Single Answer MCQ
Q-00020040
Which of the following describes the change in muscle fibers due to regular exercise?
1
Decrease in fiber density
2
Change in size and shape
3
Complete loss of fibers
4
No observable changes
Answer and Solution
Answer
B. Change in size and shape
Solution:
Regular exercise causes muscle fibers to change in size and shape, leading to an overall increase in muscle mass. Options 1, 3, and 4 are incorrect interpretations of these effects.
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