The Patient Scheduled for a Computed Tomography (CT)scan with Contrast

question 14

Multiple Choice

The patient scheduled for a computed tomography (CT) scan with contrast medium questions the nurse why the technologist asked her if she had any food allergies.Which response by the nurse is correct?

• A) "The dye used for a CT scan is egg based, so egg allergies would prevent you from having the test."
• B) "People who are allergic to dairy products are likely to be allergic to CT scan dye."
• C) "Allergies to shellfish can be a problem because shellfish and CT scan dye are iodine based."
• D) "Wheat is the preservative used in CT scan dye, so allergies to wheat may cause allergies to the dye."