The depolarization of the pacemaker action potential spreads to adjacent cells through
A) gap junctions.
B) tight junctions.
C) chemical synapses.
D) desmosomes.
Correct Answer:
Verified
Q16: The term myogenic indicates that the heart
Q17: Which valves have chordae tendineae?
A) aortic and
Q18: Capillaries are best described as
A) microscopic vessels
Q19: In the 16th century, William Harvey discovered
Q20: As blood vessel length increases,
A) resistance increases
Q22: Stretching a myocardial cell
A) only decreases the
Q23: The action potential in a cardiac contractile
Q24: The rapid depolarization phase of the action
Q25: The medical term for heart attack is
A)
Q26: Autorhythmic cells
A) are also called pacemakers because
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