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. This is inversely proportional to screen speed
radiographic detail
hypaque
10
electrons
2. Increase mAs and kVp in order to...
increase density
thoracic(caudal) and lumbar
grid cutoff
radiographic detail
3. This pertains to the size of the electron cloud and thus directly to the number of x-ray produced
dosimeter
cathode filament
mAs
kVp or mAs
4. Weakness
false
paresis
5
focused and unfocused or parallel
5. The electrical current sent through the filament to cause this electron release is called
genetic and somatic
false
milliamperage
medium or par
6. The picture formed after the film has been exposed to x-rays and then processed into a visible image.
electrons
white
radiograph
cathode
7. What are the 2 types of anodes
stationary and rotating
large crystals - small crystals
mAs
false
8. Are produced when electrons are slowed down or stopped by atoms in the target area where they are aimed
screens (phosphor layer)
x-rays
hypaque
heel effect
9. General purpose film - forgiving
electrons
wide latitude film
first trimester
stationary and rotating
10. Longer wavelengths of electromagnetic radiation have more penetrating power
4 ft
latent image
screen film
false
11. Affects both density and contrast
medium or par
sensitive cells
back scatter
kVp
12. Most commonly used film - compromise between graininess and speed (detail)
stops peristalsis
stationary and rotating
medium film
highest mA and smallest time fraction
13. Growth - gonadal - neoplastic - and metabolically active cells are what kind of cells
Maximum Permissible Dose
false
x-rays
rapidly dividing
14. Collimator
decrease scatter radiation
double contrast
clinical signs
paresis
15. Lung tissue appears black (radiolucent) on a radiograph
false
inverse square law
true
phosphor layer
16. Is the source of electrons
intensifying screens
2
cathode
back scatter
17. Is influenced by quantity of x-rays(mAs) - quality of x-rays (kVp) - type and thickness of tissue being x-rayed
focal spot
white
density
increase density
18. Increased thickness of this leads to increased x-ray absorption and increased visible light emission from the crystals
more light
inversely proportional
spondylosis
phosphor layer
19. What type of cystogram uses air and hypaque
highest mA and smallest time fraction
decrease scatter radiation
double contrast
3cc/#
20. MAs for bone views (pelvis - skull - spine) 2x =?
calcium tungstate
non-screen film
10
milliamperage
21. These crystals will turn white/clear when processing film
fluoroscopy
screen film
unexposed AgBr
luxations
22. Pigments tend to decrease the lateral spread of light so there is increased detail
density
phosphor layer dyes
false
mAs
23. 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
heel effect
electrons
higher mA
Maximum Permissible Dose
24. If the kVp is too high
SOP
screens (phosphor layer)
diskospondylitis
increase scatter
25. Film that is more sensitive to ionizing radiation than to fluorescent light
non-screen film
kVp or mAs
reflective layer
lens
26. X-ray gloves have to have....of lead equivalent
0.5mm
silver halide
2
electrons
27. The greater the number of electrons released
highest mA and smallest time fraction
0.5mm
the higher the mA
fast
28. Legally - a non-pregnant woman is required to hold a HBC dog for radiographs in NYS
afterglow
false
narrow latitude film
reflective layer
29. The layer of the film where the action occurs
highest mA and smallest time fraction
15% rule for kVp
AgBr
erythema
30. As this increases - the intensity of the x-ray beam decreases - so the beam intensity increases - and the mAs must decrease to compensate
arthritis
FFD
lead cone and adjustable lead shutters
paralysis
31. This stage of pregnancy is the most dangerous for the fetus
iodine
fogging
first trimester
contrast
32. A device that moves the grid back and forth under the table. it helps to prevent grid lines from showing
potter-bucky diagram
wobblers syndrome
10
2
33. Monitors personal exposure to radiation
dosimeter
AgBr
focused and unfocused or parallel
stationary anode
34. On a lateral view of the chest the aorta is dorsal to the caudal vena cava
true
FFD
increase density
false
35. The x-ray machine we've been using has a rotating anode
15 cm
diskospondylitis
true
wobblers syndrome
36. 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
lens
pneumocystogram
rotating anode
non-screen film
37. MAs for chest 1/2x =?
grey
14 x 17
grid cutoff
2.5
38. A grid must be used on the chest if it's 11cm thick
erythema
false
fixer
kVp or mAs
39. Bone infection - also known as spondylitis
indirect relationship
15
hypaque
osteomyelitis
40. Cassettes can be made of.....Which is the type here - or they can be made of magnesium - vinyl - etc
aluminum
3cc/#
5
screens (phosphor layer)
41. Rotating anode
slow
decrease scatter radiation
dosimeter
cathode filament
42. What type of films need a lot more x-ray exposure and more time to expose them
metallic silver
false
reflective layer
non-screen
43. An invisible image on the x-ray film Which becomes visible after it has been processed in the manual or automatic processor
latent image
10
2
high contrast
44. Animal has broken femur - it's ideal to have How many radiographs for diagnostic purposes
luxations
5
focal film distance
2
45. Is the measurement for the maximum energy available at that setting
non-screen film
false
peak kilovoltage
14 x 17
46. The efficiency of this reflects light made by phosphors back towards the film
0.5mm
idiopathic
reflective layer
white
47. In which processing solution do unionized (green) AgBr crystals get removed from the film
highest mA and smallest time fraction
fixer
non-screen
grey
48. The 2 types of collimators are
true
lead cone and adjustable lead shutters
increase density
dosimeter
49. What must have little or no 'afterglow'
osteomyelitis
screens (phosphor layer)
grid cutoff
false
50. With this procedure - no x-ray film is involved at all
milliamperage
annulus fibrosis
10
fluoroscopy