Multiple Choice
What is the purpose of motor nerve varicosities as they relate to smooth muscle?
A) They link the thin filaments to the inside of the sarcolemma in smooth muscle.
B) They reabsorb the decomposition products of acetylcholine after acetylcholinesterase breaks it down.
C) They enable each cardiomyocyte to directly stimulate its neighbors.
D) They release neurotransmitter molecules onto smooth muscle cells.
E) They prevent single-unit smooth muscle cells from pulling apart.
Correct Answer:
Verified
Correct Answer:
Verified
Q11: If one nerve stimulus arrives at a
Q44: Where would you expect to find numerous
Q45: A dark band formed by parallel thick
Q47: 80% of the lactate produced by skeletal
Q48: Which of the following best describes the
Q50: Which fibers are primarily responsible for producing
Q51: Which statement best describes the goal of
Q52: The process of engaging more motor units
Q53: Which of the following marks the boundaries
Q54: Skeletal muscle is called _,because it is