66.

67.

68.

69.

70.

71.

72.

73.

74,

75.

Regarding spin echo MRI scan, which of the following is not true ?

(A} spin echo sequence with short TR will produce Tl-weighted image
(8) long TR maximizes T1 differences

)© spin echo sequence with long TE will produce T2-weighted image
(D) long TE maximizes T2 differences

Regarding comparison of surface coils to body coils, which of the following is not true 7

(५) மம (B) better spatial resolution
(C) உணட signal to noise ratio (10) மாண்ட field

Regarding noise in MRI, which of the following is not true ?

(A) decreased by small voxel size (8) decreased by long TR

(0) decreased by short TE (D) decreased by surface coils

Regarding manual processing, which of the following is not true ?
(A) time temperature method is the rule

(ए) acid bath shortens developing time

(0 washing time is double the fixing time

(10) channel type hangers are less economical than clip type hangers

Regarding automatic processing, which of the following is not true ?
(1೬) processing time is 90 seconds {ए} Tliquid chemicals is must
(0 rinsing stage is omitted (2) processing is done at room temperature

Regarding dark room, which of the following is not true 7
(^) अवाद light should be 3 feet above wel bench

(8) पणत्‌ € of developer tank must be at the bottomn
{€} ഖല pipe of fixer tank must be at the bottom

(12) alcohol thermometer should be used

Regarding conventional dark room, which of the following is not true ?
(A) ‏تمع‎ light should be red colour

(B) capacily of fixer tank should be double the developer tank

(८) running water should be used णि washing

(12) agitation helps in fixing process

Regarding chest radiography, which of the following is not true ?
(ಗಿ) usual radiation dose is 0.5 mSv

(B) apical view is taken for suspected middle lobe collapse

)© expiratory view is taken for suspected foreign body

(12) calcification are better seen with high kV radiography

Regarding high kV radiography, which of the following is not true ?
(ಗಿ) uses 120 and more kVp (ए) decreases subject contrast
() higher grid ratio needed (0) useful in barium studies of GIT

Regarding scaphoid radiography, which of the following is not true ?

(8) in PA with hand adducted, centering will be midway between the radial and ulnar styloid
processes

(8) in anterior oblique view, centering will be ೧೫ ulnar styloid process

)© in posterior oblique view, centering will be on radial styloid process

(0) in lateral view, centering will be on radial styloid process

11 153/2014
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