Question43:-Photostimulable phosphor imaging is the basis of
A:-MRI
B:-Ultrasound
C:-Computed radiography
D:-Digital radiography
Correct Answer:- Option-C
Question44:-Larmor Precession Frequency is relevant in
A:-Nuclear medicine
B:-CT.
C:-MRI
D:-USG
Correct Answer:- Option-C
Question45:-Negative effect in film contrast is due to
A:-Photoelectric effect
-Compton effect
C:-Pair production
D:-Photo disintegration
Correct Answer:- Option-B
Question46:-Characteristic curve shifts towards for shorter development time.
A:-Left
B:-Right
C:-No change
D:-Down
Correct Answer:- Option-B
Question47:-The optimal development time to get high gamma, good speed and minimal fog level is
A:-0-2 minutes
-8 minutes
C:-10-15 minutes
D:-None of the above
Correct Answer:- Option-B
Question48:-Location of radiodiagnostic dark room.
A:-Central
B:-Rt corner
C:-Left corner
D:-Front
Correct Answer:- Option-A
Question49:-Base of intensifying screen consists of
A:-Polyester
B:-Cesium iodide
C:-Barium acetate
D:-Cellulose nitrate
Correct Answer:- Option-A
Question50:-Single coated X-ray films are used in all of the following except
A:-Mammography
B:-CT films
C:-Skull X-ray
D:-Fluoroscopy
Correct Answer:- Option-C
Question5 1:-Function of fixer in film processing is
A:-Dissolve unexposed and under developed silver halide crystals
B:-Preserve the film image
C:-Hardens the film emulsion
D:-All of the above
Correct Answer:- Option-D
Question52:-X-ray film is most sensitive to which part of the light spectrum ?
A:-Blue - Green
B:-Yellow - Red
C:-Purple - Green
D:-Orange - Red