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RTBC SAFETY EXAM | 100 QUESTIONS | WITH ALL PASSED ANSWERS!!
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RTBC SAFETY EXAM | 100 QUESTIONS | WITH ALL PASSED ANSWERS!!
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RTBC SAFETY EXAM | 100 QUESTIONS |WITH ALL PASSED ANSWERS!!
During compton interactions, the incident x-ray photon interacts with what
portion of an atom? Answer - outer shell electron
Photons produced outside of the actual focal spot are known as: Answer - off-
focus radiation
Per the NCRP, personnel protective lead aprons used during fluoroscopy should
be at least: Answer - 0.50 millimeters of lead equivalent
Radiation dose reduction that is a result of using protective shielding is based
on what 2 things? Answer - Material of the shield
Thickness of the shield
Which radiation quantity units are supplied for fluoroscopic exams? Answer -
Air kerma
The risk of cancer is estimated by calculating the: Answer - effective dose
The measurement of the rate at which electrons flow is known as: Answer -
Amperage
A patient in the ER requires a mobile chest x ray. What effort would BEST
reduce radiation to the technologist? Answer - Standing 6 feet away from the
x-ray tube during the exposure
, During a fluoroscopic procedure, what effort would BEST reduce radiation
exposure to the technologist? Answer - Minimizing the time spent in the
procedure
What international system of units (SI) is used to express exposure? Answer -
Coulombs/Kilogram
Which two are included in the total filtration of the x-ray beam? Answer -
Added filtration
Inherent filtration
The risk of cancer is estimated by calculating the: Answer - effective dose
Which two are controlled by kVp? Answer - Beam quality
Electric potential
What is the purpose of primary beam restriction? Answer - keep the amount
of tissue irradiation to a minimum
improve image quality
reduce patient exposure
reduce scatter production
What is a type of ionizing radiation? Answer - X-rays
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