What structures transmit the heart impulse from the av node to the ventricle?

Question

What structures transmit the heart impulse from the av node to the ventricle?

asked Jan 19, 2022 by anonymous

1 Answer

Answer :

Bundle of Hisatrioventicular bundle (bundle of his), right and left bundle bramches and the purkinge conducition fibers

answered Jan 19, 2022 by anonymous
selected Jan 19, 2022 by anonymous

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Which of the following ECG waveforms characterizes conduction of an electrical impulse through the left ventricle? a) QRS complex The QRS complex represents ventricular depolarization b) P wave The P wave is an ECG characteristic reflecting conduction of an electrical impulse through the atria. c) PR interval The PR interval is a component of an ECG tracing reflecting conduction of an electrical impulse through the AV node. d) QT interval The QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.

Description : Which of the following ECG waveforms characterizes conduction of an electrical impulse through the left ventricle? a) QRS complex The QRS complex represents ventricular depolarization b) P ... QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.

Last Answer : a) QRS complex The QRS complex represents ventricular depolarization

Assertion `:` Though AV node generates impulses, it is still not called as the pacemaker of heart. Reason `:` The rythmicity of impulse production is

Description : Assertion `:` Though AV node generates impulses, it is still not called as the pacemaker of heart. Reason `:` The rythmicity of impulse production is

Last Answer : Assertion `:` Though AV node generates impulses, it is still not called as the pacemaker of heart. ... . D. If both Assertion & Reason are false.

The correct route through which pulse-making impulse travels in the heart is (a) SA node → Purkinje fibres → bundle of His → AV node → heart muscles (b) SA node → AV node → bundle of His → Purkinje fibres → heart muscles(c) AV node → bundle of His → SA node → Purkinje fibres → heart muscles (d) AV node → SA node → Purkinje fibres → bundle of His → heart muscles.

Description : The correct route through which pulse-making impulse travels in the heart is (a) SA node → Purkinje fibres → bundle of His → AV node → heart muscles (b) SA node → AV node → bundle of His → Purkinje ... fibres → heart muscles (d) AV node → SA node → Purkinje fibres → bundle of His → heart muscles.

Last Answer : (b) SA node → AV node → bundle of His → Purkinje fibres → heart muscles

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When no atrial impulse is conducted through the AV node into the ventricles, the patient is said to be experiencing which type of AV block? a) Third degree In third degree heart block, two impulses stimulate the heart—one stimulates the ventricles and one stimulates the atria. b) First degree In first degree heart block, all the atrial impulses are conducted through the AV node into the ventricles at a rate slower than normal. c) Second degree, type I In second degree AV block, type I, all but one of the atrial impulses are conducted through the AV node into the ventricles. d) Second degree, type II In second degree AV block, type II, only some of the atrial impulses are conducted through the AV node into the ventricles.

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Last Answer : a) Third degree In third degree heart block, two impulses stimulate the heart—one stimulates the ventricles and one stimulates the atria.

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Description : Which of the following terms is used to describe a tachycardia characterized by abrupt onset, abrupt cessation, and a QRS of normal duration? a) Paroxysmal atrial tachycardia PAT ... fibrillation Atrial fibrillation causes a rapid, disorganized, and uncoordinated twitching of atrial musculature.

Last Answer : a) Paroxysmal atrial tachycardia PAT is often caused by a conduction problem in the AV node and is now called AV nodal reentry tachycardia.

Rate of heart beat is determined by (a) Purkinje fibres (b) papillary muscles (c) AV node (d) SA node.

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Last Answer : (d) SA node.

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What structures transmit the heart impulse from the av node to the ventricle?

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