A client is scheduled for a magnetic resonance imaging (MRI) to locate a cerebral lesion.

(A) Iodine is not used as a contrast medium for MRI. It is important to inquire about allergy to seafood if the client is to have an arteriogram or enhanced computer tomography. (B) MRI is safe if seizures are under control. It is more important to inquire about movable metal implants. (C) Clients with movable metal implants such as shrapnel or aneurysm clips or clients with permanent pacemakers or implanted pumps can be traumatized during an MRI. (D) Nonmovable metal prostheses or hardware will not cause trauma during an MRI.