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easyMCQNEET 2024 R1@NUM: 1752026Zoology
1 mark

Arrange the stages of conduction of an action potential through the heart in correct sequence:A. AV bundleB. Purkinje fibresC. AV nodeD. Bundle branchesE. SA node

  1. A
    A-E-C-B-D
  2. B
    B-D-E-C-A
  3. C
    E-A-D-B-C
  4. D
    E-C-A-D-B

Solution & Step-by-step Explanation

The pathway is:SA node (E) AV node (C) AV bundle (Bundle of His) (A) Bundle branches (D) Purkinje fibres (B).Sequence: E-C-A-D-B.

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Arrange the stages of conduction of an action potential through the heart in correct sequence:A. AV bundleB. Purkinje fibresC. AV nodeD. Bundle branchesE. SA node
A
A-E-C-B-D
B
B-D-E-C-A
C
E-A-D-B-C
D
E-C-A-D-B

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