71,

72,

73.

74,

75.

76.

77.

False statement regarding Film processing
(ಹಿ) Ina developing solution hydroquinone act faster than phenindion.
(3) Preservatives in a developing solution prevent 900 internal and external oxidation.
(C) Sodium carbonate and sodium hydroxide are accelerators.

(D) In manual processing film remains for 3-5 minute depending on temperature of
solution.

X-ray artefacts false is
(¢) Suppression of grid lining by moving grids high line rates
(B) Plexi glass used for positioning causes attenuating difference in the image
(C) Latent image in CR is due to incomplete erasure of previous image

(D) Back scatter through the back of detectors fixed by less shielding attached to back of
detectors

True in silver recovery
(¢) Used fixer solution contains high concentration of silver
(B) Metallic replacement is in expensive
(C) Electrolytic method yields pure silver
(D) Allof the above

Regarding radiation safety false statement is
(ಗಿ) larger the dose shorter will be the latent period.
(B) reducing exposure time by one half reduces the dose received by one half.
(C) transparent plates of thick plastics can be used for shielding beta particles.
(D) absorbed dose 1 Gy is equal to 100 J of absorbed energy / KG of matter.

Maximum patient radiation is seen in
(A) CT abdomen (B) CT chest
(C) Barium enema (D) PETCT

Barium is used in diagnostic radiology — False statement is

(A) Low atomic number (B) Inert
(C) Non-toxic (D) Non-absorbable
DSA stands for

(¢) Digital Substraction Angiography (B) Direct Substraction Angiography
(C) Dual Substraction Angiography (D) Direct Substitution Angiography

1 076/2018
[P.T.0]