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Read the following statements and select the correct ones.
(i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli
(ii) Position of SAN - right corner of right atrium
(iii) Position of AVN - right corner of ventricle
(iv) AV bundle continues from AVN
(v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.
(i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli
(ii) Position of SAN - right corner of right atrium
(iii) Position of AVN - right corner of ventricle
(iv) AV bundle continues from AVN
(v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.
- a)(i) and (ii)
- b)(i) and (iii)
- c)(ii), (iv) and (v)
- d)all of these
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Read the following statements and select the correct ones.(i) Nodal ti...
SAN (sino-atrial node) is located in the right upper y corner of right atrium. AV bundle continues from AVN (Atrio-ventricular node). Purkinje fibres are modified cardiac muscle fibres that originate from AV node and spread into two ventricles. The nodal musculature has the ability to generate action potential without any external stimuli i.e. it is autoexcitable. AVN is located in the lower left corner of the right atrium close to the atrio-ventricular septum.
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Read the following statements and select the correct ones.(i) Nodal ti...
Position of SAN and AVN in the Human Heart
Nodal tissue is specialized cardiac musculature in the human heart that plays a crucial role in generating and coordinating the electrical signals responsible for the heartbeat. Let's examine the given statements and identify the correct ones.
(i) Nodal tissue is specialized cardiac musculature in the human heart which has the ability to generate action potential due to an external stimulus.
- This statement is correct. The nodal tissue, specifically the sinoatrial node (SAN) and atrioventricular node (AVN), are responsible for generating and conducting electrical impulses throughout the heart.
(ii) Position of SAN - right corner of right atrium.
- This statement is correct. The SAN is located in the right corner of the right atrium, near the opening of the superior vena cava.
(iii) Position of AVN - right corner of ventricle.
- This statement is incorrect. The AVN is located at the base of the right atrium, near the interatrial septum, and not in the right corner of the ventricle.
(iv) AV bundle continues from AVN.
- This statement is correct. The atrioventricular bundle, also known as the bundle of His, is a continuation of the electrical pathway from the AVN. It extends through the interventricular septum and divides into the right and left bundle branches, which further distribute the electrical signals to the respective ventricles.
(v) Purkinje fibers are modified cardiac muscle fibers that originate from the atrioventricular node and spread into the two ventricles.
- This statement is correct. Purkinje fibers are specialized conducting fibers that originate from the AVN and spread throughout the walls of the ventricles. They facilitate the rapid and synchronized contraction of the ventricles.
In conclusion, the correct statements are (ii), (iv), and (v). The SAN is indeed located in the right corner of the right atrium, the AV bundle continues from the AVN, and Purkinje fibers originate from the AVN and spread into the two ventricles.
Nodal tissue is specialized cardiac musculature in the human heart that plays a crucial role in generating and coordinating the electrical signals responsible for the heartbeat. Let's examine the given statements and identify the correct ones.
(i) Nodal tissue is specialized cardiac musculature in the human heart which has the ability to generate action potential due to an external stimulus.
- This statement is correct. The nodal tissue, specifically the sinoatrial node (SAN) and atrioventricular node (AVN), are responsible for generating and conducting electrical impulses throughout the heart.
(ii) Position of SAN - right corner of right atrium.
- This statement is correct. The SAN is located in the right corner of the right atrium, near the opening of the superior vena cava.
(iii) Position of AVN - right corner of ventricle.
- This statement is incorrect. The AVN is located at the base of the right atrium, near the interatrial septum, and not in the right corner of the ventricle.
(iv) AV bundle continues from AVN.
- This statement is correct. The atrioventricular bundle, also known as the bundle of His, is a continuation of the electrical pathway from the AVN. It extends through the interventricular septum and divides into the right and left bundle branches, which further distribute the electrical signals to the respective ventricles.
(v) Purkinje fibers are modified cardiac muscle fibers that originate from the atrioventricular node and spread into the two ventricles.
- This statement is correct. Purkinje fibers are specialized conducting fibers that originate from the AVN and spread throughout the walls of the ventricles. They facilitate the rapid and synchronized contraction of the ventricles.
In conclusion, the correct statements are (ii), (iv), and (v). The SAN is indeed located in the right corner of the right atrium, the AV bundle continues from the AVN, and Purkinje fibers originate from the AVN and spread into the two ventricles.
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Read the following statements and select the correct ones.(i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli(ii) Position of SAN - right corner of right atrium(iii) Position of AVN - right corner of ventricle(iv) AV bundle continues from AVN(v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.a)(i) and (ii)b)(i) and (iii)c)(ii), (iv) and (v)d)all of theseCorrect answer is option 'C'. Can you explain this answer?
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Read the following statements and select the correct ones.(i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli(ii) Position of SAN - right corner of right atrium(iii) Position of AVN - right corner of ventricle(iv) AV bundle continues from AVN(v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.a)(i) and (ii)b)(i) and (iii)c)(ii), (iv) and (v)d)all of theseCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Read the following statements and select the correct ones.(i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli(ii) Position of SAN - right corner of right atrium(iii) Position of AVN - right corner of ventricle(iv) AV bundle continues from AVN(v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.a)(i) and (ii)b)(i) and (iii)c)(ii), (iv) and (v)d)all of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the following statements and select the correct ones.(i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli(ii) Position of SAN - right corner of right atrium(iii) Position of AVN - right corner of ventricle(iv) AV bundle continues from AVN(v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.a)(i) and (ii)b)(i) and (iii)c)(ii), (iv) and (v)d)all of theseCorrect answer is option 'C'. Can you explain this answer?.
Read the following statements and select the correct ones.(i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli(ii) Position of SAN - right corner of right atrium(iii) Position of AVN - right corner of ventricle(iv) AV bundle continues from AVN(v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.a)(i) and (ii)b)(i) and (iii)c)(ii), (iv) and (v)d)all of theseCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Read the following statements and select the correct ones.(i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli(ii) Position of SAN - right corner of right atrium(iii) Position of AVN - right corner of ventricle(iv) AV bundle continues from AVN(v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.a)(i) and (ii)b)(i) and (iii)c)(ii), (iv) and (v)d)all of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the following statements and select the correct ones.(i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli(ii) Position of SAN - right corner of right atrium(iii) Position of AVN - right corner of ventricle(iv) AV bundle continues from AVN(v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.a)(i) and (ii)b)(i) and (iii)c)(ii), (iv) and (v)d)all of theseCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Read the following statements and select the correct ones.(i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli(ii) Position of SAN - right corner of right atrium(iii) Position of AVN - right corner of ventricle(iv) AV bundle continues from AVN(v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.a)(i) and (ii)b)(i) and (iii)c)(ii), (iv) and (v)d)all of theseCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for NEET.
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