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Cardiac Output

Is the cardia...

Question

Is the cardiac output measured in terms of volume of blood outflow only from the Left ventricle or does it include the inflow of blood to the right ventricle too?

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Solution

The cardiac output is the amount of blood pumped by the heart per minute. It is a term that describes the volume of blood being pumped by the heart, in particular by the left or right ventricle, per unit time.

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Q. (i) During a cardiac cycle each ventricle pumps out approximately

70

mL of blood which is called the stroke volume.
(ii) The cardiac output of an athlete will be much higher than that of an ordinary man.
(iii) The body has no the ability to alter the stroke volume and the cardiac output.
(iv) The cardiac output can be defined as the volume of blood pumped out by each ventricle per minute.
(v) Volume of blood pumped by left ventricle is higher than blood pumped by right ventricle.
How many statements are correct?

Q. In a normal person at rest, the cardiac output or amount of blood pumped per minute by the left ventricle is approximately

Q. Volume of blood each ventricle pumps out/ stroke volume during a cardiac cycle is about

Q. Which of the following statement (s) is (are) true about heart?
(i) Left atrium receives oxygenated blood from different parts of the body while right atrium receives deoxygenated blood from lungs.
(ii) Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs.
(iii) Left atrium transfers oxygenated blood to right ventricle which sends it to different parts of the body.
(iv) Right atrium receives deoxygenated blood from different parts of the body while left ventricle pumps oxygenated blood to different parts of the body.

Q. Assertion: Left ventricle pumps oxygenated blood to different body parts while the right ventricle pumps deoxygenated blood to the lungs.
Reason: Right atrium receives deoxygenated blood from different parts of the body while the left ventricle pumps oxygenated blood to different parts of the body.

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