st Year, or explore more Environmental Science topics.
Related questions
Uraemia refers toRenal calculi are typically formed byThe vasa recta arises fromIn humans, the ascending limb of Henle is impermeable to water mainly becauseThe Bowman's capsule visceral layer is composed of specialised cells calledADH (vasopressin) acts mainly on theProtonephridia (flame cells) are the excretory structures ofAldosterone secreted by the adrenal cortex acts on the DCT to