If a client is scheduled to have a magnetic resonance imaging scan (MRI), which information is most important for the nurse to obtain before the procedure?
1. Whether or not the client has any metal on, such as a protective amulet
2. When the client last ate or drank
3. Whether or not the client is allergic to shellfish
4. Whether or not the client has any loose teeth
Whether or not the client has any metal on, such as a protective amulet
Rationale: The nurse must know whether the client is wearing any metal. If the client is from a culture that believes in the protection provided by amulets, it is important for the nurse to obtain this information during the history taking. The other options are not usually applicable as preparation for an MRI.
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