Assertion: An artificial pacemaker can replace S.A. node (sinoatrial node) of heart. Reason: This is because, an artificial pacemaker is capable of stimulating the heart electrically to maintain its beats. (a) Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. (b) Both Assertion and Reason are true but Reason is not the correct explanation of the assertion. (c) Assertion is true but Reason is false. (c) Assertion is false but Reason is true.
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option a) is the correct answer in the following
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The correct answer is :
(a)'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion'.
Artificial pacemaker stimulates the heart electrically to sustain its beats at regular intervals. Therefore it replaces the SA node as the originator of the cardiac impulse.
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