Question

Question 2 10 pts Choose the best answer for the statements below. 1. Also known as the bundle of His. [Select] 2. A collection of specialized cardiac muscle cells in the superior wall of the right atrium. [Select] 3. Electrical fibers located in the heart apex. [Select] 4. Also known as the pacemaker cells. [Select] 5. Connecting pathways that take the electrical impulse that is generated on the right atrium to the left atrium. [Select] 6. Bundle of cardiac muscle cells that conducts impulses from the atrioventricular node to the walls of the right and left ventricles. [Select] 7. Specialized mass of conducting cells located in the interatrial septum of the heart. [Select] 8. Branched fibers that carry the electrical impulse to the ventricles. [Select] 9. Located in the beginning of the interventricular septum. [Select] 10. Connecting pathways that form a direct connection between the sinoatrial node and the atrioventricular node in the right atrium of the heart. [Select]

          Question 2
10 pts
Choose the best answer for the statements below.
1. Also known as the bundle of His. [Select]
2. A collection of specialized cardiac muscle cells in the superior wall of the right atrium.
[Select]
3. Electrical fibers located in the heart apex. [Select]
4. Also known as the pacemaker cells. [Select]
5. Connecting pathways that take the electrical impulse that is generated on the right atrium
to the left atrium. [Select]
6. Bundle of cardiac muscle cells that conducts impulses from the atrioventricular node to
the walls of the right and left ventricles. [Select]
7. Specialized mass of conducting cells located in the interatrial septum of the heart.
[Select]
8. Branched fibers that carry the electrical impulse to the ventricles.
[Select]
9. Located in the beginning of the interventricular septum. [Select]
10. Connecting pathways that form a direct connection between the sinoatrial node and the
atrioventricular node in the right atrium of the heart. [Select]

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question 2 10 pts choose the best answer for the statements below 1 also known as the bundle of his select 2 a collection of specialized cardiac muscle cells in the superior wall of the righ 84708

Added by Ashley C.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

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Solved by Expert Sri K

06/18/2023

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Question 2 10 pts Choose the best answer for the statements below. 1. Also known as the bundle of His. [Select] 2. A collection of specialized cardiac muscle cells in the superior wall of the right atrium. [Select] 3. Electrical fibers located in the heart apex. [Select] 4. Also known as the pacemaker cells. [Select] 5. Connecting pathways that take the electrical impulse that is generated on the right atrium to the left atrium. [Select] 6. Bundle of cardiac muscle cells that conducts impulses from the atrioventricular node to the walls of the right and left ventricles. [Select] 7. Specialized mass of conducting cells located in the interatrial septum of the heart. [Select] 8. Branched fibers that carry the electrical impulse to the ventricles. [Select] 9. Located in the beginning of the interventricular septum. [Select] 10. Connecting pathways that form a direct connection between the sinoatrial node and the atrioventricular node in the right atrium of the heart. [Select]

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Transcript

00:01 Hello everyone, in this question we have been asked that which of the following does not contain the autorhythmic cells.

00:10 The autorhythmic cells serve as the pacemaker to initiate the cardiac cycle, pumping cycle of the heart and provide a conduction system to coordinate the contraction of muscle cell throughout the heart and these are located in the sinoatrial or sinus node, the atrioventricular node.

00:37 So here from the options it will be the option e that is ab valves.

00:46 The interatrial pathway is used to transfer the excitation to left atrium.

00:52 So this here does not contain the autorhythmic cells.

00:57 Then in the next question it says that how do autorhythmic cells contribute to the myogenic properties of the heart.

01:05 So basically the purkinje fibers activate the ventricular systole and these play the important role in electrical conduction and propagation of impulse to the ventricular muscle and in this way the myogenic property of the heart is seen.

01:25 So here our right answer will be option a and then in the next question it says that which of the following condition would not lead to a heart murmur.

01:38 So heart murmur is basically the condition which have causes that aren't due to the underlying diseases like the turbulence resulting in a flow murmur or thickening of the aortic valve that occurs with aging.

01:53 So heart murmur is basically a sign of serious heart condition and there can be turbulence resulting in a flow murmur or thickening of the aortic valve that occurs with aging.

02:05 So here the stenosis that is the hardening of the mitral valve might cause the heart murmur.

02:12 The hole in the heart can also cause this.

02:14 There is only bradycardia which will not cause the heart murmur...

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