For which of the following reason the SA node acts as the normal … - Vidyadip

MCQ

For which of the following reason the SA node acts as the normal pacemaker?

A
SA node has the lowest rate of depolarisation.
B
SA node is the only component to generate the threshold potential.
C
Only the SA node can convey the action potential to the other components.
✓
SA node has the highest rate of depolarisation.

✓

Answer

Correct option: D.

SA node has the highest rate of depolarisation.

D

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