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WorksheetsBMET Course 111.3
Total questions: 67
Worksheet time: 34mins
Name
Class
Date
1.
A device that measures the exposure to ionizing radiation is called
a)
Dosimeter
b)
Anode
c)
Grid
d)
Bore
e)
Field of View
2.
The pos charded side of the X-ray tube is known as
a)
Dosimeter
b)
Anode
c)
Grid
d)
Bore
e)
Field of View
3.
Used to absorb scatter radiation
a)
Dosimeter
b)
Anode
c)
Grid
d)
Bore
e)
Field of View
4.
The light in the collimator illuminates the ___ ensuring the PT is properly positioned
a)
Dosimeter
b)
Anode
c)
Grid
d)
Bore
e)
Field of View
5.
Five main components of a fixed x-ray system
a)
tube head
b)
table
c)
wall stand
d)
generator
e)
control station
6.
Wall stands are most commonly used for
a)
chest x-ray
b)
to remove power immediately
c)
restrict
d)
radiation absorbed does (RAD)
7.
What is the most commonly performed diagnostic x-ray examination
a)
chest x-ray
b)
to remove power immediately
c)
restrict
d)
radiation absorbed does (RAD)
8.
Why do x-ray systems have an emergency shut off switch
a)
chest x-ray
b)
to remove power immediately
c)
restrict
d)
radiation absorbed does (RAD)
9.
Mechanical collimator shutters are used to ___ the x-ray field
a)
chest x-ray
b)
to remove power immediately
c)
restrict
d)
radiation absorbed does (RAD)
10.
The amount of radiation received in units of heat energy
a)
chest x-ray
b)
to remove power immediately
c)
restrict
d)
radiation absorbed does (RAD)
11.
The image intensifier has 6 main parts, including: X-ray ...
a)
input window
b)
input phosphor
c)
photocathode
d)
output phosphor
e)
output window
12.
The distance from the x-ray generation at the tube head to the detector
a)
flat panel detectors (FPD)
b)
Continuous
c)
Pulsed
d)
Cathode
e)
SID
13.
Consists of two filaments in a focusing cup
a)
flat panel detectors (FPD)
b)
Continuous
c)
Pulsed
d)
Cathode
e)
SID
14.
X-rays are often delivered at a rate of 7.5, 10, 15, and 30 second pulses
a)
flat panel detectors (FPD)
b)
Continuous
c)
Pulsed
d)
Cathode
e)
SID
15.
The x-rays are turned on and off repeatedly in a short period of time
a)
flat panel detectors (FPD)
b)
Continuous
c)
Pulsed
d)
Cathode
e)
SID
16.
X-rays are turned on until the button is released
a)
flat panel detectors (FPD)
b)
Continuous
c)
Pulsed
d)
Cathode
e)
SID
17.
Many ___ will provide up to 60 frames per second in full resolution
a)
flat panel detectors (FPD)
b)
Continuous
c)
Pulsed
d)
Cathode
e)
SID
18.
High voltage to ___ anode
a)
Spinning
b)
filament
c)
artifacts
d)
shielding
e)
chest
19.
Low voltage to cathode ___
a)
Spinning
b)
filament
c)
artifacts
d)
shielding
e)
chest
20.
Any item that obscures the desired info on the radiographic image
a)
Spinning
b)
filament
c)
artifacts
d)
shielding
e)
chest
21.
Thin layers of lead built into walls and barriers
a)
Spinning
b)
filament
c)
artifacts
d)
shielding
e)
chest
22.
X-ray systems with only a wall stand are often known as ___ rooms
a)
Spinning
b)
filament
c)
artifacts
d)
shielding
e)
chest
23.
A device that measures exposure to ionizing radiation
a)
dosimeter
b)
grid
c)
collimator
d)
FOV
e)
Attenuation
24.
A plate, typically used in the bucky that aborbs scatter radiation
a)
dosimeter
b)
grid
c)
collimator
d)
FOV
e)
Attenuation
25.
Two sets, lateral and transverse, ___ blades
a)
dosimeter
b)
grid
c)
collimator
d)
FOV
e)
Attenuation
26.
The part of the PTs anatomy that is displayed in the image
a)
dosimeter
b)
grid
c)
collimator
d)
FOV
e)
Attenuation
27.
A reduction in the number or intensity of x-rays as a result of absorption
a)
dosimeter
b)
grid
c)
collimator
d)
FOV
e)
Attenuation
28.
Mechanical shutters
a)
Collimation
b)
Attenuation
c)
scatter
d)
absorption
e)
contrast
29.
Loss of intensity
a)
Collimation
b)
Attenuation
c)
scatter
d)
absorption
e)
contrast
30.
Random directions
a)
Collimation
b)
Attenuation
c)
scatter
d)
absorption
e)
contrast
31.
X-ray travel stopped
a)
Collimation
b)
Attenuation
c)
scatter
d)
absorption
e)
contrast
32.
(NOT dyes)
a)
Collimation
b)
Attenuation
c)
scatter
d)
absorption
e)
contrast
33.
Desinged to amplify light
a)
Image intensifier
b)
Radiation absorbed does
c)
brightness gain
d)
interrogation time
e)
spatial resolution
34.
Radiation in units of heat energy
a)
Image intensifier
b)
Radiation absorbed does
c)
brightness gain
d)
interrogation time
e)
spatial resolution
35.
Amplification of light intensity
a)
Image intensifier
b)
Radiation absorbed does
c)
brightness gain
d)
interrogation time
e)
spatial resolution
36.
