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RTE 1401 ESSENTIALS OF
RADIOGRAPHIC PHYSICS &
IMAGING FINAL PRACTI CE TEST
EXAM QUESTIONS AND A NSWERS
UPDATED
Question : The Type Of Grid That Is Permanently
Mounted But Includes A Channel For The Ir To Slide Into Is The (a) Wafer Grid (b) Bucky (c) Grid Cap (d) Grid Cassette
Correct Answer: Grid Cap
Question : Which Of The Following Is Not A Type Of
Interaction Between X-radiation And Biologic Matter?(a) Compton Scattering (b) Bremsstrahlung (c) Pair Production
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(d) Photoelectric Absorption
Correct Answer: Bremsstralung
Question : Microwaves Heat Up Food Because Their
Energy Causes The Atoms And Molecules To (a) Dissolve (b) Expand (c) Vibrate (d) Contract
Correct Answer: Vibrate
Question : In Lcd Monitors, The Number Of Tft's Is
Equal To The (a) Number Of Crystals In The Liquid Crystal Layer (b) Number Of Pixels Displayed (c) Lp/mm Of Resolution (d) Display Line System
Correct Answer: Number Of Pixels Displayed
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Question : Scatter Control Has ________ Importance
With Digital Imaging As Compared With Film-screen (a) Less (b) More (c) The Same
Correct Answer: More
Question : When Imaging The Pelvis, Changing From
14x17 Collimation To 8x10 Collimation Requires (a) An Increase In Kvp (b) An Decrease In Kvp (c) An Increase In Mas (d) An Decrease In Mas
Correct Answer: An Increase In Kvp
Question : To Increase The Quantity Of Radiation By
Adjusting The Kvp To The Same Level As Doubling The Mas, Increase The Kvp By A Factor Of (a) 2%
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(b) 5% (c) 15% (d) 25%
Correct Answer: 15%
Question : A 12-volt Battery Use 12 Joules Of Energy To
Move (a) 1 Coulomb Of Charge (b) 2 Coulombs Of Charge (c) 12 Coulombs Of Charge (d) 24 Coulombs Of Charge
Correct Answer: 1 Coulomb Of Charge
Question : When The Alpha Particle Picks Up Two
Elements As It Passes Through Air It Becomes A (a) Neutral Atom Of Hydrogen (b) Radioactive Atom Of Hydrogen (c) Neutral Atom Of Helium (d) Radioactive Atom Of Helium