1
RAD 165 Exam 1 & 2 Questions and
Correct Answers
Question: When many radiographic factors are acting upon one other, it
is known as
a. a pyramid problem
b. a professional problem
c. a procedural problem
d. an ethical problem
Answer: a pyramid problem
Question: The acceptance limit curve is often skewed to the ___ side
(this is another way of saying overexposure is better than underexposure)
a. low-contrast (many densities)
b. high- contrast (few densities)
c. light
d. none of above
Answer: low-contrast (many densities)
Question: Which of these activities would be inconsistent with the
"scope of practice" of the radiographer?
Answer: helping an ER physician identify a pneumonia on a chest x-ray
Question: Generally speaking, the primary cause of increased patient
radiation dose is
a. extended fluoro
b. higher grid ratios than necessary
c. inadequate beam restrictions
d. repeat images
Answer: repeat images
Pretest - Stuvia US
,2
Question: If the image quality acceptance limits are narrow,
a. the repeat rates may be high
b. the department would be a good candidate for students
c. the radiography staff would not expect to need regular in-services
d. patient dosages would be unaffected
Answer: the repeat rates may be high
Question: agreed-upon image quality standards
Answer: acceptable limits
Question: production of final image
Answer: image processing
Question: assessing the image quality in terms of density, contrast,
detail, and distortion
Answer: image analysis
Question: first phase in the diagnostic process
Answer: narrowing the search
Question: combination of inter-related factors that compound the
problem
Answer: pyramid problem
Question: high image quality
Answer: narrow acceptance limits
Question: The relationship between grid factor and exposure mAs is
a. inverse
b. direct
Answer: inverse
Pretest - Stuvia US
, 3
Question: The optical density range visible to the human eye is
a. 0.025-0.25
b. 0.25-2.5
c. 2.5-20.5
d. 20.5-200.5
Answer: 0.25 to 2.5
Question: The brightness of the image on a viewing monitor is
a. the result of radiographic density
b. the result of the tissue density
c. the result of the tissue thickness
d. a function of the monitor
Answer: a function of the monitor
Question: The principal controlling factor of radiographic image density
is
a. kVp
b. mAs
c. time
d. milliamperes
Answer: mAs
Question: Which statement is false?
a. as mAs increases, exposure increases
b. as mAs decreases, density decreases
c. as mAs increases, density increases
d. as mAs decreases, exposure increases
Answer: as mAs decreases, exposure increases
Question: The minimum change necessary to cause a visible shift in
density is ____ percent of mAs
Pretest - Stuvia US
RAD 165 Exam 1 & 2 Questions and
Correct Answers
Question: When many radiographic factors are acting upon one other, it
is known as
a. a pyramid problem
b. a professional problem
c. a procedural problem
d. an ethical problem
Answer: a pyramid problem
Question: The acceptance limit curve is often skewed to the ___ side
(this is another way of saying overexposure is better than underexposure)
a. low-contrast (many densities)
b. high- contrast (few densities)
c. light
d. none of above
Answer: low-contrast (many densities)
Question: Which of these activities would be inconsistent with the
"scope of practice" of the radiographer?
Answer: helping an ER physician identify a pneumonia on a chest x-ray
Question: Generally speaking, the primary cause of increased patient
radiation dose is
a. extended fluoro
b. higher grid ratios than necessary
c. inadequate beam restrictions
d. repeat images
Answer: repeat images
Pretest - Stuvia US
,2
Question: If the image quality acceptance limits are narrow,
a. the repeat rates may be high
b. the department would be a good candidate for students
c. the radiography staff would not expect to need regular in-services
d. patient dosages would be unaffected
Answer: the repeat rates may be high
Question: agreed-upon image quality standards
Answer: acceptable limits
Question: production of final image
Answer: image processing
Question: assessing the image quality in terms of density, contrast,
detail, and distortion
Answer: image analysis
Question: first phase in the diagnostic process
Answer: narrowing the search
Question: combination of inter-related factors that compound the
problem
Answer: pyramid problem
Question: high image quality
Answer: narrow acceptance limits
Question: The relationship between grid factor and exposure mAs is
a. inverse
b. direct
Answer: inverse
Pretest - Stuvia US
, 3
Question: The optical density range visible to the human eye is
a. 0.025-0.25
b. 0.25-2.5
c. 2.5-20.5
d. 20.5-200.5
Answer: 0.25 to 2.5
Question: The brightness of the image on a viewing monitor is
a. the result of radiographic density
b. the result of the tissue density
c. the result of the tissue thickness
d. a function of the monitor
Answer: a function of the monitor
Question: The principal controlling factor of radiographic image density
is
a. kVp
b. mAs
c. time
d. milliamperes
Answer: mAs
Question: Which statement is false?
a. as mAs increases, exposure increases
b. as mAs decreases, density decreases
c. as mAs increases, density increases
d. as mAs decreases, exposure increases
Answer: as mAs decreases, exposure increases
Question: The minimum change necessary to cause a visible shift in
density is ____ percent of mAs
Pretest - Stuvia US
