Multiple Choice
Select the correct statement regarding smooth muscle.
A) It composes the walls of the heart.
B) It is absent in the walls of hollow organs.
C) Its cells are multinucleated.
D) Its cells are spindle-shaped.
E) Its cells lack actin and myosin.
Correct Answer:
Verified
Correct Answer:
Verified
Q302: The neurotransmitter called _ stimulates skeletal muscles
Q303: _ is not required for contraction of
Q304: Myosin is considered to be a regulatory
Q305: Twitch summation is similar to the _
Q306: Twitch summation<br>A)results from increases in cytosolic calcium
Q308: Indicate which characteristic applies to the specific
Q309: Indicate the characteristics of the muscle-tension receptors
Q310: Indicate which of the muscle proteins in
Q311: Muscle spindles consists of specialized muscle fibers
Q312: According to the sliding-filament mechanism, the<br>A)A bands