Radiography Quiz

Where are panoramic extraoral radiographs commonly found?

• Only in orthodontic offices

• In general and specialty offices

• Exclusively in digital format

• In veterinary clinics

What type of extraoral radiograph is common with orthodontists?

• Panoramic

• Cephalometric

• Digital

• Intraoral

What is becoming the standard in extraoral radiography?

• Panoramic

• Cephalometric

• Digital

• Manual processing

Why is digital radiography preferred?

• It is more expensive

• It is less accurate

• It is easier for staff

• It takes longer to process

What does tomography in panoramic radiography show?

• Multiple layers

• One layer

• No layers

• All of the above

What are the rotational centers in panoramic radiography?

• Tubehead and Cassette

• Tubehead and Focal trough

• Cassette and Focal trough

• Tubehead and Image layer

What is the focal trough in panoramic radiography?

• The rotational path of the tubehead

• The area where the image is most sharp

• The part of the machine that holds the film

• The layer that is not shown in the image

Which of the following is NOT a component of the Panoramic Unit as listed in the image?

• Exposure controls

• Head positioner

• X-ray tubehead

• Film developer

What is the purpose of the head positioner in a Panoramic Unit?

• To control the exposure levels

• To hold the X-ray film cassette

• To stabilize the patient's head during the X-ray

• To generate the X-rays

What should be worn by the patient to protect against radiation during a panoramic X-ray procedure?

• Safety goggles

• Lead apron without thyroid collar

• Surgical mask

• Hearing protection