Fundamentholfundamenthol
NEET2024Biology
Q.

Following are the stages of pathway for conduction of an action potential through the heart:

A. AV bundle
B. Purkinje fibres
C. AV node
D. Bundle branches
E. SA node

Choose the correct sequence of pathway from the options given below:

  1. A

    B-D-E-C-A

  2. B

    E-A-D-B-C

  3. C

    E-C-A-D-B

  4. D

    A-E-C-B-D

Solution

The cardiac impulse originates at the SA node and travels: SA node AV node AV bundle (bundle of His) Bundle branches Purkinje fibres. This is E-C-A-D-B.

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