MEDICINE MCQ
NEUROLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The brain is very ____, and because of this, it needs 2-3 times more oxygen than any other part of the human body.
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wrinkly
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big
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wet
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vascular
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gray
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Explanation:
Detailed explanation-1: -The brain needs a constant supply of oxygen and nutrients to function. Cerebral hypoxia affects the largest parts of the brain, called the cerebral hemispheres.
Detailed explanation-2: -Oxygen helps send nerve signals and messages throughout the body. When the brain doesn’t get enough oxygen, brain cells begin to die. Cell death happens within 5 minutes of low oxygen.
Detailed explanation-3: -Remarkably, despite its relatively small size, the brain accounts for about 20% of the oxygen and, hence, calories consumed by the body (1).
There is 1 question to complete.