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During isovolumetric contraction of vent...

During isovolumetric contraction of ventricles

A

Atrioventricular valves open

B

Pressure within ventricles decrease

C

Blood volume in ventricles remains constant

D

Semilunar valves remain open

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A : Isovolumetric systole of a normal cardiac cycle is responsible for the opening of semilunar valves causing the blood flow into aortic aorta and pulmonary aorta. R : During isovolumetric systole, intraventricular pressure increases as semilunar and AV valves are closed and ventricles are contracting .

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AAKASH INSTITUTE-TEST 2-EXERCISE
  1. Which of the following is mismatched with its duration?

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  2. Read the given statements and select the correct option w.r.t. true an...

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  3. During isovolumetric contraction of ventricles

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  4. Select the correct match among given options in context of humans.

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  5. During ventricular systole in human heart

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  6. if stretch receptors in wall of urinary bladder are destroyed

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  7. Choose incorrectly matched pair in relation to human excretory system.

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  8. Total percentage of CO2 which is transported through blood plasma is

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  9. Diffusion membrane for gaseous exchange at alveolar surface, lacks a l...

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  10. Lymph collected from all parts of body is eventually drained into bloo...

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  11. Read the following statements carefully and select correct choice from...

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  12. A person with blood group B met with an accident and loses a lot of bl...

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  13. Granulated blood cells with bilobed nucleus associated with helminthic...

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  14. Cell fragments required for blood clotting are derived from which cell...

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  15. The function of renin in an infant is

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  16. In case of injury, enzyme thrombokinase responsible for

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  17. Pneumotaxic certre present in pons is responsible for all except

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  18. Dialysing fluid lacks

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  19. Closed circulatory system with 4 chambered heart is found in al of fol...

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  20. Land snails are

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