PHYSIOLOGY
CARDIOVASCULAR PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Low levels of oxygen in the blood stimulate the kidneys to release the hormone ____
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erythropoietin
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adrenalin
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insulin
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epinephrine
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Explanation:
Detailed explanation-1: -The kidneys and liver produce erythropoietin when oxygen levels in the cells are low. The hormone then stimulates the bone marrow, which, in turn, makes more red blood cells. It is normal for a small amount of erythropoietin to circulate in the blood, as this helps replenish the body’s natural blood stores.
Detailed explanation-2: -The glycoprotein hormone erythropoietin (EPO) counteracts tissue hypoxia by increasing the systemic oxygen-carrying capacity. It induces augmentation of red blood cell mass by stimulating the formation and differentiation of erythroid precursor cells in the bone marrow.
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