Radiographic Settings - in Progress

18 - 23

Review!

Multiple Choice

Which setting affects the density (or toastiness) of the x-ray?

• kVp

• mAs

• Seconds

• Temperature

Match

Match the following

• Quality of the X-ray Beam.

  Penetration / Contrast.

• Quantity of electrons that are produced.

  Density / Darkness of the x-ray.

• Amount of time that the anode has a positive charge and is receiving electrons.

kVp

mA

s

• kVp

• mA

• s

Match

Match the following

High mAs

Good mAs

Low mAs

• High mAs

• Good mAs

• Low mAs

Drag and Drop

​

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is associated with ​ contrast of an image, and controls the ​

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of the x-ray beam, or it's penetrative power.

​

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affects the ​

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of the finished x-ray, and controls the ​

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of photons produced.

Drag these tiles and drop them in the correct blank above

kVp

mA

density

quantity

quality

Multiple Choice

Which time setting is the shortest?
(IE shortest amount of time?)

• 1/60th of a second

• 1 second

• 1/20th of a second

• 1/120th of a second

Multiple Choice

What type of artifact can occur on an x-ray if our time setting is set too long?

• Image inversion
• Motion blur

• Contrast enhancement
• Overexposure

300 mA 0.005 second

Calculate mAs, if mAs = mA x s

500 mA 1/2 a second

Calculate mAs, if mAs = mA x s

5 mAs 100 mA

Calculate s, if mAs = mA x s

18 - 23

Review!

Multiple Choice

What does the mAs setting on the X-Ray machine control?

• Quality of the X-ray beam

• Wavelength of the X-ray beam

• Speed of the electrons released

• Quantity of the electrons released

Multiple Choice

If the mA is 120 and the time is 1/20, what is the mAs?

• 4

• 6

• 12

• 24