Artificial pacemaker is implanted subcutaneously for correcting ______________.
A
90% blockage of coronary arteries
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B
High blood pressure
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C
Arteriosclerosis
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D
Irregularity of heart rhythm
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Solution
The correct option is D Irregularity of heart rhythm The job of a artificial pacemaker is to artificially take over the role of heart's sinus node if it isn't working properly. Electrical impulses are sent by the artificial pacemaker to stimulate the heart to contract and regulate the rhythm of the heartbeat.