Unit 130 - Session 2 - Exercise 1

Select components of X-ray tube

• Cathode

• Anode

• Glass tube

• Lead envelope

Select first step of X-ray generation

• Release of electrons from electrode due to Thermionic emission

• Acceleration of negative electrons by positively charged

  anode

• Hitting target and release of photons

• All of listed

Select second step of X-ray generation

• Release of electrons from electrode due to Thermionic emission

• Acceleration of negative electrons by positively charged

  anode

• Hitting target and release of photons

• All of listed

Select third step of X-ray generation

• Release of electrons from electrode due to Thermionic emission

• Acceleration of negative electrons by positively charged

  anode

• Hitting target and release of photons

• All of listed

Which tube has higher spatial resolution, better contrast, filtering and cooling, and a longer working life?

• Glass tube

• Metal tube

• Ceramic tube

• Metal-ceramic tube

Select best material to be used as Target anode

• Lead

• Steel

• Tungsten

• Uranium

Look at picture and select correct statement

• Increase of the focal spot size will increase unwanted shadow

• Decrease of the focal spot size will increase unwanted shadow

How heat is removed from Anode

• By rotating Anode

• By flowing cooling liquid

• By increasing voltage

• By increasing amperage

What is X-ray quantity

• Number of electrons produced by Cathode

• Energy of electrons moving from Cathode to Anode

What is X-ray quality

• Number of electrons produced by Cathode

• Energy of electrons moving from Cathode to Anode