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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: - Earth originated approximately
- The annular and spirally thickened conducting elements generally develop in the protoxylem
- Yeast belongs to which of the following classes
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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
- Earth originated approximately
- The annular and spirally thickened conducting elements generally develop in the protoxylem
- Yeast belongs to which of the following classes
- Which one of the following statements is correcty with respect to kidney
- Urinary bladder opens to exterior through
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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