HTHS 1101 Limited scope of radiography Actual Practice Exam With Complete questions and accurate Answers Weber State University

HTHS 1101 Limited scope of radiography Actual
Practice Exam With Complete questions and accurate
Answers Weber State University




The National Council on Radiation Protection and
Measurements(NCRP) recommendation for the amount of total
filtration


ANSWERS: 2.5 mm Al equiv

Three principal methods used to protect limited operators from
unnecessary radiation exposure


ANSWERS: time, distance, and shielding


The following is not a type of personal radiation shielding


ANSWERS: 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.?


ANSWERS: scattered radiation from the patient

the term for radiation the escapes from the x-ray tube housing


ANSWERS: leakage radiation


why are limited operators prohibited from activities that result in
direct exposure to the primary x-ray beam


ANSWERS: they are considered occupationally exposed individuals


distance, as a method used to limit operator exposure, means that


ANSWERS: the operator should maximize the distance from the
source during an exposure


shielding worn for personnel protection is designed to attenuate
what source of exposure


ANSWERS: scatter radiation

,the acronym for a common type of personnel dosimeter


ANSWERS: TLD


What is the recommended placement for personnel dosimeter on
the body of the limited operator


ANSWERS: the badge should be worn in the region of the collar on
the anterior surface of the body and outside the lead apron, if
worn


The NCRP recommended annual effective dose limit for
occupational exposure


ANSWERS: 5.0 rem (0.05 Sv)


The NCRP recommended monthly effective (or equivalent) dose limit
to the fetus for a pregnant worker


ANSWERS: 0.05 rem (0.0005 Sv)


Radiation monitoring of personnel is required when what percentage
of the annual occupational effective dose limit is likely to be
received


ANSWERS: 10%

, The conventional (British system) radiation unit to express radiation
intensity in the air


ANSWERS: Roentgen


The conventional (British system) unit commonly used to report
occupational dose to radiation workers in the United States is the


ANSWERS: rem


What is the conventional (British system) radiation unit of absorbed
dose


ANSWERS: Rad

According to the Bergonie-Tribondeau law, the following types of
cells are most radiosensitive


ANSWERS: embryonic tissue cells


Type of x-ray photon interaction with the body is primarily
responsible for the radiation dose absorbed by the patient


ANSWERS: Photoelectric