alleryStart learning →The kidneys release erythropoietin in response to what?
ALow blood calcium levels
BHigh blood sodium levels
CLow blood oxygen levels
DHigh blood glucose levels
Answer & Solution
Correct answer: C. Low blood oxygen levels
1. The kidneys have several endocrine roles besides filtering blood.
2. When oxygen levels are low they produce erythropoietin.
3. Erythropoietin stimulates the bone marrow to make red blood cells, so oxygen delivery to tissues rises.
4. Low blood calcium is handled by parathyroid hormone and calcitriol instead, and blood glucose is a pancreatic matter.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 17 "The Endocrine System", section 17.10 Organs with Secondary Endocrine Functions_
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