Question
Intrinsic control of heartbeat rate involves what mechanism(s)?
a) The AV node initiates heartbeat although the SA node can generate a slower beat rate.
b) The atrioventricular bundle initiates signals that travel to the Purkinje fibers.
c) The SA node initiates heartbeat although the AV node can generate a slower beat rate.
d) The SA node initiates heartbeat and the AV node inhibits the heartbeat.
a) The AV node initiates heartbeat although the SA node can generate a slower beat rate.
b) The atrioventricular bundle initiates signals that travel to the Purkinje fibers.
c) The SA node initiates heartbeat although the AV node can generate a slower beat rate.
d) The SA node initiates heartbeat and the AV node inhibits the heartbeat.
Answers
Anonymous
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