A football player goes from his native Miami (sea level) to play in Denver (mile
high altitude), where the oxygen concentration of the air is decreased
compared to his home. What will happen to his heart rate and cardiac output
initially until he acclimates to the new environment?
a.) His heart rate and cardiac output will decrease.
b.) His heart rate and cardiac output will increase.
c.) His heart rate will decrease, but his cardiac output will remain the
same.
d.) His heart rate will remain the same, but his cardiac output will
O
increase.

Question

09-06-2024
Health

Answered

A football player goes from his native Miami (sea level) to play in Denver (mile
high altitude), where the oxygen concentration of the air is decreased
compared to his home. What will happen to his heart rate and cardiac output
initially until he acclimates to the new environment?
a.) His heart rate and cardiac output will decrease.
b.) His heart rate and cardiac output will increase.
c.) His heart rate will decrease, but his cardiac output will remain the
same.
d.) His heart rate will remain the same, but his cardiac output will
O
increase.

Answer :

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GinnyAnswer GinnyAnswer · Answer 1 · 2024-06-09T17:32:06-04:00

Final answer:

When a football player goes from Miami to Denver, his heart rate and cardiac output will initially increase due to the lower oxygen concentration at higher altitudes.

Explanation:

Initially, when a football player goes from Miami (sea level) to Denver (mile-high altitude), his heart rate and cardiac output will increase due to the decreased oxygen concentration in the air. This is a compensatory physiological response to the lower oxygen levels at higher altitudes. The body tries to supply more oxygen to tissues by increasing heart rate and cardiac output.

Learn more about High-altitude physiological effects here:

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