Compared to skeletal muscle, contraction of smooth muscle cells is
A) only a slower response to a stimulus.
B) only sustained without fatigue.
C) only controlled by the somatic nervous system.
D) a slower response to a stimulus and sustained without fatigue.
E) a slower response to a stimulus, sustained without fatigue, and controlled by the somatic nervous system.

Question

Quizplus · Accepted Answer

Smooth muscle cells have a slower response to a stimulus compared to skeletal muscle cells. However, they are also sustained without fatigue, meaning they can maintain their contraction for long periods of time without becoming tired. Smooth muscle contraction is not under conscious control and is instead controlled by the autonomic nervous system.

Compared to Skeletal Muscle, Contraction of Smooth Muscle Cells Is