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Radiation Protection Final Exam- Practice Questions with Correct Answers Latest Update
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Which of the following is a form of radiation that is capable of creating electrically charged particles by removing orbital electrons from the atom of normal matter through which it passes? Ionizing radiation Nonionizing radiation Subatomic radiation Ultrasonic radiation - Answer-Ioniz...

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  • October 10, 2024
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Radiation Protection Final Exam-
Practice Questions with Correct
Answers Latest Update
Which of the following is a form of radiation that is capable of creating electrically
charged particles by removing orbital electrons from the atom of normal matter through
which it passes?

Ionizing radiation

Nonionizing radiation

Subatomic radiation

Ultrasonic radiation - Answer-Ionizing radiation

The term as low as reasonable achievable (ALARA) is synonymous with the term

background equivalent radiation time (BERT).

equivalent dose (EqD).

diagnostic efficacy.

optimization for radiation protection (ORP). - Answer-optimization for radiation
protection (ORP).

Why should the selection of technical exposure factors for all medical imaging
procedures always follow ALARA?

So that referring physicians ordering imaging procedures do not have to accept
responsibility for patient radiation safety.

So that radiographers and radiologists do not have to accept responsibility for patient
radiation safety.

Because radiation-induced cancer does not appear to have a dose level below which
individuals would have no chance of developing this disease.

Because radiation-induced cancer does have a dose level at which individuals would
have a chance of developing this disease. - Answer-Because radiation-induced cancer
does not appear to have a dose level below which individuals would have no chance of
developing this disease.

,Which of the following elements is responsible for most of the public's radiation dose
from natural background sources?
Thoron
Thallium
Uranium
Radon - Answer-Radon

The millisievert (mSv) is equal to
1/10 of a sievert.
1/100 of a sievert.
1/1000 of a sievert.
1/10,000 of a sievert. - Answer-1/1000 of a sievert.

Which of the following provides the basis for determining whether an imaging procedure
or practice is justified?

ALARA concept

BERT method

Diagnostic efficacy

NEXT program - Answer-Diagnostic efficacy

The cardinal principles of radiation protection include which of the following?1. Time2.
Distance3. Shielding
1 only
2 only
3 only
1, 2, and 3 - Answer-1, 2, and 3

Which of the following is a method of used to explain radiation dose to the public?
ALARA
BERT
ORP
NEXT - Answer-BERT

Typically, people are more willing to accept a risk if they perceive that the potential
benefit to be obtained is

greater than the risk involved.

equal to the risk involved.

less than the risk involved.

,typically, people are not willing to accept risk no matter how great the benefit may be. -
Answer-greater than the risk involved

If a patient asks a radiographer a question about how much radiation he or she will
receive from a specific x-ray procedure, the radiographer can

respond by using an estimation based on the comparison of radiation received from the
x-ray to natural background radiation received.

avoid the patient's question by changing the subject.

tell the patient that it is unethical to discuss such concerns.

refuse to answer the question and recommend that he or she speak with the referring
physician. - Answer-respond by using an estimation based on the comparison of
radiation received from the x-ray to natural background radiation received.

In a hospital setting, which of the following professionals is expressly charged by the
hospital administration with being directly responsible for the execution, enforcement,
and maintenance of the ALARA program?

Assistant administrator of the facility

Chief of staff

Radiation Safety Officer

Student radiologic technologist - Answer-Radiation Safety Officer

What organization was founded in 2007 that continues their pursuit to raise awareness
of the need for dose reduction protocols by promoting pediatric-specified scan protocols
to be used for both radiology and nonradiology users of CT?

U.S. Food and Drug Administration

Alliance for Radiation Safety in Pediatric Imaging.

American Registry of Radiologic Technologists

The Joint Commission - Answer-Alliance for Radiation Safety in Pediatric Imaging

Of the two sources of ionizing radiation listed below, which source remains fairly
constant from year to year?
Manmade
Natural - Answer-Natural

, As a result of technologic advances since the 1970s and strict regulations imposed
within the United States by the FDA regarding consumer products containing
radioactive material, the radiation exposure of the general public from such produces
may now be considered

substantial.

moderate.

significant

negligible. - Answer-negligible.

Which of the following are forms of electromagnetic radiation that are most similar to
each other in energy?
Ultraviolet and X-ray
Ultraviolet and gamma
Microwaves and gamma
X-rays and gamma - Answer-X-rays and gamma

Which of the following is a gaseous emission found in limestone rock that can lead to
the development of cancer in susceptible individuals?
Oxygen-15
Uranium-238
Boron
Radon - Answer-Radon

The mass of an alpha particle is approximately

two times the mass of a hydrogen atom and a negative charge of minus 2.

four times the mass of a hydrogen atom and a positive charge twice that of an electron.

six times the mass of a hydrogen atom and a negative charge of minus 1.

eight times the mass of a hydrogen atom and a positive charge four times that of an
electron. - Answer-four times the mass of a hydrogen atom and a positive charge twice
that of an electron

The ability of electromagnetic radiation to travel through space in the form of a wave but
can also interact with matter as a photon is referred to as:
wave attenuation capability.
wave-particle interchange ability.
wave-particle duality.
wave-particle phenomena. - Answer-wave-particle duality

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