ASRT Mod #1
1. The beam that contains useful or diagnostic information is known as the:
a. incident beam.
b. remnant beam.
c. penetrating beam.
d. scattered beam. - answerb. remnant beam.
2. Digital imaging systems have a large dynamic range, which means that they can
respond to a wide range of:
a. exposures.
b. positions.
c. body habitus.
d. image receptors. - answera. exposures.
3. In analog imaging, the intensifying screen converts x-rays into:
a. electrons.
b. protons.
c. a latent image.
d. light photons. - answerd. light photons.
4. In an analog-to-digital converter, the analog input consists of:
a. numeric data.
b. light photons.
c. silver halide crystals.
d. electrons. - answerd. electrons.
5. Which of the following symbols compose the binary language?
1. 0
2. 1
3. #
a. 1 and 2
b. 1 and 3
c. 2 and 3
d. 1, 2 and 3 - answera. 1 and 2
6. How many shades of gray does an 8-bit image display?
1. The beam that contains useful or diagnostic information is known as the:
a. incident beam.
b. remnant beam.
c. penetrating beam.
d. scattered beam. - answerb. remnant beam.
2. Digital imaging systems have a large dynamic range, which means that they can
respond to a wide range of:
a. exposures.
b. positions.
c. body habitus.
d. image receptors. - answera. exposures.
3. In analog imaging, the intensifying screen converts x-rays into:
a. electrons.
b. protons.
c. a latent image.
d. light photons. - answerd. light photons.
4. In an analog-to-digital converter, the analog input consists of:
a. numeric data.
b. light photons.
c. silver halide crystals.
d. electrons. - answerd. electrons.
5. Which of the following symbols compose the binary language?
1. 0
2. 1
3. #
a. 1 and 2
b. 1 and 3
c. 2 and 3
d. 1, 2 and 3 - answera. 1 and 2
6. How many shades of gray does an 8-bit image display?
