What is the heart's response to stimulation of the vagus nerve?
A) It beats more regularly.
B) It contracts with greater force.
C) It speeds up.
D) It slows down.
Correct Answer:
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Q21: Depolarization of the cells causes the heart
Q22: The AV node has several important functions
Q23: The volume of blood ejected with each
Q24: The T wave represents:
A)atrial contraction.
B)atrial relaxation.
C)ventricular contraction.
D)ventricular
Q25: The P wave represents:
A)atrial contraction.
B)atrial relaxation.
C)ventricular contraction.
D)ventricular
Q27: When the sympathetic branch of the ANS
Q28: The primary pacemaker of a normal heart,
Q29: The function of the bundle branches is
Q30: The ability of the heart muscle cells
Q31: The "lubb" and "dupp" sounds you hear
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