MCQ
Which one is the correct route through which pulse making impulse travels in the heart
  • A
    $SA$ node $ \to $ Purkinje fibres $ \to $ Bundle of His $ \to $ $AV$ node $ \to $ Heart muscles
  • B
    $AV$ node $ \to $ $SA$ node $ \to $ Purkinje fibres $ \to $ Bundle of His $ \to $ Heart muscles
  • C
    $AV$ node $ \to $ Bundle of His $ \to $ $SA$ node $ \to $ Purkinje fibres $ \to $ Heart muscles
  • $SA$ node $ \to $ $ AV$ node $ \to $ Bundle of His $ \to $ Purkinje fibres $ \to $ Heart muscles

Answer

Correct option: D.
$SA$ node $ \to $ $ AV$ node $ \to $ Bundle of His $ \to $ Purkinje fibres $ \to $ Heart muscles
d
It’s obvious.
 

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