A:-CARO Rx
B:-BRAX Rx
C:-CROME Rx
D:-GENE Rx
Correct Answer:- Option-A
Question49:-most commonly affected system in down's syndrome patient
A:-Respirotary system
-Renal system
C:-cardiac system
D:-endocrine system
Correct Answer:- Option-C
Question50:-choking off phenomenon is seen in
A:-NaF
B:-SnF
C:-APF
D:-Amine fluoride
Correct Answer:- Option-A
Question51:-X-rays are
A:-Particulate Radiation
B:-Beta Rays
C:-Photons
D:-Electrons
Correct Answer:- Option-C
Question52:-Titanium di Oxide is used in intensifying screen as
A:-Reactive Layer
B:-Reflecting Layer
C:-Colourful Layer
D:-Protective Layer
Correct Answer:- Option-B
Question53:-Trace amount of gold are sometimes added to silver halide crystals of X-ray films to improve their
A:-Image Quality
B:-Radiographic Density
C:-Film Contrast
D:-Sensitivity
Correct Answer:- Option-D
Question54:-The technique based on Ciesensky's rule of isometry is
A:-Bisecting Angle Technique
B:-Paralleling Technique
C:-Right Angle Technique
D:-Long Cone Technique
Correct Answer:- Option-A
Question55:-In the X-ray tube, X-rays originate from:
A:-Filament
B:-Anode
C:-Cathode
D:-Focussing Cup
Correct Answer:- Option-B
Question56:-The main cause of foreshortening of the bisecting angle technique
A:-Improper placement of film
B:-Improper horizontal angulation
C:-Vertical angulation of cone too flat or obtuse
D:-Vertical angulation too acute or sharp
Correct Answer:- Option-D
Question57:-The embossed dot of the film packet should always be placed
A:-Towards the source
B:-Away from source
C:-It doesnot matter
D:-Away from source in mandible & towards the source in Maxilla
Correct Answer:- Option-A