ARRT PRACTICE EXAM QUESTIONS AND
ANSWERS WITH VERIFIED SOLUTIONS 100%
CORRECT RATED A+ NEWLY UPDATED 2026
M/C: Which of the following are correct for an AP coccyx projection?
1. 15-degree cephalic angle
2. 10-degree caudal angle
3. Center 2 inches superior to the pubic symphysis
ANS >>> 2 and 3
What effect does having more windings on the primary side of the
transformer have on the secondary side voltage?
ANS >>> Less
In the construction of a radiographic grid, what defines the grid ratio?
ANS >>> Height of lead strips compared to the distance between them
What positioning technique enhances the quality of a lateral knee? ANS
>>> CR with a 5-degree cephalic angle
During a fluor exposure, if a patient's stomach absorbs a total of 0.012 joules
of energy and the stomach weighs 3 kilograms, what is the absorbed dose?
ANS >>> 0.004 Gy
Genetic effects are those that manifest in:
ANS >>> Future generations of the exposed individual
What is the maximum entrance skin exposure rate for general fluoroscopy?
ANS >>> 100 my/min
,How should the patient be positioned for an external rotation of the shoulder?
ANS >>> Abduct the patient’s arm
T/F: Electrons and X-rays can be focused. ANS
>>> False
Which device in an image receptor collects and converts light into an
electrical signal?
ANS >>> CCD, Photodiode
If a patient begins to develop hives after receiving contrast for an IVP, what
should be done first?
ANS >>> Call a radiologist
What is the most common cause of an off-level grid error? ANS
>>> Grid shifts due to patient movement
At which level does the trachea bifurcate? ANS
>>> Aortic notch
What causes image blurring if the X-ray tube is moved rapidly during a
fluor exam?
ANS >>> Camera tube lag
During an X-ray exposure, electrons accelerate towards which part of the X-
ray tube?
ANS >>> Anode
,What is the radiation weighting factor of X-rays?
ANS >>> 1
M/C: The use of proper collimation serves to:
1. Increase image contrast
2. Reduce radiation exposure to the patient
3. Decrease effective focal-spot size
ANS >>> 1 and 2
Inherent filtration refers to:
ANS >>> Filtration that is part of tube design
What effect will be decreasing collimation have on patient radiation exposure -
ANSWER✔✔increases patient radiation exposure
The severity of the hell effect can be increased by what change in SID? -
ANSWER✔✔decreasing Sid
M/C: Federal Law on radiation protection requires which of the following?
1. signage for radiation areas
2. maintaining personal dose records
3. publication of personal dose records - ANSWER✔✔1 and 2
What is the largest carpal bone? - ANSWER✔✔capitate
, T/F: the esophagus lies anterior to the trachea? - ANSWER✔✔False
To function correctly, the current entering a transformer must be: -
ANSWER✔✔AC
A middle-aged male with a blood pressure reading 180/80 mmHg would be
diagnosed as - ANSWER✔✔hypertensive
PICC lines are used to: - ANSWER✔✔Deliver medication through a vein
M/C: Which of the following facts are true regarding x-rays?
1. x-rays have no mass
2. x-rays travel at the speed of light
3. x-rays have a positive charge - ANSWER✔✔1 and 2
M/C: Which of the following is true about the fibula?
1. it sits laterally to the tibia
2. it articulates with the tibia at the proximal end
3. it articulates at the distal medial talus - ANSWER✔✔1 and 2
photons produced outside of the actual focal spot are known as: -
ANSWER✔✔Off focus radiation
M/C: Total filtration of the x-ray beam includes:
ANSWERS WITH VERIFIED SOLUTIONS 100%
CORRECT RATED A+ NEWLY UPDATED 2026
M/C: Which of the following are correct for an AP coccyx projection?
1. 15-degree cephalic angle
2. 10-degree caudal angle
3. Center 2 inches superior to the pubic symphysis
ANS >>> 2 and 3
What effect does having more windings on the primary side of the
transformer have on the secondary side voltage?
ANS >>> Less
In the construction of a radiographic grid, what defines the grid ratio?
ANS >>> Height of lead strips compared to the distance between them
What positioning technique enhances the quality of a lateral knee? ANS
>>> CR with a 5-degree cephalic angle
During a fluor exposure, if a patient's stomach absorbs a total of 0.012 joules
of energy and the stomach weighs 3 kilograms, what is the absorbed dose?
ANS >>> 0.004 Gy
Genetic effects are those that manifest in:
ANS >>> Future generations of the exposed individual
What is the maximum entrance skin exposure rate for general fluoroscopy?
ANS >>> 100 my/min
,How should the patient be positioned for an external rotation of the shoulder?
ANS >>> Abduct the patient’s arm
T/F: Electrons and X-rays can be focused. ANS
>>> False
Which device in an image receptor collects and converts light into an
electrical signal?
ANS >>> CCD, Photodiode
If a patient begins to develop hives after receiving contrast for an IVP, what
should be done first?
ANS >>> Call a radiologist
What is the most common cause of an off-level grid error? ANS
>>> Grid shifts due to patient movement
At which level does the trachea bifurcate? ANS
>>> Aortic notch
What causes image blurring if the X-ray tube is moved rapidly during a
fluor exam?
ANS >>> Camera tube lag
During an X-ray exposure, electrons accelerate towards which part of the X-
ray tube?
ANS >>> Anode
,What is the radiation weighting factor of X-rays?
ANS >>> 1
M/C: The use of proper collimation serves to:
1. Increase image contrast
2. Reduce radiation exposure to the patient
3. Decrease effective focal-spot size
ANS >>> 1 and 2
Inherent filtration refers to:
ANS >>> Filtration that is part of tube design
What effect will be decreasing collimation have on patient radiation exposure -
ANSWER✔✔increases patient radiation exposure
The severity of the hell effect can be increased by what change in SID? -
ANSWER✔✔decreasing Sid
M/C: Federal Law on radiation protection requires which of the following?
1. signage for radiation areas
2. maintaining personal dose records
3. publication of personal dose records - ANSWER✔✔1 and 2
What is the largest carpal bone? - ANSWER✔✔capitate
, T/F: the esophagus lies anterior to the trachea? - ANSWER✔✔False
To function correctly, the current entering a transformer must be: -
ANSWER✔✔AC
A middle-aged male with a blood pressure reading 180/80 mmHg would be
diagnosed as - ANSWER✔✔hypertensive
PICC lines are used to: - ANSWER✔✔Deliver medication through a vein
M/C: Which of the following facts are true regarding x-rays?
1. x-rays have no mass
2. x-rays travel at the speed of light
3. x-rays have a positive charge - ANSWER✔✔1 and 2
M/C: Which of the following is true about the fibula?
1. it sits laterally to the tibia
2. it articulates with the tibia at the proximal end
3. it articulates at the distal medial talus - ANSWER✔✔1 and 2
photons produced outside of the actual focal spot are known as: -
ANSWER✔✔Off focus radiation
M/C: Total filtration of the x-ray beam includes:
