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Consider the following statements about ...

Consider the following statements about biomedical technologies: a) During open heart surgery blood is circulated in the heart - lung machine. b) Blockage in coronary arteries is removed by angiography c) Computerised Axial Tomography (CAT) shows detailed internal structure as seen in a section of body d) X - ray provides clear and detailed images of organs like prostate glands and lungs Which two of the above statements are correct

A

b and d

B

c and d

C

a and c

D

a and b

Text Solution

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Read the following statements regarding the various techniques used in cancer detection. (i) Cancer detection is based on biopsy and histopathological studies of the tissue, and blood and bone marrow tests for increased cell counts in case of leukaemia. (ii) In biopsy, a piece of the suspected tissue cut into thin sections is stained and examined under microscope by a pathologist. (iii) Techniques like radiography (use of X-rays), CT (computed tomography) and MRI(magnetic resonance imaging) are very useful to detect cancers of the internal organs. (iv) Computed tomography uses strong magnetic fileds and non-ionising radiations to detect physiological changes in living tissues. (v) MRI uses X-rays and ionising radiation to generate a 3-D image of the internal structure of an object. Which of the above statements are incorrect ?

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