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Which is the first Heart sound ?...

Which is the first Heart sound ?

A

Lub associated with the closure of Semi-lunar valves

B

Lub associated with the closure of tricuspid and bicuspid valves

C

Dub associated with the closure of tricuspid and bicuspid valves

D

Dub associated with the closure of Semilunar valves

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The correct Answer is:
B
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TRUEMAN BIOLOGY-BODY FLUIDS AND CIRCULATION-Multiple Choice Questions
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  2. The given figure is the ECG of a normal human. Which one of its compon...

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  3. Which is the first Heart sound ?

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  4. A person with unknown blood group under ABO system, has suffered much ...

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  5. Which one of the following is the main graveyard of RBC :-

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  6. give few examples of vertebrates( only names)

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  7. give names of 5 invertebrates

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  8. Blood diffuses out of the capillaries due to 1. hydrostatic pressure ...

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  9. The opening between the right atrium and the right ventricle is guarde...

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  10. Which one of the following human cells does not contain mitochondria? ...

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

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  12. The gene of sickle cell anaemia is inherited by

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  13. Foramen ovale 1. Connects the two atria in the foetal heart 2. is a...

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  14. To obtain a standard ECG, a patient is connected to the machine by thr...

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  15. Circulatory system does not help in 1. transport of respiratory gases...

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  16. Blood pressure is measured by 1. barometer 2. sphygmomanometer 3. ...

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  17. Bursa of Fabricius is an important organ of birds. This organ is assoc...

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  18. The blood vessel which supplies oxygenated blood to cardiac tissue is ...

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  19. Average cardiac output is

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  20. Lub sound produced by heart is caused by 1. ventricular diastole 2....

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