MEDICAL
HEART AND PERICARDIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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SA node is known by this name as it control the rate of the heartbeat
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AV node
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Purkinje fibers
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SV node
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pacemaker
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Explanation:
Detailed explanation-1: -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.
Detailed explanation-2: -Sino-atrial node is called the pacemaker of our heart.
Detailed explanation-3: -The cells of the SA node at the top of the heart are known as the pacemaker of the heart because the rate at which these cells send out electrical signals determines the rate at which the entire heart beats (heart rate).
Detailed explanation-4: -The SA node is normally the dominant, driving pacemaker because it has the highest intrinsic rate of spontaneous automaticity.
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