Iodine Based Contrast Media

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Questions and Answers

What is a key characteristic of iodine-based contrast media regarding its administration?

  • It can be taken orally or intravenously. (correct)
  • It is exclusively administered topically.
  • It is a light chemical administered only through inhalation.
  • It is designed for intramuscular injection only.

Which of the following is NOT a type of iodine-based contrast media?

  • Both A and B
  • Non-Ionic CM
  • Gaseous CM (correct)
  • Ionic CM

In what form is iodine-based contrast media typically available for medical use?

  • A dense liquid. (correct)
  • A gaseous form for inhalation.
  • A solid tablet for oral consumption.
  • A fine powder for reconstitution.

A patient is scheduled for a CT scan requiring contrast. The doctor notes the patient has a history of reactions to ionic contrast media. Which type of iodine-based contrast would be a more suitable choice?

<p>Non-ionic contrast media. (D)</p> Signup and view all the answers

A radiologist is preparing for an angiogram and needs to choose a contrast agent. Considering the need for immediate visualization and the patient's stable condition, which property of iodine-based contrast media is MOST relevant?

<p>Its density for X-ray absorption. (C)</p> Signup and view all the answers

A doctor needs to administer contrast media to a patient with impaired kidney function. What consideration is MOST important when using iodine-based contrast?

<p>Careful consideration of the risk of contrast-induced nephropathy. (A)</p> Signup and view all the answers

What characteristic of iodine-based contrast media primarily contributes to its visibility on X-ray and CT scans?

<p>Its high atomic number. (D)</p> Signup and view all the answers

How do ionic and non-ionic iodine-based contrast media differ chemically, and what impact does this have on their properties?

<p>Non-ionic contrast media do not dissociate into ions in solution, reducing the risk of adverse reactions. (C)</p> Signup and view all the answers

When might oral administration of iodine-based contrast be preferred over intravenous administration?

<p>When imaging the gastrointestinal tract. (B)</p> Signup and view all the answers

Compared to other types of contrast agents, what is a notable disadvantage of iodine-based contrast media?

<p>Higher risk of allergic reactions. (D)</p> Signup and view all the answers

Flashcards

Iodine-based contrast media

A dense chemical substance administered orally or intravenously.

Ionic Contrast Media (CM)

A type of contrast media that dissociates into ions in solution.

Non-Ionic Contrast Media (CM)

A type of contrast media that doesn't dissociate into ions in solution.

Study Notes

  • Iodine based contrast media is a dense chemical.
  • Can be taken orally or intravenously.
  • There are two types of iodine based contrast media.
  • Ionic CM
  • Non-Ionic CM

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