Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Biomedical techniques commonly used are (1)\[\text{MRI}\]?Study of brain in health and encephalography disease (2) PET imaging?Measurement of cerebral blood volume and flow rate (3) Nuclear induction method?Discovered by Banding and Best (4) Tomography?Treatment by radiationA) 1, 2 and 3 are correct.
B) 1 and 2 are correct.
C) 2 and 4 are correct.
D) 1 and 3 are correct.
Correct Answer: A
Solution :
\[\text{MRI}\] (Magnetic Resonance Imaging) can differentiate white matter and grey matter. It is used to detect lesions of multiple sclerosis on brain and spinal cord and to examine joint injuries and slipped disk. Positron Emission Tomographic scanning (PET) has been mainly used for the measurement of regional cerebral blood volume, blood, flow, metabolic rates for glucose and oxygen in humans Nuclear induction method was discovered by Banting and Best.
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