40q: which of the following is used in the treatment of differentiated thyroid cancer?
- I 131
- Tc 99
- P 32
- I 131 – MIBG
Answer : a .
41q: phosphorous 32 emits ?
- beta particles
- alpha particles
- gamma particles
- positrons
answer : a . beta particles .
42q: cataracts are induced by single exposure X rays of equivalent dose of ?
Answer : 2 Sv .
15q: part of the GIT involved first in radiation injury is ?
Answer: small bowel mucosa .
43q: A one year old infant is brought with complaints of difficulty in breathing with irritability. CXR shows a suspicious white opacity extending from hila to right mid hemithorax with undulating border. Diagnosis is ?
- no significant abnormality
- collapse
- consolidation
- TGV
Answer : a . I wonder y !
44q: most sensitive imaging technique for detection of myocardial infarct is ?
Answer : cardiac MR .
45q: two techniques of cardiac MR are ?
Answer: dark blood and bright blood .
46q: 3 day old premature infant presents with blood-streaked stools , explosive diarrhea ,bile emesis and mild respiratory distress. X ray abdomen shows “bubbly” appearance of bowel. Diagnosis is ?
Answer : neonatal scleroderma .
47q: USG marker of greatest increased risk of trisomy 21 is ?
- echogenic heart foci
- hyperechogenic bowel
- cystic hygroma
- nuchal edema
answer : a .
48q: a patient has calcification on the right side of the abdomen in AP view . in lateral view it is seen to overlie spine . the most likely diagnosis ?
- gall stone
- calcified mesenteric stones
- renal stones
- vertebral osteophytes
answer : renal stones .
49q: most radiosensitive tumor ?
- ca cervix
- ca ovary
- RCC
- Pancreatic ca
Answer : ca cervix .
50q: maximum penetration is seen with ?
- alpha rays
- beta rays
- gamma rays
- electron beam
answer : c . gamma rays .
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