The nurse is completing the preoperative checklist for a client diagnosed with a herniated disc. Which information is priority for the nurse to notify the operating room staff? 1. The client is...

The nurse is completing the preoperative checklist for a client diagnosed with a herniated disc. Which information is priority for the nurse to notify the operating room staff?

1. The client is complaining of a headache.

2. The client is allergic to iodine and aspirin.

3. The client has not had anything to drink.

4. The client’s hematocrit is 43%.