Question:
Which hormone stimulates red blood cell production:
Which hormone stimulates red blood cell production:
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Erythropoietin is the key hormone for stimulating red blood cell production, secreted primarily by the kidneys in response to low oxygen levels.
Updated On: Mar 5, 2026
- Vasopressin
- Erythropoietin
- Erythrocytin
- Prolactin
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The Correct Option is B
Solution and Explanation
Step 1: Understanding erythropoiesis. Erythropoiesis is the process of red blood cell (RBC) production, which occurs in the bone marrow. This process is stimulated by the hormone erythropoietin.
Step 2: Role of erythropoietin. Erythropoietin is secreted by the kidneys in response to low oxygen levels (hypoxia) in the blood. It acts on the bone marrow to increase the production of RBCs, thereby improving oxygen-carrying capacity.
Step 3: Why other options are incorrect.
- (A) Vasopressin: Also known as antidiuretic hormone (ADH), it regulates water balance and blood pressure but does not stimulate RBC production.
- (C) Erythrocytin: This is not a recognized hormone.
- (D) Prolactin: Involved in lactation and other functions but unrelated to erythropoiesis.
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