Multiple Choice
Which of the following correctly describes ectopic focus?
A) It is the place where an abnormally excitable area of the heart initiates a premature action potential.
B) It is the place where all the electrical impulses of the heart normally terminate.
C) It is the place where an ECG lead is attached on the outside of the chest.
D) It is the place where a heart valve is attached.
Correct Answer:

Verified
Correct Answer:
Verified
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