Multiple Choice
Which of the following is NOT true of single-unit smooth muscle?
A) All cells receive autonomic stimulation.
B) It displays pacemaker activity.
C) It displays myogenic response to stretch.
D) Acetylcholine binds to muscarinic receptors and closes K+ channels.
Correct Answer:

Verified
Correct Answer:
Verified
Q30: What structure is composed of protein filaments
Q31: When a muscle cell generates tension but
Q32: What structures carry the action potentials into
Q33: Smooth muscle contraction requires the actions of
Q34: The specialized region of the sarcolemma at
Q36: Skeletal muscles at rest obtain most of
Q37: What is the lighter area in the
Q38: When skeletal muscle cells contract,they increase in
Q39: What protein primarily makes up the thick
Q40: The muscle spindle apparatus is associated with<br>A)extrafusal