What Is Erythropoietin (EPO) and How Is It Secreted

question 36

Multiple Choice

What is erythropoietin (EPO) and how is it secreted?

• A) It is secreted by the kidneys in response to low oxygen levels.
• B) It is secreted by the liver in response to low hemoglobin levels.
• C) It is secreted by bone marrow in response to decreasing numbers of red blood cells.
• D) It is secreted by the spleen in response to an increased number of damaged red blood cells.

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Definitions:

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