A functional syncytium
A) refers to a pair of antagonistic muscles that function together to move a joint in two opposite directions
B) can be excited to contract as a unit because action potentials can be conducted from one cell to adjacent cells through gap junctions
C) refers to the functional junction between a smooth muscle fiber and an autonomic nerve ending
D) all of these
E) none of these
Correct Answer:
Verified
Q78: Fast-glycolytic (type IIx) muscle fibers
A) have high
Q79: Myoglobin
A) can store small amounts of O2
B)
Q80: When a muscle atrophies:
A) The muscle fibers
Q81: Multi-unit smooth muscle is
A) neurogenically activated
B) under
Q82: The stretch receptors in the central portion
Q84: Which of the following muscle types are
Q85: Which statement is incorrect?
A) Smooth muscle can
Q86: Stretch reflexes are important
A) for maintaining balance
Q87: Pacemaker activity
A) refers to spontaneous depolarizations of
Q88: Which is not characteristic of smooth muscle?
A)
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