#1
Which of the following is not a common file format used in digital medical imaging?
PDF
ExplanationPDF is not commonly used due to its lack of support for DICOM metadata.
#2
What does PACS stand for in the context of digital imaging in healthcare?
Picture Archiving and Communication System
ExplanationPACS facilitates storage, retrieval, and sharing of medical images and reports.
#3
In medical imaging, what does the acronym 'MRI' stand for?
Magnetic Resonance Imaging
ExplanationMRI utilizes magnetic fields and radio waves to generate detailed images.
#4
What does 'DICOM' stand for in the context of digital imaging in healthcare?
Digital Imaging and Communication in Medicine
ExplanationDICOM is a standard for handling, storing, and transmitting medical images.
#5
Which of the following is a common application of digital imaging in dentistry?
Dental X-rays
ExplanationDigital imaging in dentistry includes X-rays for diagnosis and treatment planning.
#6
Which technology is commonly used in medical imaging to create three-dimensional images of the body?
Computed Tomography (CT)
ExplanationCT scans utilize X-rays from multiple angles to generate 3D images.
#7
In digital mammography, what is the purpose of CAD (Computer-Aided Detection)?
To assist radiologists in detecting abnormalities
ExplanationCAD software helps identify potential areas of concern for further examination.
#8
What is the purpose of image segmentation in medical imaging?
To partition an image into meaningful regions
ExplanationImage segmentation helps isolate specific structures or tissues for analysis.
#9
Which of the following imaging modalities does not use ionizing radiation?
MRI
ExplanationMRI employs magnetic fields and radio waves, avoiding ionizing radiation.
#10
What is the main advantage of using digital mammography over traditional film mammography?
Improved image quality and storage
ExplanationDigital mammography offers clearer images and easier storage and retrieval.
#11
What is the role of a gamma camera in nuclear medicine imaging?
To detect gamma rays emitted by radioactive tracers
ExplanationGamma cameras capture gamma rays emitted by radiotracers to create images.
#12
What is the function of a C-arm in medical imaging procedures?
To provide real-time X-ray images during surgeries
ExplanationC-arms offer X-ray visualization during procedures, aiding in real-time guidance.
#13
What is the primary advantage of digital radiography over traditional film-based radiography?
Improved image quality and immediate image availability
ExplanationDigital radiography offers clearer images and instant availability for review.
#14
What is the purpose of contrast agents in medical imaging?
To enhance image contrast and visibility of certain tissues or structures
ExplanationContrast agents highlight specific areas for better visualization in imaging.
#15
What is the primary advantage of digital subtraction angiography (DSA) over conventional angiography?
Faster image acquisition
ExplanationDSA allows rapid subtraction of background for clearer vascular images.