What is responsible for initiating contraction of smooth muscle?
A) Stimulation by motor neurons
B) Inhibition of acetylcholinesterase
C) Membrane potential drifting to threshold as a result of automatic changes in ion movement across the membrane
D) Excitation of the gap junctions by a transmitter substance
E) Stimulation by the autonomic nervous system
Correct Answer:
Verified
Q81: The stretch receptors in the central portion
Q82: Which of the following muscle types are
Q83: Spastic paralysis occurs when
A)descending excitatory pathways are
Q84: Stretch reflexes are important for
A)maintaining balance and
Q85: Select the correct statement regarding smooth muscle.
A)It
Q87: _ is not required for contraction of
Q88: Which statement is incorrect about smooth muscle?
A)It
Q89: During coactivation,
A)all muscle fibers in a skeletal
Q90: Choose the false statement about smooth muscle.
A)It
Q91: A functional syncytium
A)is a pair of antagonistic
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