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ARRT EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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ARRT EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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ARRT EXAM 2024/2025 WITH 100%ACCURATE SOLUTIONS
Which of the following statements are correct regarding the link
between radiation dose and genetic effects?
1. The link has been demonstrated in human studies.
2. The link has been demonstrated in animal studies.
3. Increased risk to humans cannot be predicted with respect to an
individual. - Precise Answer ✔✔2 and 3 only
Which of the following changes in kabob will result in the greatest
reduction of patient dose when mAs is adjusted to compensate for the
change?
A. Decrease kVp by 30%
B. Decrease kVp by 15%
C. Increase kVp by 15%
D. Increase kVp by 30% - Precise Answer ✔✔D. Increase kVp by 30%
Which of the following IR system speeds will result in the lowest patient
dose? - Precise Answer ✔✔B. Faster-speed IR system
What is the primary purpose of using gonad shields during radiography?
- Precise Answer ✔✔Reduce the likelihood of genetic effects
,Which of the following are types of gonad shields?
1. Aperture
2. Contact
3. Shadow - Precise Answer ✔✔2 and 3 only
When should gonad shielding be used? - Precise Answer ✔✔When the
gonads are within 5 cm of the radiation field.
The greatest cause of unnecessary radiation to patients that can be
controlled by the limited operator is: - Precise Answer ✔✔repeat
exposures
The limited operator can reduce repeat exposures by: - Precise Answer
✔✔clearly instructing patients
How does x-ray beam restriction minimize patient exposure? - Precise
Answer ✔✔It limits the radiation field to the area of interest.
What is a device that allows the limited operator to vary the size of the
radiation field? - Precise Answer ✔✔Collimator
How does filtration reduce patient exposure? - Precise Answer
✔✔Removes longer-wavelength photons
, What is the NCRP recommendation for the amount of total filtration? -
Precise Answer ✔✔2.5 mm AL equiv
What are the three principal methods used to protect limited operators
from unnecessary radiation exposure? - Precise Answer ✔✔Time,
distance, shielding
Which of the following is not a type of personal radiation shielding?
A. Apron
B. Glove
C. Thyroid shield
D. Shadow - Precise Answer ✔✔Shadow
Personnel shielding must be worn on the rare occasion during which the
limited operator may need to remain in the radiographic room during an
exposure to assist the patient in maintaining the proper position. What is
the source of the greatest radiation hazard under this circumstance? -
Precise Answer ✔✔Scattered radiation from the patient
What is the term for radiation that escapes from the x-ray tube housing?
- Precise Answer ✔✔Leakage radiation
Why are limited operators prohibited from activities that result in direct
exposure to the primary x-ray beam? - Precise Answer ✔✔They are
considered occupationally exposed individuals.
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