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Doctors use stethoscope to hear the sounds produced during each cardiac cycle.The second sound is heard when:
Options
(a) Ventricular wall vibrate due to gushing in of blood from atria
(b) Semilunar valves close down after the blood flows into vessels from ventricles
(c) AV node receives signal from SA node
(d) AV valves open up
Correct Answer:
Semilunar valves close down after the blood flows into vessels from ventricles
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The periderm includes
- Which one of the following is an example of carrying out biological control of
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Topics: Human Body Fluids and Excretory Products
(197)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The periderm includes
- Which one of the following is an example of carrying out biological control of
- Alginic is produced by
- Which hormone protects growth of lateral buds?
- In potato osmometer which of the following process is involved
Topics: Human Body Fluids and Excretory Products (197)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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