PATHOLOGY MCQ
HEART
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Read the statements and choose the correct option:S1:Cardiac output would increase through either an increase in heart rate or a rise in stroke volume.S2:Reptiles have three chambered heart, mammals have two chambered and fishes have only two chambered heart.S3:The walls of auricles are comparatively thicker than ventricles.
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S1 & S3 are correct
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only S3 is correct
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S2 & S3 are correct
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only S1 is correct
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Explanation:
Detailed explanation-1: -An increase in the distension of the ventricle will therefore result in an increase in the force of contraction, which will increase cardiac output.
Detailed explanation-2: -As we all know, Cardiac output is the total volume of blood that heart pumps every minute. The formula used to calculate cardiac output is given as CO = HR × SV.
There is 1 question to complete.