VTNE RADIOLOGY QUESTIONS WITH COMPLETE ANSWERS

The biologic effect of x-radiation is measured in
A:
Roentgens


B:
Rads


C:
Rems

,D:
LD50


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Rems




A veterinarian is performing a radiographic survey of a cat's skull to evaluate the
trabecular bone in the nasal cavity for a nasal tumor (producing asymmetry). Knowing
that ultra fine detail is needed, which of the following equipment would best allow for a
diagnostic study?
A:
Fast screen and film combination


B:
Slow screen and film combination


C:
Fast screen and slow film combination


D:
Slow screen and fast film combination


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Slow screen and film combination




A veterinary technician notes that a film is too dark, and there is minimal contrast
(everything is gray). What is the most appropriate adjustment to be made to improve the

,quality of the repeat film?
A:
Increase kVp


B:
Increase mAs


C:
Decrease kVp


D:
Decrease mAs


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Decrease kVp




An important radiographic aid used during lateral cervical radiographs is a
A:
Sandbag under the midcervical region


B:
Radiolucent positioner under the midcervical region


C:
Sandbag over the midcervical region


D:
No aid needed


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, Radiolucent positioner under the midcervical region




The maximum permissible dose (MPD) for whole-body radiation per year in sieverts is
A:
0.05


B:
0.50


C:
5.0


D:
Not established


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0.05




Subject contrast on a radiographic film depends on what two variables?
A:
Focal-film and object-film distance


B:
mAs and kVp


C:
Age and species of the subject