Question:
Natriuresis is stimulated by ________ .
Natriuresis is stimulated by ________ .
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Natriuresis is increased loss of sodium in urine.
Updated On: Nov 12, 2026
- Aldosterone
- ADH
- renin
- ANP
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
Natriuresis means increased loss of sodium ions in urine.
Step 2: Role of ANP
When blood volume and pressure rise, the atrial walls of the heart secrete atrial natriuretic peptide (ANP).
ANP reduces \(\text{Na}^{+}\) reabsorption and inhibits renin and aldosterone, so more \(\text{Na}^{+}\) and water are excreted.
Step 3: Why the other options fail
Aldosterone and renin lead to \(\text{Na}^{+}\) retention, and ADH conserves water.
Final Answer:
Natriuresis is stimulated by ANP. \[ \boxed{\text{(D) }\text{ANP}} \]
Natriuresis means increased loss of sodium ions in urine.
Step 2: Role of ANP
When blood volume and pressure rise, the atrial walls of the heart secrete atrial natriuretic peptide (ANP).
ANP reduces \(\text{Na}^{+}\) reabsorption and inhibits renin and aldosterone, so more \(\text{Na}^{+}\) and water are excreted.
Step 3: Why the other options fail
Aldosterone and renin lead to \(\text{Na}^{+}\) retention, and ADH conserves water.
Final Answer:
Natriuresis is stimulated by ANP. \[ \boxed{\text{(D) }\text{ANP}} \]
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