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ARRT Practice Exam Core With 100% Correct And Verified Answers

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ARRT Practice Exam Core With 100% Correct And Verified Answers

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  • November 8, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Arrt
  • Arrt
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Vendarsol
ARRT Practice Exam Core With 100%
Correct And Verified Answers
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. - Correct 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% - Correct Answer-D. Increase kVp by 30%

Which of the following IR system speeds will result in the lowest patient
dose? - Correct Answer-B. Faster-speed IR system

What is the primary purpose of using gonad shields during radiography? -
Correct Answer-Reduce the likelihood of genetic effects

Which of the following are types of gonad shields?
1. Aperture
2. Contact
3. Shadow - Correct Answer-2 and 3 only

When should gonad shielding be used? - Correct 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: - Correct Answer-repeat exposures




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, The limited operator can reduce repeat exposures by: - Correct Answer-
clearly instructing patients

How does x-ray beam restriction minimize patient exposure? - Correct
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? - Correct Answer-Collimator

How does filtration reduce patient exposure? - Correct Answer-Removes
longer-wavelength photons

What is the NCRP recommendation for the amount of total filtration? -
Correct Answer-2.5 mm AL equiv

What are the three principal methods used to protect limited operators
from unnecessary radiation exposure? - Correct 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 - Correct 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? -
Correct Answer-Scattered radiation from the patient

What is the term for radiation that escapes from the x-ray tube housing? -
Correct Answer-Leakage radiation

Why are limited operators prohibited from
activities that result in direct exposure to the



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