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Blood in ___________ must be made similar to arterial Blood in composition.

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Blood in ___________ must be made similar to arterial Blood in composition.

(a) heart

(b) brain

(c) ear

(d) eyes

I got this question during an interview for a job.

This interesting question is from Digital Stethoscope in chapter Biomedical Recorders of Biomedical Instrumentation

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Best answer
Correct choice is (c) ear

Best explanation: Blood in the ear must be made similar to arterial blood in composition. This is done by increasing the flow through the ear without appreciably increasing the metabolism. Maximum vasodilatation is achieved by keeping the ear warm.

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