Radiographic Cassette Quiz

What is the primary function of a radiographic cassette?

• To provide a source of radiation

• To generate x-rays

• To process the radiographic film

• To hold x-ray films and intensifying screens in contact

Which material is commonly used for the front of a radiographic cassette?

• Lead

• Plastic

• Glass

• Wood

What is the purpose of the intensifying screen in a radiographic cassette?

• To hold the film in place

• To enhance the x-ray beam

• To convert photon energy to light

• To protect the film from light

What is the recommended lead equivalent for the back of a cassette when used with 150 kV equipment?

• 0.30 mm

• 0.20 mm

• 0.12 mm

• 0.05 mm

Which of the following is a characteristic of the cassette front?

• It must be heavy and rigid

• It should allow light to enter

• It should minimize x-ray attenuation

• It must be made of high atomic number material

What type of material is used for the phosphor layer in an intensifying screen?

• Lead

• Aluminium

• Glass

• Fluorescent material

What is Quantum Detection Efficiency (QDE)?

• The thickness of the cassette front

• The amount of light emitted by the phosphors

• The fraction of incident x-ray photons that interact with the screen

• The ability of the screen to convert energy

Which of the following is NOT a feature of a radiographic cassette?

• Lightweight

• Easy to open and close

• Strong and rigid

• Contains sharp edges

What is the purpose of the compression device inside the cassette?

• To enhance image quality

• To protect the film from radiation

• To maintain close screen-film contact

• To hold the film in place

Which of the following is a type of cassette holder?

• Wall holders

• Film processors

• X-ray tubes

• Radiographic films