Which of the following events occurs first?
A) threshold
B) depolarization
C) early repolarization
D) final repolarization
E) pacemaker potential
Correct Answer:
Verified
Q47: Ventricular contraction begins at the
A) AV bundle.
B)
Q49: Action potentials pass from one myocardial cell
Q50: Which of the following phrases would apply
Q50: The cardiac electrical impulse normally begins spontaneously
Q51: Cardiac muscle cells
A)have smooth ER but no
Q52: When a pacemaker potential in the SA
Q52: The action potentials are slowed at the
Q56: Which of the following is a function
Q56: Calcium channel blockers are frequently used to
A)increase
Q58: Which of the following will depolarize immediately
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