Chapter 10 Bootcamp

Question 1

Which of the following components is NOT utilized for computed radiography (CR) systems?

a.) imaging plate reader (digitizer)
b.) imaging plate
c.) developer
d.) protective layer

Answer 1

c.) developer

Question 2

Which two of the following materials may be used in the construction of the computed radiography (CR) imaging plate outer cassette?

a.) carbon fibers
b.) lead
c.) plastic
d.) tungsten fibers

Answer 2

a.) carbon fibers
c.) plastic

Question 3

The conductor layer within the computed radiography (CR) imaging plate is responsible for which of the following?

a.) binding the phosphors to the phosphor layer
b.) increasing electrostatic charge
c.) decreasing electrostatic charge
d.) binding the photons to the phosphor layer

Answer 3

c.) decreasing electrostatic charge

Question 4

WHich layer of the computed radiography (CR) imaging plate prevents unwanted light and background radiation from affecting the unprocessed latent image?

a.) conductor layer
b.) light shield layer
c.) support layer
d.) color layer

Answer 4

b.) light shield layer

Question 5

Which layer of the CR imaging plate is responsible for creating the latent image from the transmitted xray photons exiting the patient?

a.) protective layer
b.) phosphor layer
c.) conductive layer
d.) light shield layer

Answer 5

b.) phosphor layer

Question 6

The phosphor layer of the CR imaging plate is composed of:

a.) barium fluorohalides and amorphus selenium
b.) amorphus silicon and euporium activators
c.) barium fluorohalides and euporium activators
d.) amorphus silicon and cesium iodide

Answer 6

c.) barium fluorohalides and euporium activators

Question 7

The term “latent image” is used to describe the:

a.) number of xray photons leaving the patient
b.) interactions of the xray photons with the imaging plate
c.) stored energy with the fluorohalides
d.) release of energy from the fluorohalides

Answer 7

c.) stored energy with the fluorohalides

Question 8

The thin, active layer within the CR cassette stores which of the following?

a.) manifest image
b.) patients metadata
c.) exams metadata
d.) latent image

Answer 8

d.) latent image

Question 9

What is another name for the conductive layer of a CR plate?

a.) support layer
b.) antistatic layer
c.) base layer
d.) static layer

Answer 9

b.) antistatic layer

Question 10

An xray photon is absorbed with the phosphor layer of a CR plate through what type of interaction?

a.) characteristic interactions
b.) photoelectric interactions
c.) compton interaction
d.) classical interaction

Answer 10

b.) photoelectric interaction

Question 11

Which of the following materials is responsible for storing the latent image within the CR imaging plate?

a.) helium neon
b.) rare earth metals
c.) PSP
d.) amorphus selenium

Answer 11

c.) PSP

Question 12

What is the name of the device that is needed to transfer the latent image within the imaging plate to a viewable digital radiograph?

a.) PSP
b.) developer
c.) imaging plate reader/digitizer
d.) scintillator

Answer 12

c.) imaging plate reader/digitizer

Question 13

What is the purpose of the laser within the CR digitizer?

a.) release latent image from the PSP layer
b.) release latent image from the conductor layer
c.) erase the latent image from the PSP
d.) erase the latent iamge from the conductor layer

Answer 13

a.) release latent image from the PSP layer