RTE 1401 Essentials of Radiographic Physics & Imaging Final
Practice Test
Question 1.
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
Question 2.
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
Question 3.
Microwaves heat up food because their energy causes the atoms and molecules to a. dissolve b. expand c. vibrate d. contract
ANSWER
vibrate
Question 4.
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
ANSWER
number of pixels displayed
Question 5.
Scatter control has ________ importance with digital imaging as compared with film-screen a. less b. more c. the same
ANSWER
more
Question 6.
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
1/3
Practice Test
Question 1.
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
Question 2.
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
Question 3.
Microwaves heat up food because their energy causes the atoms and molecules to a. dissolve b. expand c. vibrate d. contract
ANSWER
vibrate
Question 4.
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
ANSWER
number of pixels displayed
Question 5.
Scatter control has ________ importance with digital imaging as compared with film-screen a. less b. more c. the same
ANSWER
more
Question 6.
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
1/3
