Question:
Erythropoietin is produced by
Erythropoietin is produced by
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Remember: Erythropoietin is the key hormone regulating red blood cell production, mainly secreted by the kidney.
Updated On: Jun 19, 2026
- Liver
- Pancreas
- Kidney
- Spleen
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The Correct Option is C
Solution and Explanation
Step 1: Understanding Erythropoietin.
Erythropoietin (EPO) is a glycoprotein hormone responsible for stimulating red blood cell production in bone marrow.
Step 2: Site of production.
It is primarily secreted by specialized cells in the kidney (interstitial fibroblasts) in response to hypoxia.
Step 3: Mechanism.
Low oxygen levels in the blood trigger the kidneys to release EPO, which promotes the differentiation of hematopoietic stem cells into erythrocytes.
Step 4: Other organs.
While the liver produces small amounts of EPO during fetal development, the kidney is the main source in adults.
Step 5: Conclusion.
Thus, the correct answer is the kidney.
Erythropoietin (EPO) is a glycoprotein hormone responsible for stimulating red blood cell production in bone marrow.
Step 2: Site of production.
It is primarily secreted by specialized cells in the kidney (interstitial fibroblasts) in response to hypoxia.
Step 3: Mechanism.
Low oxygen levels in the blood trigger the kidneys to release EPO, which promotes the differentiation of hematopoietic stem cells into erythrocytes.
Step 4: Other organs.
While the liver produces small amounts of EPO during fetal development, the kidney is the main source in adults.
Step 5: Conclusion.
Thus, the correct answer is the kidney.
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