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 are the 2 types of anodes
stationary and rotating
highest mA and smallest time fraction
no contrast
hypaque
2. Affects both density and contrast
density
cathode
milliamperage
kVp
3. Incorrect grid focus is one reason for
inverse square law
15% rule for kVp
medium film
grid cutoff
4. When a body part is greater than or equal to.....you should use a grid
idiopathic
movement
10 cm
higher mA
5. Means more electrons will be released from the filament and directed at the anode
x-rays
higher mA
grey
large crystals - small crystals
6. When the density difference is great - there is
high contrast
screen film
6 ft
arthritis
7. AgBr + light =
screen film
slow
10 cm
heel effect
8. When the AgBr reacts and ionizes with light or x-rays - than at this point - What is on the film is known as the
latent image
cathode
reflective layer
grid efficiency
9. MAs for abdomen (standard mAs) x=?
sensitive cells
6 ft
x-rays
5
10. Radiographic signs dont always agree with what
non-screen
more light
lens
clinical signs
11. What is one of the most common areas of occurance for spinal problems ( 85% dachshunds)
thoracic(caudal) and lumbar
paresis
higher mA
kVp or mAs
12. To double the density
15% rule for kVp
genetic damage
false
double mAs
13. This is used to take 'real-time' radiographs - used a lot in horses
arthritis
film cassette
medium film
fluoroscopy
14. If there's no object in the way of an x-ray - the picture would be
black
x-rays
SOP
hyperesthesia
15. Is the electrical current that heats the filament
movement
intensifying screens
milliamperage
mAs
16. Must be radiolucent
indirect relationship
genetic and somatic
film cassette
grid efficiency
17. Radiograph of a dogs skeleton has a long scale of contrast
2.5
false
AgBr
reflective layer
18. A layer of intensifying screen that reflects the light from the phosphor layer toward the film
reflective layer
osteomyelitis
false
no contrast
19. Areas on film that should be black but come out grey - due to storage
heel effect
pneumocystogram
black
fogging
20. Is influenced by quantity of x-rays(mAs) - quality of x-rays (kVp) - type and thickness of tissue being x-rayed
density
afterglow
false
false
21. Grid helps reduce the amount of......
anode
scatter radiation
focal spot
kVp
22. What is the term for the spotty appearance on the film due to the large crystals in the screens
quantum mottle
increase density
lead cone and adjustable lead shutters
cervical
23. X-ray machines come with a set one - we cannot adjust it
focal spot
kVp
arthritis
AgBr
24. Does move - has disks that rotate at high speeds - this helps spread out the heat that's produced as the electrons hit the focal spot
x-rays
wobblers syndrome
screen film
rotating anode
25. Has a positive charge
anode
0.5mm
40
screens (phosphor layer)
26. Collimator
decrease scatter radiation
non-screen
kVp
white
27. Less forgiving - high contrast - cannot tolerate changes in exposure or processing
thoracic(caudal) and lumbar
focal spot
narrow latitude film
kVp
28. Is on the anode and is angled at approximately 20 degrees from vertical
direct relationship
focal spot
15 cm
stops peristalsis
29. These screens are the most common type - they give good resolution with relatively low exposure
mAs
medium or par
quantum mottle
screen film
30. White against black - like the x-ray of a plain skeleton
short scale of contrast
heel effect
higher mA
fixer
31. MAs for ANY part - when using a grid 3x= ?
black
first trimester
fast film
15
32. The focused grid is upside down - is one reason for
4 ft
grid cutoff
wobblers syndrome
true
33. Distance from the grid to the x-ray tube (36-40 inches)
medium or par
grid focus
true
cathode
34. Compound of silver and bromine - chlorine - or iodine - all of which are in the halogen group of elements
caudal border of scapula
effective focal spot
silver halide
screens (phosphor layer)
35. Extra pain is also called
high contrast
hyperesthesia
grid cutoff
osteomyelitis
36. The back of the cassette is made of lead to decrease....
back scatter
rotating anode
true
5
37. Increased thickness of this leads to increased x-ray absorption and increased visible light emission from the crystals
phosphor layer
effective focal spot
density
true
38. MAs for extremities
15 cm
hypaque
5
heel effect
39. Has a filament made of tungsten - due to the high melting point
cathode and anode
1/30
AgBr
reflective layer
40. If the kVp is increased by 15% - the density is doubled
visible light
decrease scatter radiation
15% rule for kVp
latent image
41. What needs to have high levels of x-ray absorbtion
true
false
secondary
screens (phosphor layer)
42. This pertains to the size of the electron cloud and thus directly to the number of x-ray produced
stops peristalsis
2
5
mAs
43. Safe Operating Procedures
decrease scatter radiation
phosphor layer dyes
white
SOP
44. AgBr + x-rays =
radiograph
phosphor layer dyes
mAs
non-screen film
45. The smaller the focal spot
black
increase scatter
the sharper the radiograph
2
46. Must change if the FFD changes
light source
mAs
stops peristalsis
wide latitude film
47. These crystals will turn white/clear when processing film
cathode
unexposed AgBr
cathode
phosphor layer
48. What type of bone tumors started elsewhere and spread to the location it was found
pneumocystogram
inflammation an granuloma
secondary
x-rays
49. We are supposed to use a grid if the abdomen is greater than or equal to......
screens (phosphor layer)
grid focus
10 cm
clinical signs
50. A type of electromagnetic radiation which have a shorter wavelength than visible light
x-rays
medium or par
short scale of contrast
slow film