RTE 1401 ESSENTIALS OF RADIOGRAPHIC PHYSICS

RTE 1401 ESSENTIALS OF RADIOGRAPHIC PHYSICS &

IMAGING FINAL PRACTICE TEST EXAM (ACTUAL

QUESTIONS AND VERIFIED ANSWERS

UPDATED

The type of grid that is permanently mounted but includes a channel for the IR to slide into is the

• wafer grid
• bucky
• grid cap
• grid cassette - <<<<<>>>>grid cap

Which of the following is not a type of interaction between x- radiation and biologic matter?

• Compton scattering
• Bremsstrahlung
• Pair Production
• Photoelectric absorption - <<<<<>>>>Bremsstralung

Microwaves heat up food because their energy causes the atoms and molecules to

• dissolve
• expand 1 / 2

• vibrate
• contract - <<<<<>>>>vibrate

Particulate radiation includes

• alpha particles
• x-ray particles
• beta particles - <<<<<>>>>alpha & beta particles

Half-life is defined as - <<<<<>>>>the time it takes for half the remaining atoms in an amount of radioactive element to decay

The three fundamental particles of an atom are - <<<<<>>>>neutron, electron, proton

A radiograph with low radiographic contrast

• has very few densities
• has very similar densities
• has short-scale contrast
• none of the above - <<<<<>>>>has very similar

densities

The grid is part of device located just below the table top that also includes a tray to hold the IR. This device is called..

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