ARRT Proficiency knowledge test Exam Questions
and certified Answers 2025/2026
Which part of the rib articulates with the transverse process of the thoracic
vertebrae? - correct answer Tubercle
Which of the following methods represents a means of transmitting a
disease through insect bites? - correct answer Vector
Which body position will demonstrate the left ribs free from superimposition
of the cardiac silhouette? - correct answer LAO or RPO
Which of the following does not represent a responsibility of the
radiographer? - correct answer Providing patients with complete and
accurate information regarding diagnosis and treatment
Which of the following groups benefit from the low as reasonably
achievable (ALARA) principle as set forth by the NRCP?
1) general public
2) patient
3) radiographers/operators - correct answer 1, 2, and 3
What is the minimum suggested schedule for testing lead aprons and
gloves for inadequate shielding? - correct answer Annually
The anatomic organ used for phonation is called the: - correct answer
Larynx
,Which anatomy is well demonstrated in a lateral oblique projection of the
hand?
1. Joint spaces
2. Distal phalanges
3. Middle phalanges - correct answer 1, 2 & 3
Which of the following would affect shape distortion? - correct answer
Tube angulation
In the third trimester, what is the recommended monthly dose-equivalent
limit for the fetus? - correct answer 0.5 msv
Which of the following radiographic methods are used to demonstrate the
intercondylar fossa?
1. Holmblad (PA axial)
2. Danelius-Miller (axiolateral)
3. Camp-Coventry (PA axial) - correct answer 1 & 3
Which of the following statements would be most important for a pregnant
radiographer? - correct answer Don't switch dosimeters between the
collar and waist level"
An optimal radiograph of the lumbar vertebrae of a geriatric patient requires
a technique of 70 kilovolts (peak) and 40 mas. To reduce exposure to the
patient and maintain adequate radiographic density: - correct answer
Increase kilovolts by 15 percent with a 50 percent decrease in
milliamperage-seconds
, Which of the following would best demonstrate free air in the abdomen of a
3-yr old child with the least risk to the patient? - correct answer
Decubitus projection without a grid
Which unit of measurement would be most appropriate for stating the
quantity of radiation exposure as measured by an ionization chamber? -
correct answer Air kerma
The length of exposure cords on medical imaging equipment is regulated to
reduce radiation dose to personnel. Guidelines state that exposure cords: -
correct answer must be at least 6 feet long on mobile equipment
Which of the following does not determine CR resolution? - correct
answer Laser scan speed
To protect both the patient and the radiographer at a distance of 1 meter
from the source, leakage radiation should not exceed? - correct answer
100 mr/h
With a table Bucky device the appearance of grid lines on the radiograph
could indicate that: - correct answer The exposure time is too short
The amount of detail present in any image is known as ______ resolution. -
correct answer Spatial
The axiolateral oblique projection is used to demonstrate the mandible.
How is the head positioned to demonstrate the ramus of the mandible? -
correct answer True lateral
and certified Answers 2025/2026
Which part of the rib articulates with the transverse process of the thoracic
vertebrae? - correct answer Tubercle
Which of the following methods represents a means of transmitting a
disease through insect bites? - correct answer Vector
Which body position will demonstrate the left ribs free from superimposition
of the cardiac silhouette? - correct answer LAO or RPO
Which of the following does not represent a responsibility of the
radiographer? - correct answer Providing patients with complete and
accurate information regarding diagnosis and treatment
Which of the following groups benefit from the low as reasonably
achievable (ALARA) principle as set forth by the NRCP?
1) general public
2) patient
3) radiographers/operators - correct answer 1, 2, and 3
What is the minimum suggested schedule for testing lead aprons and
gloves for inadequate shielding? - correct answer Annually
The anatomic organ used for phonation is called the: - correct answer
Larynx
,Which anatomy is well demonstrated in a lateral oblique projection of the
hand?
1. Joint spaces
2. Distal phalanges
3. Middle phalanges - correct answer 1, 2 & 3
Which of the following would affect shape distortion? - correct answer
Tube angulation
In the third trimester, what is the recommended monthly dose-equivalent
limit for the fetus? - correct answer 0.5 msv
Which of the following radiographic methods are used to demonstrate the
intercondylar fossa?
1. Holmblad (PA axial)
2. Danelius-Miller (axiolateral)
3. Camp-Coventry (PA axial) - correct answer 1 & 3
Which of the following statements would be most important for a pregnant
radiographer? - correct answer Don't switch dosimeters between the
collar and waist level"
An optimal radiograph of the lumbar vertebrae of a geriatric patient requires
a technique of 70 kilovolts (peak) and 40 mas. To reduce exposure to the
patient and maintain adequate radiographic density: - correct answer
Increase kilovolts by 15 percent with a 50 percent decrease in
milliamperage-seconds
, Which of the following would best demonstrate free air in the abdomen of a
3-yr old child with the least risk to the patient? - correct answer
Decubitus projection without a grid
Which unit of measurement would be most appropriate for stating the
quantity of radiation exposure as measured by an ionization chamber? -
correct answer Air kerma
The length of exposure cords on medical imaging equipment is regulated to
reduce radiation dose to personnel. Guidelines state that exposure cords: -
correct answer must be at least 6 feet long on mobile equipment
Which of the following does not determine CR resolution? - correct
answer Laser scan speed
To protect both the patient and the radiographer at a distance of 1 meter
from the source, leakage radiation should not exceed? - correct answer
100 mr/h
With a table Bucky device the appearance of grid lines on the radiograph
could indicate that: - correct answer The exposure time is too short
The amount of detail present in any image is known as ______ resolution. -
correct answer Spatial
The axiolateral oblique projection is used to demonstrate the mandible.
How is the head positioned to demonstrate the ramus of the mandible? -
correct answer True lateral
