Cells that spontaneously depolarize from resting membrane potential to threshold potential
A) are called pacemaker cells.
B) normally "live" within the chordae tendineae.
C) are restricted to the SA node.
D) are stored within the pericardium.
Correct Answer:
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Q48: Which of the following is true of
Q49: Which group is incorrect?
A)Semilunar valves: pulmonic,aortic
B)Atrioventricular valves:
Q50: The semilunar valves
A)receive blood from the contracting
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Q55: S₂ is
A)caused by the closure of the
Q56: Which of the following is least descriptive
Q57: Which of the following is not considered
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