Question

Which one is the correct route through which pulse making impulse travels in the heart

• A. SA node $\rightarrow$ Purkinje fibres $\rightarrow$ Bundle of His $\rightarrow$ AV node $\rightarrow$ Heart muscles
• B. AV node $\rightarrow$ SA node $\rightarrow$ Purkinje fibres $\rightarrow$ Bundle of His $\rightarrow$ Heart muscles
• C. AV node $\rightarrow$ Bundle of His $\rightarrow$ SA node $\rightarrow$Purkinje fibres $\rightarrow$ Heart muscles
• D. SA node $\rightarrow$ AV node $\rightarrow$ Bundle of His $\rightarrow$Purkinje fibres $\rightarrow$ Heart muscles

Answer 1

Answer: (D)

SA node $\rightarrow$ AV node $\rightarrow$ Bundle of His

$\rightarrow$Purkinje fibres $\rightarrow$ Heart muscles