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Home  >>  JEEMAIN and AIPMT  >>  Biology  >>  Human Physiology
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Regarding Cardiac output - Choose the incorrect option :


( A ) The cardiac output can be defined as the volume of blood pumped out by each ventricle per minute
( B ) The cardiac output in a healthy individual is about 5000 mL or 5 litres.
( C ) During a cardiac cycle, each ventricle pumps out approximately 70 mL of blood which is called the stroke volume.
( D ) The stroke volume divided by the heart rate gives the cardiac output.
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1 Answer

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(D) is the right answer.

During a cardiac cycle, each ventricle pumps out approximately 70 mL of blood which is called the stroke volume. The stroke volume multiplied by the heart rate (no. of beats per min.) gives the cardiac output. Therefore, the cardiac output can be defined as the volume of blood pumped out by each ventricle per minute and averages 5000 mL or 5 litres in a healthy individual. The body has the ability to alter the stroke volume as well as the heart rate and thereby the cardiac output. For example, the cardiac output of an athlete will be much higher than that of an ordinary man.
answered Apr 3, 2014 by pady_1
 
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