NURSING EXAM QUESTIONS
PATHOLOGY AND GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cells doesn’t need to be re-polarised before next impulse in heart beat.
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Purkinje fibers They send electrical signals very quickly to your right and left heart ventricles. Your Purkinje fibers are in the subendocardial surface of your ventricle walls.
Detailed explanation-2: -Depolarization is the fundamental electrical event of the heart. In some cells, known as pacemaker cells, it occurs spontaneously.
Detailed explanation-3: -The sinus node continuously generates electrical impulses, thereby setting the normal rhythm and rate in a healthy heart. Hence, the SA node is referred to as the natural pacemaker of the heart.
There is 1 question to complete.