Arnok
<First Aid Trainer>
Found in Durotar.
Durotar
Spell Level Skill Cost 
First Aid (Apprentice)1 
Heavy Linen Bandage40 1 First Aid (Journeyman)50 5 Anti-Venom80 2 50 Wool Bandage80 2 50 Heavy Wool Bandage115 10 Silk Bandage150 50 Quest Level Side Horde Trauma 45 Both Zone Spawns Coordinates Durotar 1 41.6, 9.2