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The second heart sound (dubb) is associa...

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

A

Tricuspid valve

B

Semilunar valves

C

Bicuspid valve

D

Tricuspid and bicuspid valves.

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The correct Answer is:
B
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The second heart sound (dub) is associated with the closure of

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.

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.

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) QRS complex in ECG indicates ventricular depolarization. (B) The electrocardiograph machine is used to obtain Electrocardiogram a (ECG ) on graph paper . (C) During a cardiac cycle , the left ventricular pumps out about 70 ml is of Oxygenated blood which is called the cardiac output . (D) The second heart sound is associated with the closure of the semilunar valves . How many statements from the above is /are incorrect ?

Read the following statements (A-D) A. Coronary Artery Disease is also called atherosclerosis that affects the vessels that supply blood to the heat 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 ?

First heart sound is associated with the closure of _______ valves whereas second heart sound is associated with the closure of _____valves.

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

MOTION-BODY FLUIDS AND CIRCULATION-Exercise - 2 NCERT BASED QUESTIONS
  1. During ventricular systole

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

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

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  4. Match the terms given under Column 'A' with their functions given unde...

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  5. Cardiac activity could be moderated by the autonomous neural system. T...

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  6. Which among the following is correct during each cardiac cycle

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  7. Blood platelets are found only in the blood of

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  8. What is the main difference in human and frog RBCs?

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  9. Prothrombin is found in :-

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  10. Which type of WBCs are most abundant in the blood of rabbit and other ...

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  11. Blood clotting in a test tube can be prevented by adding a little of :

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  12. Oval, biconvex and nucleated RBC's are found in

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  13. Which of the following is an anticoagulant and checks blood coagulatio...

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  14. In normal healthy female , the number of RBC/mm^(3) of blood is

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  15. Which of the following should be avoided in biological marriages ?

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  16. After examining the blood group of husband and wife ,the doctor advise...

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  17. Blood colloidal osmotic pressure mainly maintained by which plasma pro...

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  18. Which of the following is an agranulocyte ?

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  19. During the process of blood coagulation, vitamin K helps in

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  20. In mature RBC, nucleus is present in

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