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LRA 211 RADIOLOGY IMAGE FINAL EXAM PART 2 (GOODLUCK)
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LRA 211 RADIOLOGY IMAGE FINAL EXAM PART 2 (GOODLUCK)
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LRA 211 RADIOLOGY IMAGE FINAL EXAM PART 2(GOODLUCK)
The protective tube housing helps to
Answers :-Keep the tube cool.
-prevent electrical shocks to the radiographer.
-limit leakage radiation.
By regulation, x-ray tube leakage radiation can be no more than:
Answers :100 mR/hour @ 1 meter
The primary purpose of the glass or metal enclosure is to
Answers :maintain a vacuum within the tube.
The target window is usually approximately
Answers :5 cm^2
The rotating anode design uses a disc whose core is made of
Answers :molybdenum
Tungsten is used to coat the anode disc because it has.
Answers :a high atomic number
The portion of the induction motor that is outside the tube enclosure is the
Answers :stator
the process of a series of outer-shell electrons filling inner-shell vacancies is
known as
, Answers :characteristic cascade
Bremsstrahlung interactions may occur only when the incident electron interacts
with
Answers :the force field around the nucleus.
The energy of the brems photon depends on the
Answers :-energy of the filament electron as leaves the tungsten atom
-strength of the attraction b/t the electron and the nucleus
-original energy of the filament electron
Which of the following radiographic factors will affect x-ray quantity?
Answers :-Kilovoltage-peak (kVp)
-Source-image-distance (SID)
-Beam filtration
Filtration placed in the path of the x-ray beam
Answers :absorbs low energy photons
An important purpose of filtration is to:
Answers :decrease patient skin dose
Half-value layer is a measure of quality. True/False
Answers :true
Most classical scatter photons
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