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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. Is located in a focusing cup made of molybdenum which has a high melting point and helps to direct the electrons produced toward the cathode
cathode filament
true
cervical
0.25mm
2. What needs to have high levels of x-ray to light conversion with the correct energy and color for the type of film used
screens (phosphor layer)
14 x 17
focal spot
black
3. Another result of the 20 degree angling
heel effect
somatic damage
film cassette
cervical
4. What type of bone tumors started elsewhere and spread to the location it was found
reflective layer
latent image
pneumocystogram
secondary
5. Is to the left - electrons bounce off it at a 20 degree angle
short scale of contrast
non-screen
NYS Public Health Law #225
anode
6. If barium leaks into the abdomen or lungs - it can cause what
inflammation an granuloma
false
short scale of contrast
quantum mottle
7. Is the density difference between 2 adjacent areas on a radiograph
contrast
decrease scatter radiation
primary
cathode
8. KVp=(2x thickness of body part in cm) + 40
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9. X-ray machines come with a set one - we cannot adjust it
stops peristalsis
x-rays
focal spot
radiographic detail
10. Sheets of luminescent phosphor crystals bound together and mounted on a cardboard or plastic base
focal spot
false
15 cm
intensifying screens
11. This is used to take 'real-time' radiographs - used a lot in horses
grid cutoff
non-screen
indirect relationship
fluoroscopy
12. This is inversely proportional to screen speed
6 ft
5
mAs
radiographic detail
13. Has a filament made of tungsten - due to the high melting point
narrow latitude film
screens (phosphor layer)
cathode and anode
reflective layer
14. The mAs has to do with the power of the x-rays produced
false
screens (phosphor layer)
inflammation an granuloma
focal spot
15. This is caused by mutations in gonadal cells - not seen until offspring are produced - mutations are not always bad
genetic damage
narrow latitude film
high contrast
black
16. Aluminum filter
decrease scatter radiation
high contrast
screen film
true
17. With this procedure - no x-ray film is involved at all
false
fluoroscopy
false
unexposed AgBr
18. With the heel effect - more x-rays tend to be in the beam toward this end of the tube
15% rule for kVp
fluoroscopy
cathode
calcium tungstate
19. Most commonly used film - compromise between graininess and speed (detail)
grid focus
medium film
2
clinical signs
20. The x-ray machine we've been using has a rotating anode
slow
6 ft
10 cm
true
21. Is the most common artifact in radiography
lead cone and adjustable lead shutters
movement
true
more light
22. What specific part of the eye is cloudy with a cataract
cathode
lens
metallic silver
santes' rule
23. With the heel effect - more x-rays tend to be produced toward the cathode end
true
anode
secondary
direct relationship
24. Compound of silver and bromine - chlorine - or iodine - all of which are in the halogen group of elements
lines per centimeter
silver halide
cervical
focal spot
25. When a body part is greater than or equal to.....you should use a grid
NYS Public Health Law #225
10 cm
non-screen film
cassette
26. If perforation is suspected - what compound do we use when radiographing
iodine
x-rays
secondary
first trimester
27. X-ray gloves have to have....of lead equivalent
0.5mm
light source
grid cutoff
adjustable lead shutters
28. A lightproof encasement designed to hold x-ray film and intensifying screens in close contact
no contrast
cassette
wobblers syndrome
focused and unfocused or parallel
29. Types of grids
medium film
electrons
focused and unfocused or parallel
milliamperage
30. Measures the power of penetrability (quality) of the x-rays produced
film cassette
kVp
highest mA and smallest time fraction
more x-rays produced
31. For bladder cystography - we use what contrast material instead of barium
15
hypaque
intensifying screens
density
32. If there's no object in the way of an x-ray - the picture would be
white
black
non-screen
highest mA and smallest time fraction
33. We ideally take a radiograph of the abdomen at the peak of inspiration
stationary and rotating
stops peristalsis
genetic damage
false
34. If there's metal in the way of an x-ray - than no x-rays will get through and that part would be
white
slow
false
increase density
35. Are produced when electrons are slowed down or stopped by atoms in the target area where they are aimed
6 ft
first trimester
NYS Public Health Law #225
x-rays
36. What is one of the most common areas of occurance for spinal problems ( 85% dachshunds)
thoracic(caudal) and lumbar
cervical
quantum mottle
5
37. Give a 25% barium solution for upper GI series - and give At what dose?
screen film
6 ft
3cc/#
decrease scatter radiation
38. Is responsible for the number or quantity of x-rays
silver halide
somatic damage
mAs
iodine
39. The shorter the wavelength of the x-ray - the more powerful the x-ray is
true
cathode
rotating anode
kVp or mAs
40. Loss of movement in legs (front and/or back)
caudal border of scapula
joint mouse
10 cm
paralysis
41. Animal has broken femur - it's ideal to have How many radiographs for diagnostic purposes
2
no contrast
NYS Public Health Law #225
wobblers syndrome
42. Film with: high detail - minimal graininess - increased exposure
true
phosphor type
sensitive cells
slow film
43. Slowly growing dividing cells are the most sensitive to the effects of ionizing radiaton
3cc/#
non-screen
cathode filament
false
44. MAs for bone views (pelvis - skull - spine) 2x =?
mAs
10
10 cm
rapidly dividing
45. The 2 types of collimators are
lead cone and adjustable lead shutters
back scatter
grid cutoff
inversely proportional
46. To double the density
rotating anode
true
double mAs
cathode
47. A grid must be used on the chest if it's 11cm thick
screen film
inflammation an granuloma
milliamperage
false
48. Safe Operating Procedures
SOP
effective focal spot
spondylosis
fast
49. Weakness
0.5mm
true
paresis
anode
50. 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)
true
rapidly dividing
movement
calcium tungstate