Name: Score:
586 Multiple choice questions
Term 1 of 586
As the bandwidth of a television camera is increased:
1. More information is gained
2. The vertical resolution is decreased
3. The television camera pick-up tube is allowed to turn on and off more times per second
1 and 3
b. 1, 2 and 3 only
b. Under the table
1&2
Term 2 of 586
The structure of an individual cesium-iodide (CsI) crystal will allow for better resolution because
it:
1. Minimizes light spread
2. Increases the MTF value
3. Allows for a thicker phosphor layer
4. Decrease the number of line pairs per millimeter
photoiode
1,2,3
2 and 3
all of the above
,Term 3 of 586
A photospot film camera recording generally requires ___ percent of the radiation exposure per
individual image as compared to regular cassette spot filming.
50 - 70
20 - 50
10 - 30
30 - 40
Term 4 of 586
Mild Contrast Reactions
Pincushion distortion
Warmth
Flushing
Metallic taste
Coughing
Nausea
Unnecessary flicker
Quite radio-resistant
Term 5 of 586
On the displayed image each pixel is a visual representation of
Osl and tld
Scanning and quantization
Compression and expansion
Sampling and quantization
,Term 6 of 586
Patient radiation dose is ___ related with the framing frequency being used.
directly
inversely
indirectly
exponentially
Term 7 of 586
Informed Consent
2. Standing as far as practical from the patient
3. Wearing a lead apron of preferably 0.5 mm lead equivalent
4. Minimizing "beam on" time
Warmth
Flushing
Metallic taste
Coughing
Nausea
directly convert x-rays into an electric signal
Written or verbal
May require a signature which indicates patient understands limits or risks involved as
explained by physician.
Term 8 of 586
Inherent filtration + added filtration=
Collimation
Scatter radiation
Image subtraction
Total filtration
, Term 9 of 586
Milliamperage is a measure of the:
1. Increased Scatter
2. Increases Motion and Penumbral Blur
The Output phospor of the ii
national data bank collects reports and disclosure of actions taken
1. X-ray tube current
2. Quantity of x-rays
Term 10 of 586
During fluoroscopy, restrict ___________to
the small size practicable for the given exam
field size
radiation shielding
patient positioning
image quality settings
Term 11 of 586
The effects of cellular mutation by exposure to ionizing radiation can be:
a. Insignificant metabolic alterations
b. Minor interruption of normal function
c. Severe interruption of normal function
1. More horizontal scan line samples
3. More and smaller target globules
1. Acute skin erythema
2. Lower signal to noise ratios
3. Radiation damage to underlying tissues
national data bank collects reports and disclosure of actions taken
586 Multiple choice questions
Term 1 of 586
As the bandwidth of a television camera is increased:
1. More information is gained
2. The vertical resolution is decreased
3. The television camera pick-up tube is allowed to turn on and off more times per second
1 and 3
b. 1, 2 and 3 only
b. Under the table
1&2
Term 2 of 586
The structure of an individual cesium-iodide (CsI) crystal will allow for better resolution because
it:
1. Minimizes light spread
2. Increases the MTF value
3. Allows for a thicker phosphor layer
4. Decrease the number of line pairs per millimeter
photoiode
1,2,3
2 and 3
all of the above
,Term 3 of 586
A photospot film camera recording generally requires ___ percent of the radiation exposure per
individual image as compared to regular cassette spot filming.
50 - 70
20 - 50
10 - 30
30 - 40
Term 4 of 586
Mild Contrast Reactions
Pincushion distortion
Warmth
Flushing
Metallic taste
Coughing
Nausea
Unnecessary flicker
Quite radio-resistant
Term 5 of 586
On the displayed image each pixel is a visual representation of
Osl and tld
Scanning and quantization
Compression and expansion
Sampling and quantization
,Term 6 of 586
Patient radiation dose is ___ related with the framing frequency being used.
directly
inversely
indirectly
exponentially
Term 7 of 586
Informed Consent
2. Standing as far as practical from the patient
3. Wearing a lead apron of preferably 0.5 mm lead equivalent
4. Minimizing "beam on" time
Warmth
Flushing
Metallic taste
Coughing
Nausea
directly convert x-rays into an electric signal
Written or verbal
May require a signature which indicates patient understands limits or risks involved as
explained by physician.
Term 8 of 586
Inherent filtration + added filtration=
Collimation
Scatter radiation
Image subtraction
Total filtration
, Term 9 of 586
Milliamperage is a measure of the:
1. Increased Scatter
2. Increases Motion and Penumbral Blur
The Output phospor of the ii
national data bank collects reports and disclosure of actions taken
1. X-ray tube current
2. Quantity of x-rays
Term 10 of 586
During fluoroscopy, restrict ___________to
the small size practicable for the given exam
field size
radiation shielding
patient positioning
image quality settings
Term 11 of 586
The effects of cellular mutation by exposure to ionizing radiation can be:
a. Insignificant metabolic alterations
b. Minor interruption of normal function
c. Severe interruption of normal function
1. More horizontal scan line samples
3. More and smaller target globules
1. Acute skin erythema
2. Lower signal to noise ratios
3. Radiation damage to underlying tissues
national data bank collects reports and disclosure of actions taken
