A nurse is observing the rhythm of a client in 1st degree AV block and is explaining to a student nurse the reason for the delay, which is which of the following?
a. The purkinje fibers are delaying the conduction
b. The sinus node is firing at a slower rate
c. The AV node is sending less signals to the ventricles
d. The AV node delays the response to the ventricles
d. The AV node delays the response to the ventricles
rationale: The AV node is delaying the impulse.
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