X-ray Tube Quiz

What material is commonly used for the filament in an X-ray tube?

• Copper

• Lead

• Tungsten

• Aluminum

What is the purpose of the protective housing in an X-ray tube?

• To enhance image quality

• To support the X-ray tube during operation

• To increase the tube's lifespan

• To insulate against electric shock

What does the term 'isotropic emission' mean?

• Emission that is absorbed

• Emission with equal intensity in all directions

• Emission that is focused in one direction

• Emission that is filtered

What is the primary function of the anode in an X-ray tube?

• To emit electrons

• To insulate the tube

• To support the filament

• To conduct electricity

Which type of anode is typically used in portable X-ray imaging systems?

• Rotating anode

• High-speed anode

• Stationary anode

• Variable anode

What is the primary advantage of using tungsten as a target material in X-ray tubes?

• Easy to manufacture

• Low cost

• High melting point

• Lightweight

What is the typical size of the window through which the useful beam emerges in an X-ray tube?

• 15 cm²

• 2 cm²

• 5 cm²

• 10 cm²

Which component of the X-ray tube helps to focus the electron beam onto the anode?

• Focusing cup

• Filament

• Glass envelope

• Collimator

A diagnostic x-ray tube is an example of which of the following?

• Cathode

• Diode

• Anode

• Electrode

A stationary anode will most likely be used in which of the following?

• Chest radiography

• Dentistry

• General radiography

• Mammography