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

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

A

Tricuspid of

B

Semilunar valves

C

Bicuspid valve

D

Tricuspid and bicuspid valves

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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. 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 ?

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 ?

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

Second heart sound is

Second heart sound is associated with the

The first heart sound lubb' is associated with

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 :

ALLEN-HUMAN PHYSIOLOGY -I-EXERCISE -III(Analytical Questions )
  1. During ventricular systole

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

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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 th eautonomous neura lsystem. T...

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

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

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  8. Cardiac muscle are :-

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  9. Ciliary movement is found in :

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  10. Amoeboid movement is found in :-

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  11. In the center of each I band is an elastic fiber called

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  12. A motor neuron along with muscle fibres connected to it constitutes a

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  13. Globular head of myosin contains

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  14. Which character is not associated with red muscle fibres ?

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  15. The junction between a motor neuron and the sarcolemma of the muscle f...

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  16. Which points are correct for cardiac muscles of (A) They are stria...

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  17. The body weight contributed by muscles in a human adult is :

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  18. In paramoecium, the movement of food through cytopharynx take place by...

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  19. The striated appearance of a myofibril is due to distribution pattern ...

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  20. Repeated activation of the muscles can lead to the accumulation of :

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