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Reactions to Intravascular Iodinated Contrast Media

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Questions and Answers

What type of reactions can occur in response to intravascular iodinated contrast media?

Immune and nonimmune reactions
Anaphylactoid and idiosyncratic reactions
Idiosyncratic and anaphylactic reactions
Physiologic and allergic reactions (correct)

What is the primary difference between an allergic reaction and an idiosyncratic reaction?

The severity of the reaction
The timing of the reaction
The type of symptoms presented
The mechanism of action (correct)

What is another term for idiosyncratic reactions?

Physiologic reactions
Anaphylactoid reactions (correct)
Immune reactions
Allergic-like reactions

What type of immune response is involved in an allergic reaction to intravascular iodinated contrast media?

IgE-mediated response (B) Signup and view all the answers

What type of reaction is an allergic-like reaction?

Idiosyncratic reaction (D) Signup and view all the answers

What is a key difference between allergic and idiosyncratic reactions to iodinated contrast media?

The predictability of the reaction (B) Signup and view all the answers

What is a characteristic of idiosyncratic reactions to iodinated contrast media?

They are unpredictable and independent of dose (A) Signup and view all the answers

What is the primary mechanism of allergic-like reactions to iodinated contrast media?

Release of histamine from mast cells (A) Signup and view all the answers

What type of reaction is most likely to occur in response to intravascular iodinated contrast media?

Anaphylactoid reaction (A) Signup and view all the answers

What is a common feature of both allergic and idiosyncratic reactions to iodinated contrast media?

They can be fatal (C) Signup and view all the answers

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