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Single Answer MCQ
Q-00045874

Which change in the respiratory system is commonly observed in athletes?

1

Increased heart rate

2

Higher hemoglobin levels

3

Decreased tidal volume

4

Lower oxygen uptake efficiency

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Sandeep Chaturvedi

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Answer and Solution

Answer

B. Higher hemoglobin levels

Solution:

Athletes often show higher hemoglobin levels due to increased red blood cell production, which improves oxygen transport during physical exertion. The other options describe incorrect physiological responses.

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