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Lub sound produced by heart is caused by...

Lub sound produced by heart is caused by

A

Ventricular systole

B

Ventricucular diastole

C

Atrial diastole

D

Atrial systole

Text Solution

Verified by Experts

The correct Answer is:
A
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A : First phase of ventricular filling is rapid and causes 3^(rd) sound of heart. R : It is because of auricular systole.

A2Z-BODY FLUIDS AND CIRCULATION -SECTION C: PREVIOUS YEARS' EXAMINATION QUESTIONS (NEET/AIPMT Questions )
  1. The blood vessel which supplies oxygenated blood to cardiac tissue is

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  2. Circulatory system does not help in

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  3. Lub sound produced by heart is caused by

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  4. Number of action potentials that can be generated by sino-atrial node ...

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  5. If blood pressure reads 140 systole and 90 diastole, the condition is ...

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  6. Choose the correct option. (i) Human heart is ectodermal in origin. ...

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  7. Choose the correct statement.

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  8. From which part of heart does the largest artery arise

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  9. Volume of blood that enters aorta with each ventricular systole is

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  10. Select the correct option.

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  11. The other term for heart attack is

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  12. Which is not correct about circulatory system of aves

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  13. How do parasympathertic neural signals affect the working the heart

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  14. Person with blood group AB is considered as universal recipient becaus...

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  15. Mitral vave in mammalian heart guards the opening between

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  16. A cainical condition in which the bond marrow stops producing WBC, is ...

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  17. The RBC membrane of a person contains no antigen. His blood group will...

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  18. Which of the following statements is true with respect to sounds produ...

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  19. Person with blood group 'O' are universal donors because they have

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  20. Blood pressure in the mammalina aorta is maximum during

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