ARRT KETTERING PRACTICE TEST EXAM QUESTIONS WITH 100% VERIFIED SOLUTIONS 2024-
2025
What is the result of selecting a slower sampling frequency during image processing?
A. smaller pixel size and lower spatial resolution
B. smaller pixel size and higher spatial resolution
C. larger pixel size and lower spatial resolution
D. larger pixel size and higher spatial resolution
C. larger pixel size and lower spatial resolution
Which of the following interactions with matter contribute to quantum mottle in an x-ray
image?
A. coherent scattering
B. compton scattering
C. photoelectric effect
D. characteristic
B. compton scattering
What type of fracture is illustrated below?
A. comminuted
B. compound
C. complex
D. spiral
B. compound
From anatomical position, pronating the hand will result in the palm facing ____.
A. anteriorly
B. laterally
C. posteriorly
D. medially
C. posteriorly
,With all other technical factors remaining constant, what effect(s) will increasing amounts of
filtration have on the X-ray beam?
1. decrease patient skin exposure
2. decrease the measurement of the shortest wavelength present within the beam
3. harden the X-ray beam
4. increase the percentage of beam penetration through the objects of interest
A. 1 only
B. 1 & 4 only
C. 2 & 3 only
D. 1, 3 & 4
D. 1, 3 & 4
The maximum variation between consecutive exposures when using the same technical factor
is:
A. + or - 15%
B. + or - 10%
C. + or - 5%
D. + or - 20%
C. + or - 5%
An atom containing three protons and three neutrons in its nucleus has a (an):
A. mass number of three
B. atomic number of six
C. atomic number of three
D. mass number of twelve
C. atomic number of three
What term is applied to the level of medical asepsis that involves the destruction of pathogens
by using chemical materials?
A. sterilization
B. surgical asepsis
C. microbial defraction
D. disinfection
D. disinfection
Why is it important for a patient to have their knees flexed for an AP projection of the lumbar
spine?
A. to overcome the antiversion of the femoral necks
,B. aids in assuring the patient will take in a deep inspiration
C. to reduce the lordotic curvature of the lumbar spine and open up the joint spaces
D. to decrease lateral bending of the lumbar spine
C. to reduce the lordotic curvature of the lumbar spine and open up the joint spaces
Which of the following is an accepted standard for networking medical devices to exchange
images and information regardless of the brand of equipment?
A. RIS
B. WAN
C. DICOM
D. PACS
C. DICOM
The portion of the image intensifier device that is responsible for converting light photons into
free electrons is the:
A. the electrostatic lens
B. the input phosphor
C. the anode
D. the photocathode
D. the photocathode
With increasing levels of beam filtration where will the greatest dose savings be realized?
A. in the initial layers of tissue struck by the beam
B. in tissues at the midline
C. in tissues at the exit surface of the patient
D. at the level of the patient's gonads
A. in the initial layers of tissue struck by the beam
Which of the following anatomic structures is best demonstrated in the LAO position while
performing a BE?
A. ileocecal valve
B. sigmoid colon
C. splenic flexure
D. hepatic flexure
, C. splenic flexure
A bit depth of 9 will result in how many shades of gray?
A. 81
B. 256
C. 512
D. 1024
C. 512
the bucky slot cover of a fluoroscopic unit must provide a minimum lead equivalent absorption
equal to ___mm of lead.
A. 0.50
B. 0.35
C. 0.25
D. 1.0
C. 0.25
What should be the technologist's first response upon discovering a fire has broken out in a
patient holding area?
A. try to put the fire out
B. evacuate any patients from the area
C. close all doors leading into the area
D. call "Code RED"
B. evacuate any patients from the area
The central ray is directed to a point 5 cm (2") distal to the ___ when performing an AP
projection of the scapula.
A. coracoid process
B. acromioclavicular joint
C. coranoid process
D. scapular notch
A. coracoid process
What is the lead thickness requirement of a primary barrier?
