Question

19. How does PET scan differ form CT scan and MR?
a. It is used for scanning metastases
b. It shows metabolic activity
c. It is made of sound waves
d. It is emitted from radioisotopes
20. Interventional radiology is:
a. Use of radiology to OPD therapeutic and diagnostic
procedures
b. Use of radiology for biopsies
c. Can be done under ultrasound, CT and fluoroscopy
d. All of the above
21. X-rays are harmful if used unnecessarily:
a. True
b. False
c. Harmful especially for children and pregnant women
d. Harmful if given in high doses and repeatedly​

Answer 1

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Answer 2

Answer:

19-b

20-a

21-a

these are the answers according to me

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