Which statement about smooth muscle is true?
A) Smooth muscle is not under nervous system control.
B) Smooth muscle cells are multinucleated.
C) Smooth muscle appears striated when viewed with the microscope.
D) Gap junctions are uncommon in smooth muscle.
E) Actin and myosin are responsible for the contraction of smooth muscle.

Question

Quizplus · Accepted Answer

Actin and myosin are responsible for the contraction of smooth muscle. Smooth muscle is innervated by the autonomic nervous system, making statement A false. Smooth muscle cells are uninucleated, making statement B false. Smooth muscle appears non-striated when viewed with the microscope, making statement C false. Gap junctions are common in smooth muscle, making statement D false.

Which Statement About Smooth Muscle Is True