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Author Question: After leaving the area of the AV node, impulses go through the ________ to reach the right and left ... (Read 1800 times)

itsmyluck

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Which of the following best explains the mechanism called irritability?
◦ The normal pacemaker slows down and gives up control.
◦ The normal pacemaker changes its inherent rate.
◦ A lower pacemaker site speeds up to take control of the heart.
◦ The ventricles repolarize before they are ready.


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pallen55

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A lower pacemaker site speeds up to take control of the heart.



itsmyluck

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pallen55

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Always glad to help...



melly21297

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Which of the following does NOT happen when the sympathetic branch is stimulated?
◦ Impulses go faster through the AV node.
◦ Heart rate increases.
◦ The heart becomes more irritable.
◦ Ventricular conduction slows down.



Chocorrol77

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Ventricular conduction slows down.



panfilo

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When an EKG machine is turned on but not yet connected to the patient, the stylus produces a straight line called the ________ line.
◦ equal force
◦ isoelectric
◦ straight
◦ standard





Andromeda18

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