18 Questions
What type of radiograph represents dense material as white and softer material as shades of gray?
Conventional Radiograph
Which imaging technique uses high-frequency sound waves to produce real-time moving images?
Ultrasonography
What is the primary difference between SPECT and PET scans?
The way the radioactive material is absorbed by the body
Which type of imaging technique is especially useful for visualizing blood flow through arteries and veins in the brain?
SPECT Scan
What is the term for radiographic techniques that produce detailed cross-sections of an area, tissue, or organ at a predetermined depth?
Tomography
Which imaging technique integrates computed tomography (CT) and a radioactive material (tracer) injected into the bloodstream?
SPECT Scan
What is the main purpose of Doppler ultrasound?
To detect and measure blood-flow velocity and direction
Which imaging technique involves rotating an x-ray emitter around the area to be scanned?
Computed Tomography (CT)
What is the term for the process of recording?
Graphy
Which imaging technique is used to visualize internal structures in real-time?
Fluoroscopy
What is the term for the study of the internal structure of the body using x-rays?
Radiography
What is the primary function of a contrast medium in imaging techniques?
To highlight specific structures or features
What is the primary purpose of fluoroscopy?
To view the motion of organs and aid in the placement of catheters
What is a major advantage of Magnetic Resonance Imaging (MRI) over other imaging techniques?
It provides superior soft tissue contrast and avoids radiation hazards
What type of imaging technique is used in fluoroscopy?
X-ray beam directed through the body to a fluorescent screen
In which areas does MRI prove superior to CT scans?
Central nervous system, musculoskeletal, and pelvic areas
What is a characteristic of MRI?
It uses radiowaves and a strong magnetic field
What is NOT a characteristic of fluoroscopy?
It uses radiowaves and a strong magnetic field
Learn about radiography, a medical imaging technique that uses x-rays to produce images of the body. Also, discover SPECT, a radiological technique that combines CT scans with radioactive tracers to visualize blood flow to tissues and organs.
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