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The first heart sound is associated with...

The first heart sound is associated with `:-`

A

Closure of the semilunar valves

B

Closure of the tricuspid and Bicuspid valves

C

Opening of the semilunar valves

D

Opening of the Eustachian valve

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The correct Answer is:
B
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The first heart sound lubb' is associated with

Read the following statement and choose the correct option. A. The first heart sound (lub) is associated with the closure of both semilunar valves. The duration between the adjacent second heart sound and first heart sound is 0.3 seconds C. The cardiac output is the stroke volume multiplied by the number of heartbeats per minute.

Which of the following statement is CORRECT ? I. Heart, the mesodermally derived organ, is situated in the thoracic cavity, in between the two lungs , slightly tilted to the left. II. During joint diastole , tricuspid and bicuspid valves are open and the semilunar values are closed. III. The first heart sound (lub) is associated with the closure of the tricuspid and biscuspid valves whereas the second heart sound (dub) is associated with the closure of the semilunar valves . IV. Neural signals through the sympathetic nerves can increases the rate of hearbeat, the strength of ventricular contraction and thereby the cardiac output.

During each cardiac cycle , two prominent sound are produced which can be easily heard through a stethoscope . The second heart sound is associated with :

The first heart sound is produced when

Second heart sound is associated with the

Go through the following statements, (i) The stroke volume multiplied by heart rate gives the cardiac output. (ii) The second heart sound is associated with the closure of semilunar valves (iii) Heart failure is the same as cardiac arrest or a heart attack. Which of these are correct ?

First heart sound is associated with the closure of _______ valves whereas second heart sound is associated with the closure of _____valves.

The second heart sound (dub) is associated with the closure of

MOTION-BODY FLUIDS AND CIRCULATION-Exercise - 2 NCERT BASED QUESTIONS
  1. The opening between the right atrium and the right ventricle is guarde...

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  2. Incomplete double circulation is found in :-

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  3. The first heart sound is associated with :-

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  4. Correctly match column-I with column-II

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  5. Match the Column-I with Column-II

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  6. In which the following can increase the rate of heart beat ? (A) Sym...

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  7. During joint diastole :-

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  8. Which is responsible for initiating and maintining the rhythmic contra...

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  9. In which the following has the ability to generate action potential wi...

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  10. Which information is incorrect about cardiac output ?

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  11. Birds and Mammals have :-

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  12. Open circulatory system is present in :-

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  13. Identify the correct sequence of events in a cardiac cycle :-

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  14. During ventricular systole

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  15. The cardiac impulse is initiated and conducted further upto ventricle....

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  16. The second heart sound (dubb) is associated with the closure of

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  17. Match the terms given under Column 'A' with their functions given unde...

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  18. Cardiac activity could be moderated by the autonomous neural system. T...

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  19. Which among the following is correct during each cardiac cycle

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  20. Blood platelets are found only in the blood of

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