Quiz on Digital Imaging

What is the display bit depth?

• 1 bit

• 6 bit

• 8 bit

Answer explanation

number of colors used for quantization is related to the bit
depth of the digital image

What permits the capture of x-ray information from both sides of the Imaging Plate (IP) simultaneously?

• Dual-side reading technology

• Single-side reading technology

• Digital radiography

• Computed tomography

What is the role of the 50-µm laser in the capture of x-ray information?

• It enhances the resolution of x-ray images.

• It is used to scan and capture x-ray data.

• It filters out noise from x-ray images.

• It amplifies the x-ray signals.

How is light emitted from both sides of the Imaging Plate (IP)?

• By using a special coating on the plate

• Through a process of reflection and refraction

• Due to the presence of phosphor crystals

• Because of the dual-layer structure of the plate

The intensity (brightness) of the light correlates to what on the image?

• Color

• Contrast

• Sharpness

• Exposure

What are digital numeric values stored in for display on a cathode ray tube (CRT), LCD, or printed on film?

• Binary code

• Hexadecimal code

• Decimal code

• Octal code

Digital images are a (matrix) of ______ (picture element) values.

• pixel

• voxel

• bit

• byte

Directed Digital Radiography (DR or DDR) is a type of:

• X-ray imaging technology

• Ultrasound technique

• Magnetic Resonance Imaging (MRI)

• Computed Tomography (CT)

How is DR connected to the image processing system?

• Through a direct interface

• Via a network connection

• Using a wireless protocol

• It is not connected

What does a Detector Element (DEL) collect?

• Light

• Sound

• Heat

• Electricity