Question:
Kidneys are NOT associated with secretion of
Kidneys are NOT associated with secretion of
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Kidney hormones: Erythropoietin, Renin, Calcitriol. ADH comes from pituitary.
Updated On: May 4, 2026
- erythropoietin
- antidiuretic hormone
- renin
- calcitriol
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The Correct Option is B
Solution and Explanation
Concept:
Kidneys have endocrine functions and secrete certain hormones, but some hormones regulating kidney function are produced elsewhere.
Step 1: Identify hormones secreted by kidneys.
• Erythropoietin → Stimulates RBC production
• Renin → Regulates blood pressure
• Calcitriol → Active form of Vitamin D
Step 2: Understand ADH. Antidiuretic hormone (ADH) is secreted by the posterior pituitary gland, not by kidneys. It acts on kidneys to regulate water reabsorption.
Step 3: Analyze options.
• (A) Erythropoietin → Secreted by kidney \checkmark
• (B) ADH → Not secreted by kidney \checkmark (Correct answer)
• (C) Renin → Secreted by kidney \checkmark
• (D) Calcitriol → Produced by kidney \checkmark
Step 4: Conclusion. \[ \text{Kidneys do NOT secrete ADH} \]
Kidneys have endocrine functions and secrete certain hormones, but some hormones regulating kidney function are produced elsewhere.
Step 1: Identify hormones secreted by kidneys.
• Erythropoietin → Stimulates RBC production
• Renin → Regulates blood pressure
• Calcitriol → Active form of Vitamin D
Step 2: Understand ADH. Antidiuretic hormone (ADH) is secreted by the posterior pituitary gland, not by kidneys. It acts on kidneys to regulate water reabsorption.
Step 3: Analyze options.
• (A) Erythropoietin → Secreted by kidney \checkmark
• (B) ADH → Not secreted by kidney \checkmark (Correct answer)
• (C) Renin → Secreted by kidney \checkmark
• (D) Calcitriol → Produced by kidney \checkmark
Step 4: Conclusion. \[ \text{Kidneys do NOT secrete ADH} \]
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