Name: Score:
394 Multiple choice questions
Definition 1 of 394
Which tube-detector geometry is used by third generation CT scanners, where the X-ray
tube and detectors rotate around the patient to collect "views" of the anatomy from many
angular positions?
rotate-rotate technology
stationary-rotate geometry
electron gun-detector array
all of the above.
Definition 2 of 394
1. X-ray films have been designed to be most sensitive to a.)____________ in blue-violet
spectrum for use with calcium tungstate intensifying screens.
2. Films are sensitive to LIGHT when using the BLUE-GREEN spectrum for use with b.)
__________intensifying screens.
C. abdominal region
D. 1, 2, and 3
D. decrease Mas, KVP remains the same
a.) LIGHT
b.) rare-earth
,Definition 3 of 394
What is the annual occup. dose equivalent limit as set by 10 CFR 20, for the lens of the
eye?
1.5 rem or 0.015 Sv
5 rem or .05 Sv
15 rem or .15 Sv
50 rem or 0.5 Sv
Definition 4 of 394
Which of the following are cited asTECHNICAL advantages of 3 PHASE and MEDIUM, or
HIGH FREQUENCY generators over SINGLE phase generators?
1. near constant potential
2. higher mA can produce very short exposure
3. higher effective kVp
. 1 and 2
. 1 and 3
2 and 3
. 1, 2, and 3
,Term 5 of 394
Inverse square Law/ Equation:
Which of the following is the primary process by which x-rays are produced?
A.) Bremsstrahlung
B. characteristic
C. photoelectric
D. Compton effect
During radiography, to RESTRICT the x-ray beam means the same as to:
A. filter
B. attenuate
C. preserve
D. collimate
Moving further away from X-ray source the radiation source will be less b/c X-ray beam
DIVERGES:
(I₁)/(I₂)= (D₂)²/(D₁)²
What does the PHOTOGRAPHIC PROCESS control?
A.)
B.) What does this include?
1.) contrast
2.) density
3.) base-plus-fog
4.)patient radiation dose
5.) all of the above
, Definition 6 of 394
QC parameters that should be tested MONTHLY include:
1. film fixer retention
2. dark room conditions
3. film and chemical storage
1 and 2
1 and 3
2 and 3
1, 2, and 3
Definition 7 of 394
1. What is the name of the DEVICE designed to measure optical density of an exposed and
processed film?
2. It's used to measure film density (the degree of blackening of the film)
DENSITOMETER
D. 1, 2, and 3
B. 50-120 kilovolts
KILOVOLT PEAK (kVp)
394 Multiple choice questions
Definition 1 of 394
Which tube-detector geometry is used by third generation CT scanners, where the X-ray
tube and detectors rotate around the patient to collect "views" of the anatomy from many
angular positions?
rotate-rotate technology
stationary-rotate geometry
electron gun-detector array
all of the above.
Definition 2 of 394
1. X-ray films have been designed to be most sensitive to a.)____________ in blue-violet
spectrum for use with calcium tungstate intensifying screens.
2. Films are sensitive to LIGHT when using the BLUE-GREEN spectrum for use with b.)
__________intensifying screens.
C. abdominal region
D. 1, 2, and 3
D. decrease Mas, KVP remains the same
a.) LIGHT
b.) rare-earth
,Definition 3 of 394
What is the annual occup. dose equivalent limit as set by 10 CFR 20, for the lens of the
eye?
1.5 rem or 0.015 Sv
5 rem or .05 Sv
15 rem or .15 Sv
50 rem or 0.5 Sv
Definition 4 of 394
Which of the following are cited asTECHNICAL advantages of 3 PHASE and MEDIUM, or
HIGH FREQUENCY generators over SINGLE phase generators?
1. near constant potential
2. higher mA can produce very short exposure
3. higher effective kVp
. 1 and 2
. 1 and 3
2 and 3
. 1, 2, and 3
,Term 5 of 394
Inverse square Law/ Equation:
Which of the following is the primary process by which x-rays are produced?
A.) Bremsstrahlung
B. characteristic
C. photoelectric
D. Compton effect
During radiography, to RESTRICT the x-ray beam means the same as to:
A. filter
B. attenuate
C. preserve
D. collimate
Moving further away from X-ray source the radiation source will be less b/c X-ray beam
DIVERGES:
(I₁)/(I₂)= (D₂)²/(D₁)²
What does the PHOTOGRAPHIC PROCESS control?
A.)
B.) What does this include?
1.) contrast
2.) density
3.) base-plus-fog
4.)patient radiation dose
5.) all of the above
, Definition 6 of 394
QC parameters that should be tested MONTHLY include:
1. film fixer retention
2. dark room conditions
3. film and chemical storage
1 and 2
1 and 3
2 and 3
1, 2, and 3
Definition 7 of 394
1. What is the name of the DEVICE designed to measure optical density of an exposed and
processed film?
2. It's used to measure film density (the degree of blackening of the film)
DENSITOMETER
D. 1, 2, and 3
B. 50-120 kilovolts
KILOVOLT PEAK (kVp)
