X-rays are ---- energy waves

X-rays have a ---- wavelength

X-rays can be focused to a point

• True

• False

X-rays have no mass and no charge

• True

• False

The filament is a coil made of tungsten. Why?

• has a high atomic number

• has a small atomic number

• a dense material

• any other material can be used

The focusing cup is made of ...

• tungsten

• copper

• molybdenum

• carbide

The anode is formed of a tungsten target. Why?

• has a low melting temperature

• has a high melting temperature

• has a low kinetic energy

• has a high kinetic energy

Which of the following is an added filter?

• beryllium window

• oil

• metal barrier

• aluminium filter

What is the best type of collimators?

• rectangular

• circular

• triangular

The higher the kVp, the higher ... (you can choose more than one answer)

• the faster the electrons

• the higher the maximum energy

• the higher the penetrating ability

• the lower the maximum energy