Which of the following nursing interventions has the highest priority for the client scheduled for an intravenous pyelogram?
A. Providing the client with a favorite meal for dinner
B. Asking if the client has allergies to shellfish
C. Encouraging fluids the evening before the test
D. Telling the client what to expect during the test
Correct Answer: B. Asking if the client has allergies to shellfish
Option B: The contrast media used during an intravenous pyelogram contains iodine, which can result in an anaphylactic reaction.
Options A, C, and D: They do not relate specifically to the test.