Typical 'lubb-dup' sounds heard in heart beat are due to
Closing of bicuspid and tricuspid valves
closing of semilunar valves
Blood under pressure through aorta
Closure of bicuspid-tricuspid valves followed by semilunar valves
Additional Questions
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Atherosclerosis refers to ailment of |
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The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC because "O" in it refers to having |
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Which one of the following statements is correct regarding blood pressure? |
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Adrenaline directly affects |
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All arteries carry oxygenated blood, except |
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An adult human has systolic and diastolic pressures as: |
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In a standard ECG which one of the following alphabets is the correct representation of the respectively activity of the human heart? |
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Assertion: Smaller the organism higher is the rate of metabolism per gram weight. Reason: The heart rate of a six month old baby is much higher than that of an old person. |
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Systematic circulation of oxygenated blood starts from |
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In sun our face becomes reddish due to |
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