All skeletal muscle fibres are both
A)smooth and under involuntary control.
B)smooth and operate independently of other skeletal muscle fibres.
C)striated and under voluntary control.
D)smooth and under voluntary control.
E)striated and electrically coupled to neighbouring fibres.

Question

Quizplus · Accepted Answer

Skeletal muscle fibres are striated (having a striped appearance due to a regular arrangement of contractile proteins) and under voluntary control (controlled by conscious effort). Smooth muscle fibres, on the other hand, are non-striated and typically under involuntary control. The statement about independence in option B is also incorrect - skeletal muscle fibres operate in parallel bundles, not independently.

All Skeletal Muscle Fibres Are Both