Which statement concerning pacemaker activity is correct?
A) refers to spontaneous depolarizations of the membrane resulting from shifts in passive ionic fluxes accompanying automatic changes in channel permeability.
B) refers to spontaneous depolarizations of the membrane due to cyclical changes in Na+- K+ pump activity.
C) It is characteristic of single-unit smooth muscle but not found in any other muscle type.
D) It is characteristic of multiunit muscle but not found in any other muscle type
Correct Answer:
Verified
Q86: Which of these muscle types is striated
Q107: A single muscle cell is known as
Q109: Which statement is correct for Gap junctions?
A)
Q110: Which statement concerning smooth muscle is INCORRECT?
A)
Q111: What initiates contraction of smooth muscle?
A) stimulation
Q112: What happens when an action potential reaches
Q114: Which statement regarding contraction in skeletal and
Q115: Which of these types of muscle cells
Q117: Which of these muscles have motor units
Q118: What is the result of a lack
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