Multiple Choice
The __________ control(s) the rate of heart contraction by initiating contractions 60 to 100 times a minute.
A) AV node
B) SA node
C) bundle of His
D) Purkinje fibers
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q80: During the diastole cardiac cycle, which of
Q81: Patients with a history of V-fib may
Q82: The SA node stimulates both atria to
Q83: Which cardiac diagnostic tool requires the patient
Q84: PVCs are recorded when the ventricles depolarize
Q85: Which of the following leads is placed
Q87: Electron beam tomography helps screen for cardiac
Q88: The precordial, or chest, leads are _
Q89: Which of the following is the most
Q90: The P wave occurs during the contraction