Final answer:
The MRT should offer ice chips or a drink of water to a patient who is extremely anxious and has a dry mouth.
Step-by-step explanation:
When a patient from the emergency department is extremely anxious and demonstrates a dry mouth, the MRT should consider offering some form of oral hydration. Checking the patient's chart before offering anything is important. A suitable option would be to offer ice chips or a drink of water. These can help alleviate the patient's symptoms of thirst and provide some relief. However, it is important to check the patient's chart before offering anything to ensure there are no restrictions or contraindications.