RADIOGRAPHIC IMAGING AND EXPOSURE
PRACTICE EXAM 2026 COMPREHENSIVE
STUDY SOLUTIONS
◉ What dose monitoring value measures the exposure in air and
estimated absorbed dose?
a. KAP
b. MTF
c. DQE
d. DMV. Answer: a. KAP
◉ The measurement of the efficiency of an image receptor in
converting the x-ray exposure it receives to a quality radiographic
image
is the:
a. quantum noise.
b. modulation transfer function.
c. detective quantum efficiency.
d. photostimulable luminescence.. Answer: c. detective quantum
efficiency
,◉ The higher the DQE of a system, the radiation exposure required
to produce a quality image is:
a. increased.
b. decreased.
c. not effected.. Answer: b. decreased
◉ Which of the following is true concerning computed radiography
imaging plates?
a. The CR cassette houses the imaging plate and the radiation exiting
the patient
interacts with the imaging plate
b. The CR cassette houses the imaging plate and the photon
intensities are absorbed
by the phosphor
c. The radiation exiting the patient interacts with the imaging plate
and the photon
intensities are absorbed by the phosphor
d. All options are correct.. Answer: d. All options are correct
◉ What is the term generally used to describe the emission of light
from a substance as the result of stimulation by radiation?
a. Luminescence
b. Phosphorescence
, c. Fluorescence
d. Incandescence. Answer: a. Luminescence
◉ The CR phosphor layer is composed of:
a. gadolinium oxysulfide with terbium.
b. barium fluorohalide with europium.
c. lanthanum oxybromide with thulium.
d. yttrium oxysulfide with terbium.. Answer: b. barium fluorohalide
with europium
◉ The CR latent image consists of:
a. electrons trapped in the phosphor layer.
b. clumps of metallic silver in the emulsion.
c. light trapped in the phosphor layer.
d. the image as seen on the display monitor.. Answer: a. electrons
trapped in the phosphor layer
◉ The emission of light when stimulated by a high-intensity laser
beam is:
a. luminescence.
b. photostimulable phosphor.
c. photostimulable luminescence.
PRACTICE EXAM 2026 COMPREHENSIVE
STUDY SOLUTIONS
◉ What dose monitoring value measures the exposure in air and
estimated absorbed dose?
a. KAP
b. MTF
c. DQE
d. DMV. Answer: a. KAP
◉ The measurement of the efficiency of an image receptor in
converting the x-ray exposure it receives to a quality radiographic
image
is the:
a. quantum noise.
b. modulation transfer function.
c. detective quantum efficiency.
d. photostimulable luminescence.. Answer: c. detective quantum
efficiency
,◉ The higher the DQE of a system, the radiation exposure required
to produce a quality image is:
a. increased.
b. decreased.
c. not effected.. Answer: b. decreased
◉ Which of the following is true concerning computed radiography
imaging plates?
a. The CR cassette houses the imaging plate and the radiation exiting
the patient
interacts with the imaging plate
b. The CR cassette houses the imaging plate and the photon
intensities are absorbed
by the phosphor
c. The radiation exiting the patient interacts with the imaging plate
and the photon
intensities are absorbed by the phosphor
d. All options are correct.. Answer: d. All options are correct
◉ What is the term generally used to describe the emission of light
from a substance as the result of stimulation by radiation?
a. Luminescence
b. Phosphorescence
, c. Fluorescence
d. Incandescence. Answer: a. Luminescence
◉ The CR phosphor layer is composed of:
a. gadolinium oxysulfide with terbium.
b. barium fluorohalide with europium.
c. lanthanum oxybromide with thulium.
d. yttrium oxysulfide with terbium.. Answer: b. barium fluorohalide
with europium
◉ The CR latent image consists of:
a. electrons trapped in the phosphor layer.
b. clumps of metallic silver in the emulsion.
c. light trapped in the phosphor layer.
d. the image as seen on the display monitor.. Answer: a. electrons
trapped in the phosphor layer
◉ The emission of light when stimulated by a high-intensity laser
beam is:
a. luminescence.
b. photostimulable phosphor.
c. photostimulable luminescence.
