Radiography and SPECT Imaging
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Questions and Answers

What type of radiograph represents dense material as white and softer material as shades of gray?

  • PET Scan
  • Conventional Radiograph (correct)
  • CT Scan
  • SPECT Scan

    • Which imaging technique uses high-frequency sound waves to produce real-time moving images?

  • PET
  • SPECT
  • CT
  • Ultrasonography (correct)

    • What is the primary difference between SPECT and PET scans?

  • The type of radioactive material used
  • The duration of the scan
  • The way the radioactive material is absorbed by the body (correct)
  • The type of imaging technology used

    • Which type of imaging technique is especially useful for visualizing blood flow through arteries and veins in the brain?

    <p>SPECT Scan</p> Signup and view all the answers

    What is the term for radiographic techniques that produce detailed cross-sections of an area, tissue, or organ at a predetermined depth?

    <p>Tomography</p> Signup and view all the answers

    Which imaging technique integrates computed tomography (CT) and a radioactive material (tracer) injected into the bloodstream?

    <p>SPECT Scan</p> Signup and view all the answers

    What is the main purpose of Doppler ultrasound?

    <p>To detect and measure blood-flow velocity and direction</p> Signup and view all the answers

    Which imaging technique involves rotating an x-ray emitter around the area to be scanned?

    <p>Computed Tomography (CT)</p> Signup and view all the answers

    What is the term for the process of recording?

    <p>Graphy</p> Signup and view all the answers

    Which imaging technique is used to visualize internal structures in real-time?

    <p>Fluoroscopy</p> Signup and view all the answers

    What is the term for the study of the internal structure of the body using x-rays?

    <p>Radiography</p> Signup and view all the answers

    What is the primary function of a contrast medium in imaging techniques?

    <p>To highlight specific structures or features</p> Signup and view all the answers

    What is the primary purpose of fluoroscopy?

    <p>To view the motion of organs and aid in the placement of catheters</p> Signup and view all the answers

    What is a major advantage of Magnetic Resonance Imaging (MRI) over other imaging techniques?

    <p>It provides superior soft tissue contrast and avoids radiation hazards</p> Signup and view all the answers

    What type of imaging technique is used in fluoroscopy?

    <p>X-ray beam directed through the body to a fluorescent screen</p> Signup and view all the answers

    In which areas does MRI prove superior to CT scans?

    <p>Central nervous system, musculoskeletal, and pelvic areas</p> Signup and view all the answers

    What is a characteristic of MRI?

    <p>It uses radiowaves and a strong magnetic field</p> Signup and view all the answers

    What is NOT a characteristic of fluoroscopy?

    <p>It uses radiowaves and a strong magnetic field</p> Signup and view all the answers

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