The cardiac impulse is initiated and conducted further upto ventricular. The correct sequence of conduction of impulse is?

SA node, AV node, Purkinje fibre, AV bundle

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SA node, Purkinje fibre, AV node, AV bundle

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SA node, AV node, AV bundle, Purkinje fibre

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SA node, Purkinje fibre, AV bundle, AV node

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Solution

The correct option is C SA node, AV node, AV bundle, Purkinje fibre
The correct answer is option C.
Human heart is myogenic heart. It has a specialized tissue for initiation and conduction of the cardiac impulses. The cardiac impulse begins at the Sino-atrial node or SA node also called pace maker of the heart. From the SA node the impulse passes to the AV node and then Bundle of His or AV bundle and finally reaches Purkinje fibres.
so the correct order is SA node, AV node , AV bundle , Purkinje fibres.

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The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is
$\begin{matrix} (a) & S A N o d e & A V N o d e & P u r k i n j e f i b e r & A V B u n d l e (b) & S A N o d e & P u r k i n j e f i b e r & A V N o d e & A V B u n d l e (c) & S A N o d e & A V N o d e & A V B u n d l e & P u r k i n j e f i b e r (d) & S A N o d e & P u r k i n j e f i b e r & A V B u n d l e & A V N o d e \end{matrix}$

Q. Mark the odd one in each of the following series:
Purkinje fibres, AV bundle, AV valve, SA node.

Q. The purpose of the AV node is to _______ and the purpose of the Purkinje fibers is to _______.

Q. Which of the following conducts the impulse from AV node to the ventricles?

Q. AV node is found

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