Health Bangladesh Medical Science: ROUTINE FOR 1ST PROF

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[CVS] Q.11) What is AV nodal delay? Give its causes and importance:

Ans. Definition: AV node is responsible for the delay in transmission of impulse generated in SA node. This delay in impulse transmissio...
[RS] Q.13 Define vital capacity(VC), factors affecting vital capacity

Ans. Vital capacity: (FVC or FEV) The maximum amount of air that a person can expire forcefully after a forceful inspiration is ca...
[CVS] Q.8) Name the junctional tissues of the heart with rate of impulse generation:

Ans. Junctional tissues: Impulse generation/ min.: Sino-atrial node (SA node) 70-80 ...
[CVS] Q.10) Why AV node is called reserve pacemaker of the heart?

Ans. When SA node fails to generates impulse then AV node become the pace maker of the heart and generates impulse 40-60 impulse/min. So...
[CVS] Q.9) Why SA node is called pacemaker of the heart?

Ans. SA node generates the impulse at first. Rate of impulse generation is higher (70-80 impulse/ min.) than any other junctional tissue...

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