RTE 1401 Essentials of Radiographic Physics & Imaging Final Practice Test
2026 !!
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 - (answer)grid cap
Which of the following is not a type of interaction between x-radiation and biologic matter?
a. Compton scattering
b. Bremsstrahlung
c. Pair Production
d. Photoelectric absorption - (answer)Bremsstralung
Microwaves heat up food because their energy causes the atoms and molecules to
a. dissolve
b. expand
c. vibrate
d. contract - (answer)vibrate
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
, RTE 1401 Essentials of Radiographic Physics & Imaging Final Practice Test
2026 !!
c. Lp/mm of resolution
d. display line system - (answer)number of pixels displayed
Scatter control has ________ importance with digital imaging as compared with film-screen
a. less
b. more
c. the same - (answer)more
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 - (answer)an increase in mAs
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%
b. 5%
c. 15%
d. 25% - (answer)15%
A 12-volt battery use 12 Joules of energy to move
2026 !!
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 - (answer)grid cap
Which of the following is not a type of interaction between x-radiation and biologic matter?
a. Compton scattering
b. Bremsstrahlung
c. Pair Production
d. Photoelectric absorption - (answer)Bremsstralung
Microwaves heat up food because their energy causes the atoms and molecules to
a. dissolve
b. expand
c. vibrate
d. contract - (answer)vibrate
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
, RTE 1401 Essentials of Radiographic Physics & Imaging Final Practice Test
2026 !!
c. Lp/mm of resolution
d. display line system - (answer)number of pixels displayed
Scatter control has ________ importance with digital imaging as compared with film-screen
a. less
b. more
c. the same - (answer)more
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 - (answer)an increase in mAs
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%
b. 5%
c. 15%
d. 25% - (answer)15%
A 12-volt battery use 12 Joules of energy to move
