Xray-grids, Filters, And Radiation Interactions

12 Questions | By Remerson89 | Last updated: Sep 29, 2017 | Total Attempts: 1170

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1.

What would the grid ratio be with a height of 4cm and a width of .25cm?
- A.
  
  16:1
- B.
  
  12:1
- C.
  
  8:1
- D.
  
  5:1
2.

The lead strips in a grid are made of
- A.
  
  Lead
- B.
  
  Aluminum
- C.
  
  Plastic fibers
- D.
  
  Aluminum and plastic
3.

The grid is coated with....
- A.
  
  Aluminum
- B.
  
  Titanium
- C.
  
  Lead
- D.
  
  Plastic
4.

Grid frequency is the...
- A.
  
  Number of grid lines per inch
- B.
  
  Number of grid lines per centimeter
- C.
  
  Number of interspaces
- D.
  
  Number of lead strips
5.

Why are linear grids more used in clinical applications?
- A.
  
  Better for tube angling
- B.
  
  Can handle more kvp
- C.
  
  Has more lead strips
- D.
  
  Has thicker lead strips
6.

Inherent filtration is any filtration.....
- A.
  
  Inside the tube and housing
- B.
  
  Inside collimator
- C.
  
  Outside the collimator
- D.
  
  Inside tube housing and collimator
7.

Added filtration occurs where?
- A.
  
  Outside the tube housing
- B.
  
  Inside tube housing
- C.
  
  Inside the bucky only
- D.
  
  Inside the collimator only
8.

Compensation filters include which of the following (check all that apply)
- A.
  
  Wedge
- B.
  
  Trough
- C.
  
  K-edge
- D.
  
  Thoraeus
9.

Filtration is also sometimes called what?
- A.
  
  Hardening of the beam
- B.
  
  Diverging of the beam
- C.
  
  Softening of the beam
- D.
  
  Strengthening of the beam
10.

Which type of interaction involves no energy transfer?
- A.
  
  Coherent
- B.
  
  Compton
- C.
  
  Bremsstrahlung
- D.
  
  Photoelectric
11.

What interaction involves a incident electron interacting with an inner shell electron?
- A.
  
  Photoelectric
- B.
  
  Bremsstrahlung
- C.
  
  Characteristic
- D.
  
  Compton
12.

In a characteristic interaction, which electron movement will be diagnostically relevant?
- A.
  
  drop into K shell
- B.
  
  Drop into L shell
- C.
  
  Drop into M shell
- D.
  
  All of the above

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