SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 type of bone tumors started in the location they were first found
primary
heel effect
electrons
wide latitude film
2. Faster screens/less detail; slower screens/more detail
fast film
caudal border of scapula
large crystals - small crystals
abnormalities
3. Is on the anode and is angled at approximately 20 degrees from vertical
rapidly dividing
focal spot
line focus principle
heel effect
4. A living animal - with tissue densities such as fat - muscle - fluid - and air
cathode
long scale of contrast
milliamperage
grid cutoff
5. Monitors personal exposure to radiation
effective focal spot
primary
dosimeter
rare earth elements
6. Bone infection - also known as spondylitis
short scale of contrast
the sharper the radiograph
light source
osteomyelitis
7. Tilting of the tube or grid is one reason for
0.5mm
grid cutoff
stationary anode
0.25mm
8. If perforation is suspected - what compound do we use when radiographing
aluminum
iodine
back scatter
intensifying screens
9. When a body part is greater than or equal to.....you should use a grid
10 cm
screens (phosphor layer)
quantum mottle
grid cutoff
10. What gives off 4 times the amount of light photons than does the calcium tungstate (it gives off green light)
potter-bucky diagram
rare earth elements
10
somatic damage
11. Film with: high detail - minimal graininess - increased exposure
5
slow film
medium or par
thoracic(caudal) and lumbar
12. If the grid is stationary - more lines that are finer are less apt to show up on a radiograph - this is called....
lines per centimeter
false
milliamperage
fluoroscopy
13. If the x-ray tube is not 36-40 inches from the grid - this is called the
grid cutoff
stops peristalsis
Maximum Permissible Dose
anode
14. Compound of silver and bromine - chlorine - or iodine - all of which are in the halogen group of elements
decrease scatter radiation
afterglow
latent image
silver halide
15. Legally - a non-pregnant woman is required to hold a HBC dog for radiographs in NYS
10 cm
electrons
screen film
false
16. These screens are the most common type - they give good resolution with relatively low exposure
grid cutoff
cathode
medium or par
lens
17. Within the collimator outlines just how much is collimated
light source
rotating anode
peak kilovoltage
grid cutoff
18. What is the term for the spotty appearance on the film due to the large crystals in the screens
kVp or mAs
quantum mottle
diskospondylitis
grid cutoff
19. Types of cell damage
no contrast
2.5
fogging
genetic and somatic
20. Hairloss or baldness
hyperesthesia
2.5
nucleus pulposis
alopecia
21. If the thorax is greater than or equal to....you should use a grid
false
cathode
15 cm
15% rule for kVp
22. Weakness
more light
white
paresis
grid cutoff
23. MAs for chest 1/2x =?
heel effect
2.5
radiographic detail
unexposed AgBr
24. Lung tissue appears black (radiolucent) on a radiograph
40
highest mA and smallest time fraction
true
more light
25. What type of cystogram uses air and hypaque
film cassette
double contrast
supercoat
10
26. Is only 1/3 the size of the actual focal spot
radiograph
unexposed AgBr
focal spot
effective focal spot
27. Extra pain is also called
non-screen
film cassette
hyperesthesia
nucleus pulposis
28. Loss of movement in legs (front and/or back)
10 cm
paralysis
long scale of contrast
kVp
29. This is caused by mutations in gonadal cells - not seen until offspring are produced - mutations are not always bad
cathode
supercoat
genetic damage
intussusception
30. When the AgBr reacts and ionizes with light or x-rays - than at this point - What is on the film is known as the
light source
rapidly dividing
grid cutoff
latent image
31. AgBr + light =
15 cm
fluoroscopy
screen film
electrons
32. Is the electrical current that heats the filament
film cassette
milliamperage
short scale of contrast
large crystals - small crystals
33. There are......intensifying screens within a cassette
kVp
screen film
2
cathode
34. Negative contrast agents appear what color on a radiograph
true
black
decrease scatter radiation
increase density
35. When this is exposed to x-rays - it will absorb photons (quanta) and give off photons of visible light which the film is sensitive to (give off blue light)
rotating anode
caudal border of scapula
calcium tungstate
wobblers syndrome
36. Is the device which restricts (narrows) the beam of x-rays as they leave the x-ray machine
paralysis
true
collimator
double contrast
37. Is responsible for the number or quantity of x-rays
focal spot
Maximum Permissible Dose
spondylosis
mAs
38. X-ray gloves have to have....of lead equivalent
adjustable lead shutters
0.5mm
electrons
cathode
39. The tendency of a luminescent compound to continue to give off light after x-radiation has stopped
afterglow
metallic silver
double contrast
peak kilovoltage
40. The effective focal spot is only 1/3 the size of the actual focal spot. this is called the
screen film
double contrast
highest mA and smallest time fraction
line focus principle
41. What is one of the most common area of occurance for spinal problems (15% dobermans)
0.25mm
cervical
spondylosis
caudal border of scapula
42. Areas on film that should be black but come out grey - due to storage
true
15
fogging
more light
43. Incorrect grid focus is one reason for
unexposed AgBr
lens
grid cutoff
lines per centimeter
44. An abdominal radiograph should be taken at the peak of expiration
visible light
true
10 cm
0.25mm
45. What is the term for a negative contrast cystogram where we inject air
x-rays
medium or par
3cc/#
pneumocystogram
46. Old mAs x (new FFD)2 divided by (old FFD)2
screens (phosphor layer)
the higher the mA
screens (phosphor layer)
inverse square law
47. This stage of pregnancy is the most dangerous for the fetus
cassette
NYS Public Health Law #225
first trimester
milliamperage
48. What type of films need a lot more x-ray exposure and more time to expose them
non-screen
peak kilovoltage
true
1/30
49. Redness of the skin
medium film
cervical
erythema
3cc/#
50. The effective focal spot is approximately 1/3 the size of the actual focal spot
spondylosis
screens (phosphor layer)
true
medium or par