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CTEC PRACTICE TEST QUESTIONS
LATEST UPLOAD
1.
scatter radiation reduced by: close collimation, not higher kVp or high
filtration
2.
how to tell if there is mottle noise: EI #, and maginification, not window width
and level
3. puffy and swollen IV site should immediately be:
clamped ott
4. CR plate stain appears:
lighter
5.
Digital image plate needing most exposure: CR imaging plates and DR direct
flat panels
6. needs least amount of exposure:
indirect DR
7.
trochlea is part of the:
humerus
8. 100 microns makes how much spatial resolution?: 5
lp/mm
9. the optic foramen is at the: apex of the orbit
10. converts xray photons to electrical charge: amorphous
selenium
11.
moving
a
heavy
object
from
side
to
side:
turn your feet, not your waist
12.
write
patient
vitals:
on
xray
request
form,
not
in
pt
chart
13. detector fog also known as: dark noise
14. pylorus and duodenum seen best in a: 45 degree RAO
15.
prevent
extravasion:
immobilize
site,
test
if
needle
is
in
vein,
cold
pack-
not
heat
16.
increased
attenuation
happens
with:
high atomic number, greater density,
not high kvp
17. contrast reaction of vomiting, headache, nausea are: mild
18.
geometric
factors
affect:
spatial
resolution
