A nurse on a medical flight crew is assessing an alert but lethargic client with a possible closed head injury. The nurse is correct in giving priority attention to which of the following for data...

A nurse on a medical flight crew is assessing an alert but lethargic client with a possible closed head injury. The nurse is correct in giving priority attention to which of the following for data relating to the client’s neurologic status?

1. Temperature and blood pressure

2. Respiratory rate and breathing effort

3. Level of consciousness and pupillary responses

4. Peripheral vision and cranial nerve function