I don't know why there are so many A but well, I've explained so you gotta check if I'm correct or not.

2A 
3A (plaster: urgo
4A (faint: ngất/ come round:recover consciousness)
5A (medicine)
6A (swelling:a part of your body that has become bigger because of illness or injury. In this situation is the fall)
7A (Rash: phát ban)
8C