Which of the following is true about smooth muscle?
A) Smooth muscle has well-developed T tubules at the site of invagination.
B) Certain smooth muscle cells can actually divide to increase their numbers.
C) Smooth muscle cannot stretch as much as skeletal muscle.
D) Smooth muscle, in contrast to skeletal muscle, cannot synthesize or secrete any connective tissue elements.

Question

Quizplus · Accepted Answer

Certain smooth muscle cells have the ability to divide and increase their numbers, a characteristic not seen in skeletal muscle. A) is false as smooth muscle has very few T tubules, and they are not as developed as in skeletal muscle. C) is false as smooth muscle can stretch much further than skeletal muscle due to its ability to maintain force over a wider range of lengths. D) is false as smooth muscle can synthesize and secrete connective tissue elements such as collagen and elastin.

Which of the Following Is True About Smooth Muscle