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The first heart sound lubb' is associate...

The first heart sound lubb' 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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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.

The first heart sound is

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

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

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

Read the following statements : A. The action potential generated by the SA node stimulates both ventricles to undergo simultaneous contraction. B. The heart sound Lubb is associated with the closure of both semilunar valves. C. The QRS complex in ECG represents the depolarization of the ventricles. Select the appropriate option from the following :

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 ?

Read the following statements (A-D) A. Coronary Artery Disease is also called atherosclerosis that affects the vessels that supply blood to the heart muscle. B. The electrocardiogram (ECG) on graph paper. During a cardiac cycle , the right ventricle pumps out about 70ml of oxygenated blood which is called stroke volume. D. The second heart sound is associated with the closure of the semilunar valves. How many statements from the above is / are incorrect ?

ALLEN-HUMAN PHYSIOLOGY -I-EXERCISE -III(Analytical Questions )
  1. In humans, the right artrioventricular aperture of the heart is guarde...

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  2. Incomplete double circulation is found in :-

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  3. The first heart sound lubb' is associated with

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  4. Correctly match column -I with column -II {:(,"Column -I",,"Column-I...

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  5. Match the Colum-I with Column -II . {:(,"Column-I",,"Column-II"),((A),...

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

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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 impules is intiated and conduct further upto venticle.The ...

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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 th eautonomous neura lsystem. T...

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

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  20. In a muscle fibre Ca^(++) is stored in

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