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What is the average flow velocity in veins?(a) 5 to 10 cm/s(b) 10 to 12 cm/s(c) 12 to 18 cm/s(d) 20 to 25 cm/sI got this question during an interview for a job.Question is taken from Application of Telemedicine in chapter Telemedicine Technology of Biomedical Instrumentation

Answer» RIGHT answer is (b) 10 to 12 cm/s

Easy explanation: The flow-induced voltage of an electromagnetic flowmeter is, within CERTAIN limitations, proportional to the VELOCITY of the flow. This velocity is the average ACROSS the flow stream with an axis symmetric velocity profile. The average flow velocity appears to be 20 to 25 cm/s in ARTERIES and 10 to 12 cm/s in veins.


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