Single Answer MCQ
Q-00045875
What effect does physical exercise have on the respiratory rate?
1
It decreases significantly
2
It can increase during activity
3
It remains constant
4
It causes shortness of breath
Answer and Solution
Answer
B. It can increase during activity
Solution:
Physical exercise generally increases the respiratory rate to meet the heightened oxygen demand of the muscles. Other options do not accurately reflect typical physiological responses during exercise.
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