You have just moved from Norfolk, Virginia (sea level), to Taos, New Mexico (high in the mountains), and you find yourself out of breath climbing a small hill. Three months later, climbing the same hill, you have no difficulty. In the interim you have not altered your level of activity or diet. Which hormone has been at work?
A) angiotensin
B) erythropoietin
C) aldosterone
D) estrogen
E) anti-diuretic hormone

Question

Quizplus · Accepted Answer

Erythropoietin is the hormone responsible for stimulating the production of red blood cells, which increases oxygen-carrying capacity in response to high altitudes where oxygen levels are lower.

You Have Just Moved from Norfolk, Virginia (Sea Level), to Taos