Medical Imaging Quiz

What does spatial resolution refer to in medical imaging?

• The amount of noise in an image

• The ability to distinguish between different colors

• The ability to resolve small structures

• The overall brightness of an image

Which type of resolution helps identify variations between soft tissue densities?

• Geometric Resolution

• Temporal Resolution

• Contrast Resolution

• Spatial Resolution

What is a common cause of reduced image sharpness?

• Patient motion

• High contrast settings

• Excessive image compression

• Low radiation dose

What does the Exposure Index (EI) indicate?

• The clarity of the image

• The number of images taken

• The radiation dose used to produce an image

• The type of imaging equipment used

What is Visual Grading Analysis (VGA) used for?

• To measure radiation exposure

• To evaluate how well an image meets diagnostic criteria

• To enhance image contrast

• To reduce image noise

What does a histogram analyze in medical imaging?

• The size of the imaging equipment

• The distribution of pixel intensities

• The color distribution of an image

• The type of medical imaging modality

What is the purpose of Gaussian filtering?

• To remove background noise

• To increase the brightness of an image

• To smooth images by averaging out intensity variations

• To enhance edges in an image

What is the main advantage of lossless compression?

• It significantly reduces file size

• It retains all image data without loss

• It is easier to transmit over the internet

• It is faster than lossy compression

What does DICOM stand for?

• Digital Imaging and Communications in Medicine

• Diagnostic Imaging and Communication in Medicine

• Digital Imaging and Communication in Management

• Diagnostic Imaging and Communications in Management

What is the purpose of edge enhancement in medical imaging?

• To highlight the borders of anatomical features

• To compress the image size

• To reduce noise in the image

• To increase the overall brightness