An increase in heart rate primarily begins with stimulation of which part of the conduction system?
A) Purkinje fibers
B) Bundle of HIS
C) AV node
D) SA node
Correct Answer:
Verified
Q5: Repolarization of the ventricles occurs in the:
A)
Q6: The right atrium receives blood from the:
A)
Q7: Excitation and contraction of the heart occurs
Q8: The P wave on an ECG corresponds
Q9: Dead muscle cells are replaced with connective
Q11: The SA node increases heart rate from
Q12: Insufficient blood flow in coronary arteries to
Q13: What region of the heart is responsible
Q14: What regulates the rate and force of
Q15: The parasympathetic nervous system has _ effect
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