Contrast Agents in Medical Imaging Quiz
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Questions and Answers

What type of diagnostic imaging technique allows radiologists to obtain better images of tubular structures by using contrast agents?

  • Ultrasound
  • MRI
  • Fluoroscopy (correct)
  • CT scan

Which type of diagnostic test does not involve puncturing or cutting the skin?

  • Non-invasive therapeutic injections (correct)
  • CT scan with contrast agents
  • Stent placement
  • Cardiac catheterization

What is the purpose of using contrast agents in diagnostic imaging?

  • To reduce radiation exposure
  • To eliminate the need for multiple views
  • To create clearer images of tubular structures (correct)
  • To speed up the imaging process

Which type of imaging technique involves the introduction of an instrument or catheter through a natural orifice?

<p>X-ray with contrast (A)</p> Signup and view all the answers

What is the primary advantage of fluoroscopy over regular X-rays?

<p>Ability to view moving body parts (B)</p> Signup and view all the answers

In which situation can fluoroscopy be a valuable aid for minimally invasive surgery?

<p>For placement of catheters during arthroscopy (A)</p> Signup and view all the answers

What is a common adverse reaction to contrast agents used in imaging procedures?

<p>Hypersensitivity reactions (B)</p> Signup and view all the answers

Where are iodine-based contrast agents typically instilled in the body for imaging procedures?

<p>Into hollow organs (D)</p> Signup and view all the answers

What is the primary advantage of digital radiography over traditional radiography?

<p>Faster image processing (A)</p> Signup and view all the answers

Which method allows the radiologist to manipulate images immediately on a computer monitor?

<p>Digital radiography (C)</p> Signup and view all the answers

What is the imaging receptor for plain x-ray that produces shades of black, gray, and white?

<p>Bone density (D)</p> Signup and view all the answers

What is a primary function of contrast agents used in imaging procedures?

<p>To enhance visibility of organs or tissues (C)</p> Signup and view all the answers

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