A slow ventricular heart rate can be seen in dysrhythmias where there is a rapid atrial rate because:
A) the AV node is blocked and not all the impulses are carried through to the ventricles.
B) there is excessive sympathetic nervous system stimulation of the AV node.
C) the atria fire and bombard the AV node so rapidly that not all the impulses are conducted through to the ventricles.
D) there is excessive parasympathetic nervous system stimulation of the ventricles.
Correct Answer:
Verified
Q1: Sinus bradycardia:
A) is a slow heart rate.
B)
Q2: In SA node arrest a slow heart
Q3: An escape pacemaker that arises from the
Q5: Sinus tachycardia:
A) is a fast rate, greater
Q6: Ventricular tachycardia has a rate of _
Q7: In atrial flutter and atrial fibrillation the
Q8: Premature beats:
A) appear in middle of the
Q9: Sinus arrest:
A) is seen as a regular
Q10: The rhythm is called slightly irregular when:
A)
Q11: The term _ is used to describe
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