Question
Usten
Which of the following are components of the conduction system of the heart (choose all that apply)?
A) bicuspid valve
B) Purkinje Fibers
C) atrioventricular septum
D) atrioventricular node
E) Bundle of His/atrioventricular bundle
F) chordae tendinae
G) sinoatrial node
H) papillary muscles
A) bicuspid valve
B) Purkinje Fibers
C) atrioventricular septum
D) atrioventricular node
E) Bundle of His/atrioventricular bundle
F) chordae tendinae
G) sinoatrial node
H) papillary muscles
Ask by Tran Edwards. in the United States
Mar 30,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The components of the heart’s conduction system are Purkinje Fibers, Atrioventricular node, Bundle of His/atrioventricular bundle, and Sinoatrial node.
Solution
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Identify the components that are part of the heart’s conduction system:
- The conduction system includes structures that generate and propagate electrical impulses. These structures are:
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- The conduction system includes structures that generate and propagate electrical impulses. These structures are:
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Evaluate each option:
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A) Bicuspid valve:
This is another name for the mitral valve, which regulates blood flow but is not involved in electrical conduction. -
B) Purkinje Fibers:
These fibers conduct impulses throughout the ventricular myocardium and are a key part of the conduction system. -
C) Atrioventricular septum:
This is a structure of the heart’s anatomy that separates the atria and the ventricles. It is not a direct component of the electrical conduction system. -
D) Atrioventricular node:
This node delays the impulse before it is transmitted to the ventricles and is an essential part of the conduction system. -
E) Bundle of His/atrioventricular bundle:
This bundle carries impulses from the AV node to the Purkinje fibers and is a critical component of the conduction system. -
F) Chordae tendinae:
These are tendinous cords that attach the valve leaflets to the papillary muscles; they have no role in conduction. -
G) Sinoatrial node:
This is the natural pacemaker of the heart responsible for initiating electrical impulses. -
H) Papillary muscles:
These muscles anchor the chordae tendinae and help in valve function but are not part of the conduction system.
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Final Answer:
The components of the conduction system of the heart are: -
Answered by UpStudy AI and reviewed by a Professional Tutor
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Simplify this solution Beyond the Answer
Let’s dive into the heart’s conduction system! The conduction system includes specialized structures that help coordinate the heartbeat. The key players are the Purkinje Fibers (B), which rapidly distribute electrical impulses to the ventricles; the atrioventricular node (D), which acts as a gatekeeper between the atria and ventricles; the Bundle of His/atrioventricular bundle (E), which carries signals from the AV node to the ventricles; and the sinoatrial node (G), the pacemaker of the heart that initiates the heartbeat.
To put it all together, the heart’s conduction system ensures our ticker beats in harmony, keeping us on our toes! Common mistakes include confusing conduction components with heart valves or muscle structures, like the bicuspid valve (A) or chordae tendinae (F), which are involved in heart function but not in the conduction process. So, it’s easy to get tangled up if you mix up their roles!
