21 - PGI chandigarh December 2007 Radiology Mcqs

1q: Most common cancer due to radiation ?

a. leukemia
b. bronchogenic carcinoma
c. Thyroid carcinoma
d. breast cancer
e. bone tumor

answer a . leukemia . Thyroid and bone marrow are most sensitive to radiation . kidney, urinary bladder and ovary are least sensitive to radiation.

2q: Contrasts used in USG ?

a. urograffin
b. ultragraffin
c. sonavist
d. conray
e. barium

answer c. sonavist only . Some commonly used contrast agents are : 1. sonavist 2. sonovue 3. sono Rx 4. sonogen 5. echogen 6. quantison 7. optison 8. imavist 9. levovist 10. myomap 11. filmix 12. definity 13. omalex 14. bisphere

3q: double bubble sign is seen in ?

a. duodenal atresia
b. ileal atresia
c. pyloric stenosis
d. pancreatic divisum
e. volvulus

answer a and c are answers . duodenal atresia and pyloric stenosis . other causes are ladd's band,annular pancreas and pancreatic pseudocyst.

4q: Radiation emitted by Ir-192 is ?

a. 0.5 MeV
b. 0.6 MeV
c. 0.66 MeV
d. 0.666 MeV
e. 0.47 MeV

answer e. 0.47 MeV

5q: Which of the following statements are true about MRCP ?

a. MRI is used to obtain the images
b. CT is used for the images
c. it shows the biliary tree
d. dye has to be injected endoscopically
e. it is an invasive procedure

answer a and c are true statements.

20 - AIIMS June 1998 Radiology Mcqs with answers

1q: which of the following is used in both teletherapy and brachytherapy ?


a. cobalt-60
b. I-131
c. Iridium-127
d. Palladium

answer a . cobalt-60 and cesium-137 are used in both teletherapy and brahcytherapy

2q: a neonate suffering from respiratory distress, chest x-ray showing multiple air filled spaces, the Differential Diagnosis is all except ?


a. congenital lobar aplasia of lung
b. congenital lung cysts
c. congenital adenomatoid malformations
d. congenital diaphragmatic hernia

answer a . congenital lobar aplasia of lung . all the given options are causes of respiratory distress in a neonate but congenital lobar aplasia of lung does not show multiple air filled spaces on X-ray

3q: earliest diagnosis of renal tuberculosis (TB) can be done by ?


a. USG abdomen
b. Angiography
c. CT scan
d. IVP

answer d . IVP

4q: william’s syndrome has an association with ?


a. coarctation of aorta
b. congenital subvalvular aortic stenosis
c. congenital supravalvular aortic stenosis
d. VSD

answer c . congenital supravalvular aortic stenosis . other features of william’s syndrome are elfin facies, hypercalcemia and mental retardation