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If a patient is taking Glucophage (metformin), how long should the patient wait before resuming the medication?

Which laboratory test is commonly used to measure kidney function before contrast administration?

After the injection of an ionic iodinated contrast agent into a patient for a renal study, the patient complains of a warm feeling. Which of the following actions is best taken by the technologist?    

Which of the following is a hallmark symptom of a severe allergic reaction to contrast media?

What distinguishes a moderate contrast reaction from a mild one?

Why is the measurement of creatinine levels important before administering contrast media?

Which of the following statement(s) is(are) TRUE regarding positive contrast agents?     1. Positive contrast agents have high atomic numbers.     2. Positive contrast agents appear dark on radiographs.     3. Positive contrast agents radiopaque.

What is a typical mild reaction to contrast media that might affect the skin?

What does the term “viscosity” refer to in the context of contrast media for CT imaging?

In current thought, the amount of formaldehyde that a funeral home puts out as waste into the environment is _____________________________________________________________________________________________________________.