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Read the following statements and select the correct option.
Statement 1: The SA node acts as pacemaker.
Statement 2: The SA node is located in the wall of the right atrium near the inter-atrial septum.
Statement 1: The SA node acts as pacemaker.
Statement 2: The SA node is located in the wall of the right atrium near the inter-atrial septum.
- a)Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
- b)Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
- c)Assertion is correct but Reason is incorrect.
- d)Both Assertion and Reason are incorrect.
Correct answer is option 'C'. Can you explain this answer?
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Read the following statements and select the correct option.Statement ...
The heart beat originates from the SA node which acts a pacemaker. SA node lies in the wall of the right atrium near the opening of the superior vena cava.
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Read the following statements and select the correct option.Statement ...
Assertion: The SA node acts as pacemaker.
Reason: The SA node is located in the wall of the right atrium near the inter-atrial septum.
The correct option is (c) Assertion is correct but Reason is incorrect.
Explanation:
- The SA (sinoatrial) node is known as the natural pacemaker of the heart. It is responsible for initiating the electrical impulses that cause the heart to contract and pump blood.
- The SA node is located in the wall of the right atrium near the opening of the superior vena cava, not near the inter-atrial septum. The inter-atrial septum separates the right and left atria of the heart.
- The electrical impulses generated by the SA node spread through the atria and cause them to contract. The impulses then travel to the atrioventricular (AV) node, which is located in the inter-atrial septum, and from there to the ventricles, causing them to contract as well.
- The SA node is composed of specialized cells that have a unique ability to generate and conduct electrical impulses. These cells are known as pacemaker cells.
- The SA node is regulated by the autonomic nervous system, which can speed up or slow down the rate of impulses generated by the SA node depending on the body's needs.
Reason: The SA node is located in the wall of the right atrium near the inter-atrial septum.
The correct option is (c) Assertion is correct but Reason is incorrect.
Explanation:
- The SA (sinoatrial) node is known as the natural pacemaker of the heart. It is responsible for initiating the electrical impulses that cause the heart to contract and pump blood.
- The SA node is located in the wall of the right atrium near the opening of the superior vena cava, not near the inter-atrial septum. The inter-atrial septum separates the right and left atria of the heart.
- The electrical impulses generated by the SA node spread through the atria and cause them to contract. The impulses then travel to the atrioventricular (AV) node, which is located in the inter-atrial septum, and from there to the ventricles, causing them to contract as well.
- The SA node is composed of specialized cells that have a unique ability to generate and conduct electrical impulses. These cells are known as pacemaker cells.
- The SA node is regulated by the autonomic nervous system, which can speed up or slow down the rate of impulses generated by the SA node depending on the body's needs.
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Read the following statements and select the correct option.Statement 1: The SA node acts as pacemaker.Statement 2: The SA node is located in the wall of the right atrium near the inter-atrial septum.a)Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.b)Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.c)Assertion is correct but Reason is incorrect.d)Both Assertion and Reason are incorrect.Correct answer is option 'C'. Can you explain this answer?
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Read the following statements and select the correct option.Statement 1: The SA node acts as pacemaker.Statement 2: The SA node is located in the wall of the right atrium near the inter-atrial septum.a)Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.b)Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.c)Assertion is correct but Reason is incorrect.d)Both Assertion and Reason are incorrect.Correct 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 option.Statement 1: The SA node acts as pacemaker.Statement 2: The SA node is located in the wall of the right atrium near the inter-atrial septum.a)Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.b)Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.c)Assertion is correct but Reason is incorrect.d)Both Assertion and Reason are incorrect.Correct 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 option.Statement 1: The SA node acts as pacemaker.Statement 2: The SA node is located in the wall of the right atrium near the inter-atrial septum.a)Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.b)Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.c)Assertion is correct but Reason is incorrect.d)Both Assertion and Reason are incorrect.Correct answer is option 'C'. Can you explain this answer?.
Read the following statements and select the correct option.Statement 1: The SA node acts as pacemaker.Statement 2: The SA node is located in the wall of the right atrium near the inter-atrial septum.a)Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.b)Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.c)Assertion is correct but Reason is incorrect.d)Both Assertion and Reason are incorrect.Correct 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 option.Statement 1: The SA node acts as pacemaker.Statement 2: The SA node is located in the wall of the right atrium near the inter-atrial septum.a)Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.b)Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.c)Assertion is correct but Reason is incorrect.d)Both Assertion and Reason are incorrect.Correct 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 option.Statement 1: The SA node acts as pacemaker.Statement 2: The SA node is located in the wall of the right atrium near the inter-atrial septum.a)Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.b)Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.c)Assertion is correct but Reason is incorrect.d)Both Assertion and Reason are incorrect.Correct answer is option 'C'. Can you explain this answer?.
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