Q.

Arrange the following in correct conduction sequence : 

I. AV node 

II. Bundle of His 

III. Purkinje fibres 

IV. SA node 

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a

IV → I → III → II 

b

II → I → IV → III 

c

I → II → IV → III 

d

IV → I → II → III

answer is B.

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Detailed Solution

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Conduction Pathway;

SAN  AVN  Bundle of His  Purkinje fibres

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