Radiography Imaging

70 Questions | By Justineobean | Updated: Nov 21, 2022 | Attempts: 4051

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In this quiz, we’ll be looking at the different imaging techniques in the process of radiography – which uses X-rays among other machines to create images of the internal structures of certain objects. What can you tell us?

Questions and Answers

1.

What is needed to cause the e-stream to accelerate at an extremely high speed from the cathode to the anode?
- A.
  
  MAs
- B.
  
  KVp (high Voltage)
- C.
  
  Electric
- D.
  
  Light
2.

What do the stream of electrons need to do in order to produce an x-ray?
- A.
  
  Speed up
- B.
  
  Slow down
- C.
  
  Constant speed
- D.
  
  Stop
3.

What are (6) characteristics of x-rays?
- A.
  
  Photons/ bundles of energy
- B.
  
  Highly penetrating
- C.
  
  Invisible
- D.
  
  Travel at speed of light
- E.
  
  Travel in straight lines, diverge from point of origin
- F.
  
  Have different energies
4.

What are the major types of image receptors?
- A.
  
  Film / screen
- B.
  
  Digital
- C.
  
  Fluoroscopic
5.

What does the Remnant beam do?
6.

What happens when scatter radiation reaches the IR, what will it do?
- A.
  
  Cause a fogging effect (Grey Effect)
- B.
  
  White effect
- C.
  
  Does not show up
- D.
  
  A normal image
7.

Attenuation is a process by which the primary beam is reduced in energy as it passes through the patient (Absorbed)
- A.
  
  True
- B.
  
  False
8.

When does Attenuation vary?
- A.
  
  Different types of body tissue
- B.
  
  Bone (White)
- C.
  
  Muscle
- D.
  
  Heart (most dense muscle of body- White)
9.

A difference of attenuation causes a formation of the image?
- A.
  
  True
- B.
  
  False
10.

What are some exposure factors? (aka Technique)
- A.
  
  KVp
- B.
  
  Ma
- C.
  
  Sec
11.

What is under the direct control of the radiographer to produce quality radiographs?
- A.
  
  Knowledge
- B.
  
  Practice
- C.
  
  Skill
- D.
  
  Technique
12.

What DIRECTLY controls the energy/penetrating ability of the primary beam?
- A.
  
  MAs
- B.
  
  KVp
- C.
  
  Force
13.

If the KVp has more energy what does it have?
- A.
  
  More penetrating force
- B.
  
  Less penetrating force
- C.
  
  Same penetrating force
- D.
  
  No penetrating force
14.

If the KVp is increased what kind of image do you get?
- A.
  
  Lighter image
- B.
  
  Darker image
- C.
  
  No image
15.

What is beam quality?
- A.
  
  Penetrating ability
- B.
  
  Energy
- C.
  
  Time
16.

What controls beam quality?
- A.
  
  MAs
- B.
  
  KVp
- C.
  
  Seconds
- D.
  
  Radiographer
17.

What does KVp INDIRECTLY control? (15% rule)
- A.
  
  Quality
- B.
  
  Quantity
- C.
  
  Penetrating ability
- D.
  
  Peak
18.

What is the source of x-rays?
- A.
  
  Cathode
- B.
  
  Anode
- C.
  
  Target
- D.
  
  Rotating anode
19.

Changing either mA or S will cause a change in the degree of blackening?
- A.
  
  True
- B.
  
  False
20.

Less radiation makes an image?
- A.
  
  Lighter
- B.
  
  Darker
- C.
  
  Invisible
- D.
  
  Nothing changes
21.

More radiaiton makes an image
- A.
  
  Lighter
- B.
  
  Invisible
- C.
  
  Nothing changes
- D.
  
  Darker
22.

The degree of blackening an image?
- A.
  
  Density (mAs)
- B.
  
  Contrast
- C.
  
  SID
- D.
  
  Scatter radiation
23.

The visible difference between adjacent radiographic densities?
- A.
  
  Density
- B.
  
  Contrast
- C.
  
  KVp
- D.
  
  MAs
24.

To result in equivalent mAs values, mA & time must change in the opposite direction by the same factor; If you raise one you have to lower the other
- A.
  
  True
- B.
  
  False
25.

What does KVp do?
- A.
  
  Low energy level
- B.
  
  Controls penetrating ability
- C.
  
  Controls time
- D.
  
  None of the above