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Lub sound produced by heart is caused by...

Lub sound produced by heart is caused by

A

Ventricular diastole

B

Ventricular systole

C

Atrial diastole

D

Atrial systole

Text Solution

Verified by Experts

The correct Answer is:
B
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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.

MODERN PUBLICATION-BODY FLUIDS AND CIRCULATION -COMPETITION FILE (Objective Type Questions) (Multiple Choice Question (MCQs))
  1. The heart beat increases at the time of interview due to

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  2. The problem of electrical discontinuity caused in the normal heart by ...

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  3. Lub sound produced by heart is caused by

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  4. The triangular sac like structure which receives blood through the ven...

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  5. Read the statements regarding the cardiac system and choose the right...

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  6. Choose the correct statement:

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  7. Figure shoes schematic plan of blood circulation in humans with labels...

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  8. The diagram given here is the standard ECG of a normal person. The P-w...

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  9. Pulse is a direct measure of:

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  10. Originating in bone marrow , circulating in blood for 1-2 days migrati...

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

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

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  13. Blood pressure in the mammalian aorta is maximum during

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  14. Which one of the following is correct

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  15. Erythropoiesis starts in

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  16. Which one of the following animals has two separate circulatory pathwa...

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  17. Doctors use stethoscope to hear the sounds produced during each cardia...

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  18. The study of blood vessels is termed as

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  19. Heavines with sever chest pain which may disappear with rest indicate...

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  20. Incomplete double circulation is found in :-

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