Assertion: Stimulation of renin secretion will increase the volume of the extracellular fluid (ECF).
Reason: The increased ECF occurs due to decreased active reabsorption of `Na^(+)`

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion
B. if both assertion and reason are true but reason is not the correct explanation of assertion.
C. if assertion is true but reason is false
D. if both assertion and reason are false.

Answer

C

Explanation

Renin is a proteolytic enzyme, secreted into the blood by juxtaglomerular cells of the only known physiological effect of renin is to cause the formation of angiotensis II from its plasma substrate, angiotensinogen. Angiotensin II, stimulates the release of aldosterone from theh zona glomerulosa of the adrenal cortex. Aldostrerone promotes reabsorption of `Na^(+)` ions by epithelial cells of the collecting duct. retaining `Na^(+)` raises the osmotic pressure of blood and reduces water loss from the body. Hence causing an increase in extracellular fluid (ECF) volume