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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. What specific part of the eye is cloudy with a cataract
5
white
lens
false
2. A lightproof encasement designed to hold x-ray film and intensifying screens in close contact
NYS Public Health Law #225
false
cassette
focal spot
3. When the density difference is great - there is
first trimester
2
high contrast
cervical
4. Weakness
paresis
fluoroscopy
alopecia
kVp
5. This is inversely proportional to screen speed
radiographic detail
kVp
40
diskospondylitis
6. Extra vertebrae - scoliosis - fused vertebrae are all examples of
black
kVp or mAs
abnormalities
cathode
7. When processing film - the black areas are made of
intussusception
metallic silver
medium or par
quantum mottle
8. Is the most common artifact in radiography
FFD
rapidly dividing
movement
diskospondylitis
9. If the kVp is too high
SOP
primary
effective focal spot
increase scatter
10. What is one of the most common area of occurance for spinal problems (15% dobermans)
cervical
x-rays
caudal border of scapula
phosphor type
11. MAs for abdomen (standard mAs) x=?
5
genetic damage
fast
reflective layer
12. Can cause damage to living cells through the process of excitation or ionization of electrons in the orbits around atoms
x-rays
true
nucleus pulposis
grid focus
13. What type of film has the x-rays directly cause the latent image to be formed
alopecia
non-screen
density
phosphor layer
14. Calcium 'bridges' between adjacent vertebrae
fluoroscopy
decrease scatter radiation
non-screen
spondylosis
15. The smaller the focal spot
iodine
narrow latitude film
the sharper the radiograph
first trimester
16. The back of the cassette is made of lead to decrease....
indirect relationship
no contrast
back scatter
pneumocystogram
17. If there's metal in the way of an x-ray - than no x-rays will get through and that part would be
increase scatter
cathode
false
white
18. A layer of intensifying screen that reflects the light from the phosphor layer toward the film
reflective layer
density
kVp
15% rule for kVp
19. What is the difference between fluoroscopy and a regular radiograph
kVp
false
wide latitude film
white and black are reversed
20. A device that moves the grid back and forth under the table. it helps to prevent grid lines from showing
cathode
fixer
grid cutoff
potter-bucky diagram
21. The x-ray machine we've been using has a rotating anode
false
false
true
anode
22. Is responsible for the number or quantity of x-rays
true
primary
screen film
mAs
23. Is only 1/3 the size of the actual focal spot
iodine
effective focal spot
rotating anode
narrow latitude film
24. On a lateral view of the chest the aorta is dorsal to the caudal vena cava
inversely proportional
true
line focus principle
4 ft
25. Bone infection - also known as spondylitis
osteomyelitis
2
arthritis
double contrast
26. Positive contrast agents appear what color on a radiograph
phosphor type
spondylosis
white
density
27. We are supposed to use a grid if the abdomen is greater than or equal to......
inflammation an granuloma
x-rays
false
10 cm
28. Body cells affected - damage seen during lifetime of creature - can be immediate or cummulative
focal spot
true
2
somatic damage
29. If there's far or muscle in the way of an x-ray - those parts would be
true
kVp
false
grey
30. Bone - lymphatic cells - epitheilial - and hemopoietic cells are also what kind of cell?
cassette
fluoroscopy
slow
sensitive cells
31. Radiograph of a dogs skeleton has a long scale of contrast
supercoat
false
scatter radiation
kVp
32. Increased thickness of this leads to increased x-ray absorption and increased visible light emission from the crystals
phosphor layer
rapidly dividing
the sharper the radiograph
false
33. Film with: ultra speed - grainier image - less exposure needed
fast film
quantum mottle
grid cutoff
intensifying screens
34. If barium leaks into the abdomen or lungs - it can cause what
indirect relationship
inflammation an granuloma
mAs
NYS Public Health Law #225
35. An invisible image on the x-ray film Which becomes visible after it has been processed in the manual or automatic processor
direct relationship
latent image
cathode
hyperesthesia
36. A type of electromagnetic radiation which have a shorter wavelength than visible light
x-rays
fast
increase density
annulus fibrosis
37. What must have little or no 'afterglow'
kVp or mAs
narrow latitude film
4 ft
screens (phosphor layer)
38. When more electrons hit the focal spot on the anode
false
true
10 cm
more x-rays produced
39. Within the collimator outlines just how much is collimated
sensitive cells
grid cutoff
joint mouse
light source
40. What type of bone tumors started elsewhere and spread to the location it was found
fast
screens (phosphor layer)
grid focus
secondary
41. Monitors personal exposure to radiation
lens
dosimeter
10 cm
cathode
42. Infection of a disk - or bone near it
diskospondylitis
latent image
fluoroscopy
kVp
43. Ideally is very small
mAs
focal spot
density
stationary anode
44. Means more electrons will be released from the filament and directed at the anode
density
rapidly dividing
higher mA
false
45. Lead equivalent for thyroid sheild
electrons
cassette
false
0.5mm
46. When.....collide with the anode - 99% of energy is released in the form of heat - and 1% of energy is in the form of x-rays
effective focal spot
luxations
unexposed AgBr
electrons
47. Refers to the 'blackness' of a radiograph
density
fogging
kVp
heel effect
48. Redness of the skin
false
somatic damage
cathode
erythema
49. We should always try and stay How many feet from our x-ray machine
potter-bucky diagram
6 ft
milliamperage
fast film
50. What is the term for an unknown cause
cathode
idiopathic
collimator
screen film