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Test your basic knowledge |
Radiology
Start Test
Study First
Subjects
:
health-sciences
,
radiology
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The electrical current sent through the filament to cause this electron release is called
cathode
anode
10
milliamperage
2. Must be radiolucent
alopecia
luxations
afterglow
film cassette
3. Film with: ultra speed - grainier image - less exposure needed
heel effect
scatter radiation
true
fast film
4. Increase developing time and temp of developing fluid
increase density
quantum mottle
15% rule for kVp
fluoroscopy
5. What type of bone tumors started in the location they were first found
true
whiter
collimator
primary
6. Is the measurement for the maximum energy available at that setting
peak kilovoltage
spondylosis
effective focal spot
paresis
7. These screens have increased definition/detail - need to have increased radiation exposure
slow
non-screen
anode
15
8. The layer of the film where the action occurs
thoracic(caudal) and lumbar
anode
AgBr
paresis
9. We should always try and stay How many feet from our x-ray machine
6 ft
10 cm
increase density
genetic damage
10. What type of films need a lot more x-ray exposure and more time to expose them
sensitive cells
inverse square law
non-screen
more x-rays produced
11. Must increase.....to compensate for x-ray absorption by the grid. (we triple our mAs)
reflective layer
nucleus pulposis
kVp or mAs
pneumocystogram
12. Increased crystal size.....
reflective layer
inflammation an granuloma
cathode
more light
13. Most commonly used film - compromise between graininess and speed (detail)
calcium tungstate
abnormalities
medium or par
medium film
14. This pertains to the size of the electron cloud and thus directly to the number of x-ray produced
no contrast
movement
mAs
cathode
15. Between density and mAs
lines per centimeter
cathode
film cassette
direct relationship
16. Faster screens/less detail; slower screens/more detail
focal spot
cathode
medium or par
large crystals - small crystals
17. Can cause damage to living cells through the process of excitation or ionization of electrons in the orbits around atoms
grid cutoff
x-rays
annulus fibrosis
short scale of contrast
18. Refers to the 'blackness' of a radiograph
cervical
higher mA
density
effective focal spot
19. What type of bone tumors started elsewhere and spread to the location it was found
increase density
wobblers syndrome
lens
secondary
20. The type of collimator that we have here
osteomyelitis
long scale of contrast
decrease scatter radiation
adjustable lead shutters
21. This stage of pregnancy is the most dangerous for the fetus
first trimester
luxations
decrease scatter radiation
narrow latitude film
22. The greater the number of electrons released
non-screen
the higher the mA
wide latitude film
true
23. The distance from the x-ray tube to the x-ray machine is the SID (source image distance) - or the FFD (also known as....)
cathode filament
somatic damage
fast film
focal film distance
24. General purpose film - forgiving
stationary anode
aluminum
inverse square law
wide latitude film
25. Dislocations or separations
collimator
luxations
screen film
contrast
26. Legally - a non-pregnant woman is required to hold a HBC dog for radiographs in NYS
direct relationship
density
false
lead cone and adjustable lead shutters
27. If barium leaks into the abdomen or lungs - it can cause what
cathode
clinical signs
alopecia
inflammation an granuloma
28. AgBr + x-rays =
non-screen film
rare earth elements
joint mouse
clinical signs
29. The focused grid is upside down - is one reason for
non-screen film
lead cone and adjustable lead shutters
high contrast
grid cutoff
30. Aluminum filter
idiopathic
decrease scatter radiation
no contrast
indirect relationship
31. Longer wavelengths of electromagnetic radiation have more penetrating power
intussusception
intensifying screens
mAs
false
32. If there's far or muscle in the way of an x-ray - those parts would be
decrease scatter radiation
grey
non-screen film
lead cone and adjustable lead shutters
33. Increased thickness of this leads to increased x-ray absorption and increased visible light emission from the crystals
increase density
phosphor layer
paresis
narrow latitude film
34. Increase what value to penetrate thick body parts
movement
kVp
true
back scatter
35. Film with: high detail - minimal graininess - increased exposure
contrast
slow film
wobblers syndrome
rotating anode
36. Size film we use here
short scale of contrast
40
14 x 17
back scatter
37. What type of film has the x-rays directly cause the latent image to be formed
medium or par
SOP
supercoat
non-screen
38. Has a filament made of tungsten - due to the high melting point
increase density
0.5mm
cathode and anode
true
39. Negative contrast agents appear what color on a radiograph
5
stops peristalsis
black
white
40. The mAs has to do with the power of the x-rays produced
false
2
wide latitude film
non-screen
41. MAs for extremities
false
5
slow
silver halide
42. In the dark room - the safe light (red light) needs to be at least how far away from the loading bench
4 ft
effective focal spot
true
spondylosis
43. Is determined by the ratio of the height of the lead strips to the distance between them
5
movement
15 cm
grid efficiency
44. To double the density
light source
adjustable lead shutters
double mAs
alopecia
45. NYSVMS Facility Accreditation Standards
x-rays
increase density
calcium tungstate
NYS Public Health Law #225
46. The 2 types of collimators are
increase density
lead cone and adjustable lead shutters
5
short scale of contrast
47. Is influenced by quantity of x-rays(mAs) - quality of x-rays (kVp) - type and thickness of tissue being x-rayed
density
stationary and rotating
decrease scatter radiation
the higher the mA
48. Weakness
paresis
rapidly dividing
short scale of contrast
more light
49. This gives you the desired mAs - and it gives less time for your patient to move
focal spot
highest mA and smallest time fraction
arthritis
hypaque
50. Give a 25% barium solution for upper GI series - and give At what dose?
back scatter
3cc/#
adjustable lead shutters
x-rays
Sorry!:) No result found.
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