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. Animal has broken femur - it's ideal to have How many radiographs for diagnostic purposes
stationary anode
2
sensitive cells
SOP
2. The effective focal spot is approximately 1/3 the size of the actual focal spot
decrease scatter radiation
true
screen film
screens (phosphor layer)
3. Is the electrical current that heats the filament
unexposed AgBr
milliamperage
high contrast
x-rays
4. This gives you the desired mAs - and it gives less time for your patient to move
true
10
highest mA and smallest time fraction
kVp
5. Types of cell damage
double contrast
genetic and somatic
diskospondylitis
paralysis
6. What is the name for the cartilage flap in the shoulder joint that has broken free and is floating around in the joint fluid
Maximum Permissible Dose
grid focus
joint mouse
stationary and rotating
7. Is the density difference between 2 adjacent areas on a radiograph
0.5mm
contrast
cathode filament
short scale of contrast
8. What is the term for when the animal's bowel engulfs a piece of bowel distal to it - causing blockage
kVp
focal spot
radiograph
intussusception
9. The back of the cassette is made of lead to decrease....
contrast
cathode
density
back scatter
10. Rotating anode
decrease scatter radiation
the higher the mA
screen film
intensifying screens
11. The greater the number of electrons released
the higher the mA
unexposed AgBr
phosphor type
0.5mm
12. Lung tissue appears black (radiolucent) on a radiograph
x-rays
first trimester
true
10 cm
13. They don't move - they're found in dental units and portable units - cannot withstand the heat produced from large units
SOP
potter-bucky diagram
stationary anode
effective focal spot
14. What is the term for the spotty appearance on the film due to the large crystals in the screens
somatic damage
quantum mottle
scatter radiation
santes' rule
15. Incorrect grid focus is one reason for
heel effect
grid cutoff
radiographic detail
non-screen
16. Give a 25% barium solution for upper GI series - and give At what dose?
paralysis
false
3cc/#
2
17. Between density and mAs
idiopathic
indirect relationship
decrease scatter radiation
direct relationship
18. Increased crystal size.....
4 ft
reflective layer
stationary and rotating
more light
19. Outer layer of disk ( dries out and cracks and causes disk to herniate)
metallic silver
annulus fibrosis
screen film
anode
20. Safe Operating Procedures
SOP
AgBr
black
kVp
21. Is only 1/3 the size of the actual focal spot
effective focal spot
luxations
cathode
electrons
22. Infection of a disk - or bone near it
cassette
true
diskospondylitis
quantum mottle
23. Film that is more sensitive to ionizing radiation than to fluorescent light
non-screen film
abnormalities
double mAs
caudal border of scapula
24. The 2 types of collimators are
lead cone and adjustable lead shutters
rare earth elements
false
black
25. What needs to have high levels of x-ray absorbtion
lens
screens (phosphor layer)
false
15
26. If barium leaks into the abdomen or lungs - it can cause what
heel effect
highest mA and smallest time fraction
inflammation an granuloma
grid efficiency
27. White against black - like the x-ray of a plain skeleton
short scale of contrast
hyperesthesia
density
non-screen film
28. If the kVp is too high
true
screen film
increase scatter
focused and unfocused or parallel
29. If the thorax is greater than or equal to....you should use a grid
fluoroscopy
15 cm
medium or par
supercoat
30. These crystals will turn white/clear when processing film
milliamperage
unexposed AgBr
stationary and rotating
back scatter
31. Increase what value to penetrate thick body parts
aluminum
primary
kVp
fixer
32. If the kVp is too low
no contrast
visible light
screens (phosphor layer)
screens (phosphor layer)
33. Longer wavelengths of electromagnetic radiation have more penetrating power
electrons
screens (phosphor layer)
false
true
34. Pigments tend to decrease the lateral spread of light so there is increased detail
phosphor layer dyes
2
NYS Public Health Law #225
FFD
35. MAs for chest 1/2x =?
screen film
fast film
2.5
grid efficiency
36. General purpose film - forgiving
wide latitude film
electrons
non-screen
quantum mottle
37. The x-ray machine we've been using has a rotating anode
short scale of contrast
scatter radiation
true
electrons
38. What type of film has no screens or film cassettes
osteomyelitis
nucleus pulposis
slow film
non-screen
39. What is one of the most common area of occurance for spinal problems (15% dobermans)
true
cervical
short scale of contrast
cathode
40. Film with silver crystals that is more sensitive to fluorescent light emitted from intensifying screens than to ionizing radiation
aluminum
density
stops peristalsis
screen film
41. Affects both density and contrast
mAs
15
15 cm
kVp
42. We are supposed to use a grid if the abdomen is greater than or equal to......
AgBr
stops peristalsis
black
10 cm
43. Sheets of luminescent phorphor crystals on a cardboard or plastic base
non-screen film
inverse square law
intensifying screens
inflammation an granuloma
44. Is to the right - it produces the electrons
metallic silver
somatic damage
10
cathode
45. Must increase.....to compensate for x-ray absorption by the grid. (we triple our mAs)
black
hyperesthesia
pneumocystogram
kVp or mAs
46. If perforation is suspected - what compound do we use when radiographing
grid cutoff
iodine
unexposed AgBr
double mAs
47. When processing film - the black areas are made of
radiographic detail
metallic silver
0.5mm
arthritis
48. 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
electrons
true
more light
luxations
49. When doing a lateral radiograph of the thorax/chest - the x-ray beam should be centered over what specific anatomical landmark
true
true
cathode
caudal border of scapula
50. Means more electrons will be released from the filament and directed at the anode
higher mA
cathode filament
mAs
FFD