A. 0.4 mm
B. 0.8 mm
C. 1.6 mm
D. 3.2 mm
2025
What is the result of selecting a slower sampling frequency during image processing?
A. smaller pixel size and lower spatial resolution
B. smaller pixel size and higher spatial resolution
C. larger pixel size and lower spatial resolution
D. larger pixel size and higher spatial resolution
C. larger pixel size and lower spatial resolution
Which of the following interactions with matter contribute to quantum mottle in an x-ray
image?
A. coherent scattering
B. compton scattering
C. photoelectric effect
D. characteristic
B. compton scattering
What type of fracture is illustrated below?
A. comminuted
B. compound
C. complex
D. spiral
B. compound
From anatomical position, pronating the hand will result in the palm facing ____.
A. anteriorly
B. laterally
C. posteriorly
D. medially
C. posteriorly
,With all other technical factors remaining constant, what effect(s) will increasing amounts of
filtration have on the X-ray beam?
1. decrease patient skin exposure
2. decrease the measurement of the shortest wavelength present within the beam
3. harden the X-ray beam
4. increase the percentage of beam penetration through the objects of interest
A. 1 only
B. 1 & 4 only
C. 2 & 3 only
D. 1, 3 & 4
D. 1, 3 & 4
The maximum variation between consecutive exposures when using the same technical factor
is:
A. + or - 15%
B. + or - 10%
C. + or - 5%
D. + or - 20%
C. + or - 5%
An atom containing three protons and three neutrons in its nucleus has a (an):
A. mass number of three
B. atomic number of six
C. atomic number of three
D. mass number of twelve
C. atomic number of three
What term is applied to the level of medical asepsis that involves the destruction of pathogens
by using chemical materials?
A. sterilization
B. surgical asepsis
C. microbial defraction
D. disinfection
D. disinfection
Why is it important for a patient to have their knees flexed for an AP projection of the lumbar
spine?
A. to overcome the antiversion of the femoral necks
,B. aids in assuring the patient will take in a deep inspiration
C. to reduce the lordotic curvature of the lumbar spine and open up the joint spaces
D. to decrease lateral bending of the lumbar spine
C. to reduce the lordotic curvature of the lumbar spine and open up the joint spaces
Which of the following is an accepted standard for networking medical devices to exchange
images and information regardless of the brand of equipment?
A. RIS
B. WAN
C. DICOM
D. PACS
C. DICOM
The portion of the image intensifier device that is responsible for converting light photons into
free electrons is the:
A. the electrostatic lens
B. the input phosphor
C. the anode
D. the photocathode
D. the photocathode
With increasing levels of beam filtration where will the greatest dose savings be realized?
A. in the initial layers of tissue struck by the beam
B. in tissues at the midline
C. in tissues at the exit surface of the patient
D. at the level of the patient's gonads
A. in the initial layers of tissue struck by the beam
Which of the following anatomic structures is best demonstrated in the LAO position while
performing a BE?
A. ileocecal valve
B. sigmoid colon
C. splenic flexure
D. hepatic flexure
, C. splenic flexure
A bit depth of 9 will result in how many shades of gray?
A. 81
B. 256
C. 512
D. 1024
C. 512
the bucky slot cover of a fluoroscopic unit must provide a minimum lead equivalent absorption
equal to ___mm of lead.
A. 0.50
B. 0.35
C. 0.25
D. 1.0
C. 0.25
What should be the technologist's first response upon discovering a fire has broken out in a
patient holding area?
A. try to put the fire out
B. evacuate any patients from the area
C. close all doors leading into the area
D. call "Code RED"
B. evacuate any patients from the area
The central ray is directed to a point 5 cm (2") distal to the ___ when performing an AP
projection of the scapula.
A. coracoid process
B. acromioclavicular joint
C. coranoid process
D. scapular notch
A. coracoid process
What is the lead thickness requirement of a primary barrier?
A. 0.4 mm
B. 0.8 mm
C. 1.6 mm
D. 3.2 mm
