What an odd reply. I have placed airways in helicopters and Piper twin-engine aircraft that were serving as air ambulances. Those are far more cramped than a commercial airliner. Control of the airway can make all the difference when things go bad in a hurry.
IV fluids are critical in dehydration--no drugs to follow.
Oh. I wrote the foregoing and then I re-read the part about "a good nurse...open up a good vein" and I realized you are a troll with no medical experience or qualifications. Good one.