The client diagnosed with gastroenteritis was admitted to the medical floor yesterday and has just had another loose, watery stool. Based on the following medication administration record (MAR), which...

The client diagnosed with gastroenteritis was admitted to the medical floor yesterday and has just had another loose, watery stool. Based on the following medication administration record (MAR), which action should the nurse implement?

1. Administer a diphenoxylate (Lomotil) tablet.

2. Increase the intravenous fluid rate.

3. Notify the health-care provider.

4. Send a stool specimen to the lab.