What is the priority nursing intervention for a client who is admitted to the emergency department with burns over an estimated 27% of the upper body surface area? 1. Insert a large-caliber IV line....

What is the priority nursing intervention for a client who is admitted to the emergency department with burns over an estimated 27% of the upper body surface area?

1. Insert a large-caliber IV line.

2. Administer morphine intramuscularly.

3. Establish an airway.

4. Administer tetanus toxoid.