Time for ready state
a)
Image intensifier
b)
Radiation absorbed does
c)
brightness gain
d)
interrogation time
e)
spatial resolution
37.
Pixels per area
a)
Image intensifier
b)
Radiation absorbed does
c)
brightness gain
d)
interrogation time
e)
spatial resolution
38.
Attnuate low-energy x-ray photons
a)
Filters
b)
Fluorescent screen
c)
photocathode
d)
Charged Coupled Device (CCD)
e)
Flat Panel Detector
39.
Converstions of x-rays into visible light
a)
Filters
b)
Fluorescent screen
c)
photocathode
d)
Charged Coupled Device (CCD)
e)
Flat Panel Detector
40.
Converts light photons to photoelectrons
a)
Filters
b)
Fluorescent screen
c)
photocathode
d)
Charged Coupled Device (CCD)
e)
Flat Panel Detector
41.
Type of camera
a)
Filters
b)
Fluorescent screen
c)
photocathode
d)
Charged Coupled Device (CCD)
e)
Flat Panel Detector
42.
Provides up to 60 frames per second
a)
Filters
b)
Fluorescent screen
c)
photocathode
d)
Charged Coupled Device (CCD)
e)
Flat Panel Detector
43.
Turned on and off
a)
Pulsed
b)
Continuous
c)
extinction time
d)
cardiac catheterization
44.
not pulsed
a)
Pulsed
b)
Continuous
c)
extinction time
d)
cardiac catheterization
45.
Time to be in "off" state
a)
Pulsed
b)
Continuous
c)
extinction time
d)
cardiac catheterization
46.
Blood flow in arteries
a)
Pulsed
b)
Continuous
c)
extinction time
d)
cardiac catheterization
47.
View joint fuctionality
a)
Arthography
b)
ALARA
c)
Lead Aprons
d)
Dosimetery Badge
48.
Legal dose limits
a)
Arthography
b)
ALARA
c)
Lead Aprons
d)
Dosimetery Badge
49.
Shielding
a)
Arthography
b)
ALARA
c)
Lead Aprons
d)
Dosimetery Badge
50.
Monitors exposure
a)
Arthography
b)
ALARA
c)
Lead Aprons
d)
Dosimetery Badge
51.
Parts of the Fluoroscopy
a)
Xray source
b)
Fluorescent screen
c)
Image intensifier/Digital detector
d)
Camera
e)
Viewing station
52.
The is typically a combination of the x-ray tube, filters, and collimators
a)
Xray source
b)
Fluorescent screen
c)
Image intensifier/Digital detector
d)
Camera
e)
Viewing station
53.
The conversion of non-visible x-rays into visible light is now handled by electronic sensors that convert the rays into electric signals processed by a computer
a)
Xray source
b)
Fluorescent screen
c)
Image intensifier/Digital detector
d)
Camera
e)
Viewing station
54.
resulted in the greatest reduciton in PT exposure in radiographic imaging history. Magnifies brightness anywhere from 5k-20k times its original value. Convex and made of 1mm of Aluminum
a)
Xray source
b)
Fluorescent screen
c)
Image intensifier/Digital detector
d)
Camera
e)
Viewing station
55.
Analog vidicon, CCD, CMOS
a)
Xray source
b)
Fluorescent screen
c)
Image intensifier/Digital detector
d)
Camera
e)
Viewing station
56.
Has a HQ monitor where technicians and doctors can observe, save, archive, transfer, modify, enter/edit PT data
a)
Xray source
b)
Fluorescent screen
c)
Image intensifier/Digital detector
d)
Camera
e)
Viewing station
57.
Mechanical shutters that limit the FOV
a)
Collmation
b)
Radiation Absorbed Dose
c)
Attenuation
d)
Contrast agests
e)
image intensifier
58.
Amount of radiation received in units of heat energy
a)
Collmation
b)
Radiation Absorbed Dose
c)
Attenuation
d)
Contrast agests
e)
image intensifier
59.
Loss of useful ionizing radiation due to absorption or scatter
a)
Collmation
b)
Radiation Absorbed Dose
c)
Attenuation
d)
Contrast agests
e)
image intensifier
60.
substances that temportarily change the way x-rays interact with the body. These agents are NOT dyes. They can be swallowed, enema, injected into the blood
a)
Collmation
b)
Radiation Absorbed Dose
c)
Attenuation
d)
Contrast agests
e)
image intensifier
61.
Vacuum tube designed to amplify the brightness of the fluoroscopic image
a)
Collmation
b)
Radiation Absorbed Dose
c)
Attenuation
d)
Contrast agests
e)
image intensifier
62.
the amount an image intensifier is able to amplify the light intensity of an image
a)
Brightness Gain
b)
Interrogation time
c)
Extinction time
d)
Spatial resolution
63.
the time it takes for the x-ray tube to be in an "on" or ready state
a)
Brightness Gain
b)
Interrogation time
c)
Extinction time
d)
Spatial resolution
64.
the time it takes for the x-ray tube to be in an "off" state
a)
Brightness Gain
b)
Interrogation time
c)
Extinction time
d)
Spatial resolution
65.
more pixels per area, sharpness of the image
a)
Brightness Gain
b)
Interrogation time
c)
Extinction time
d)
Spatial resolution
66.
a flat light-sensing device using silicon as the active component
a)
Charged Couple Device (CCD)
b)
Complimentary Metal-oxide Semiconductor (CMOS)
67.
a flat light-sensing device that uses two semiconductor layers (one pos and one neg)
a)
Charged Couple Device (CCD)
b)
Complimentary Metal-oxide Semiconductor (CMOS)
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