Which of the following is a non invasive method for measurement of peripheral blood flow or blood flow in various organs?(a) Electromagnetic(b) Ultrasonic(c) NMR(d) Laser DopplerI have been asked this question in homework.Question is from Cyber Medicine topic in chapter Telemedicine Technology of Biomedical Instrumentation

Which of the following is a non invasive method for measurement of per

1.	Which of the following is a non invasive method for measurement of peripheral blood flow or blood flow in various organs?(a) Electromagnetic(b) Ultrasonic(c) NMR(d) Laser DopplerI have been asked this question in homework.Question is from Cyber Medicine topic in chapter Telemedicine Technology of Biomedical Instrumentation
Answer» Right option is (c) NMR For explanation: NUCLEAR magnetic RESONANCE principle offers YET another non-invasive method for the measurement of peripheral blood flow or blood flow in various organs. The method pertains to a quantum mechanical PHENOMENON related to the magnetic energy levels of the nucleus of some elements and their isotopes.

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