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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. This is used to take 'real-time' radiographs - used a lot in horses
5
cathode
fluoroscopy
fixer
2. Has a positive charge
nucleus pulposis
anode
true
silver halide
3. General purpose film - forgiving
40
rapidly dividing
AgBr
wide latitude film
4. NYSVMS Facility Accreditation Standards
light source
NYS Public Health Law #225
double contrast
false
5. If there's no object in the way of an x-ray - the picture would be
10
erythema
black
inversely proportional
6. What are the 2 types of anodes
direct relationship
the higher the mA
double mAs
stationary and rotating
7. MAs for abdomen (standard mAs) x=?
quantum mottle
long scale of contrast
5
wobblers syndrome
8. MAs for ANY part - when using a grid 3x= ?
15
scatter radiation
non-screen
phosphor type
9. These cells are the most sensitive to radiation
rapidly dividing
unexposed AgBr
electrons
non-screen
10. Aluminum filter
somatic damage
15 cm
decrease scatter radiation
unexposed AgBr
11. The greater the number of electrons released
slow film
FFD
the higher the mA
Maximum Permissible Dose
12. These crystals will turn white/clear when processing film
slow
fluoroscopy
black
unexposed AgBr
13. Give a 25% barium solution for upper GI series - and give At what dose?
3cc/#
hyperesthesia
highest mA and smallest time fraction
narrow latitude film
14. What type of film gives more detailed radiographs but more exposure to everyone involved? (commonly used as dental film - or for extremities)
medium film
non-screen
double mAs
the sharper the radiograph
15. Body cells affected - damage seen during lifetime of creature - can be immediate or cummulative
reflective layer
2
fast film
somatic damage
16. Types of grids
large crystals - small crystals
mAs
reflective layer
focused and unfocused or parallel
17. Is the density difference between 2 adjacent areas on a radiograph
paralysis
mAs
contrast
fogging
18. Distance from the grid to the x-ray tube (36-40 inches)
grid cutoff
15 cm
grid focus
screen film
19. Must be radiolucent
film cassette
true
increase density
nucleus pulposis
20. A lightproof encasement designed to hold x-ray film and intensifying screens in close contact
intussusception
heel effect
cassette
lines per centimeter
21. What is the term for when the animal's bowel engulfs a piece of bowel distal to it - causing blockage
intussusception
3cc/#
10
metallic silver
22. We are supposed to use a grid if the abdomen is greater than or equal to......
double mAs
non-screen film
decrease scatter radiation
10 cm
23. A clear protective layer on radiographic film
5
genetic and somatic
white
supercoat
24. Is the source of electrons
double contrast
light source
grid cutoff
cathode
25. Loss of movement in legs (front and/or back)
idiopathic
focal spot
paralysis
grid efficiency
26. Ideally is very small
anode
kVp
non-screen
focal spot
27. Radiograph of a dogs skeleton has a long scale of contrast
white and black are reversed
cathode
false
cervical
28. Dislocations or separations
NYS Public Health Law #225
luxations
lines per centimeter
film cassette
29. We should always try and stay How many feet from our x-ray machine
kVp or mAs
cervical
6 ft
5
30. Is on the anode and is angled at approximately 20 degrees from vertical
false
quantum mottle
focal spot
short scale of contrast
31. What gives off 4 times the amount of light photons than does the calcium tungstate (it gives off green light)
medium film
non-screen
peak kilovoltage
rare earth elements
32. The electrical current sent through the filament to cause this electron release is called
long scale of contrast
non-screen
whiter
milliamperage
33. What needs to have high levels of x-ray absorbtion
screens (phosphor layer)
3cc/#
visible light
true
34. Incorrect grid focus is one reason for
grid cutoff
inverse square law
increase density
non-screen
35. Infection of a disk - or bone near it
visible light
medium film
non-screen film
diskospondylitis
36. On a lateral view of the chest the aorta is dorsal to the caudal vena cava
cassette
double mAs
true
somatic damage
37. Crystals + x-rays = ?
focused and unfocused or parallel
visible light
idiopathic
focal spot
38. A grid must be used on the chest if it's 11cm thick
joint mouse
non-screen film
false
true
39. Growth - gonadal - neoplastic - and metabolically active cells are what kind of cells
grid cutoff
density
rapidly dividing
x-rays
40. The smaller the focal spot
false
wobblers syndrome
the sharper the radiograph
false
41. MAs for bone views (pelvis - skull - spine) 2x =?
focal film distance
abnormalities
paresis
10
42. Size film we use here
14 x 17
kVp or mAs
long scale of contrast
scatter radiation
43. When the density difference is great - there is
high contrast
speed
fluoroscopy
4 ft
44. Types of cell damage
genetic and somatic
lead cone and adjustable lead shutters
kVp
santes' rule
45. This gives you the desired mAs - and it gives less time for your patient to move
peak kilovoltage
silver halide
highest mA and smallest time fraction
reflective layer
46. The x-ray machine we've been using has a rotating anode
kVp
grid cutoff
true
screen film
47. X-ray gloves have to have....of lead equivalent
paralysis
kVp
10 cm
0.5mm
48. The back of the cassette is made of lead to decrease....
back scatter
false
screens (phosphor layer)
true
49. The effective focal spot is approximately 1/3 the size of the actual focal spot
heel effect
anode
true
medium film
50. In the dark room - the safe light (red light) needs to be at least how far away from the loading bench
aluminum
4 ft
long scale of contrast
40