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USMLE Exam Prep

Category - Free USMLE Practice Test Questions

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Which muscle fibers are aligned vertically in the body?

Transverse
Diagonal
Rectus
Superior

Explanation

Answer: C - Rectus muscle fibers are aligned vertically in the body.
They are parallel to the axis of the body. One example would be rectus abdominus. The direction of the fibers is relative to the action of the muscles.

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