Answer:
Since, I can't copy and paste go on translate.
Answer:
The necesary action is:
Clean the wound and let it air out.
The answer would be "sabes" it means "do you know" conoces mean also "do you know" but it refears if you know someone and sabes is if you know about something, "sabemos" means we know and "conosiste" means did you meet
Hope this helps
The first choice is the correct one ;)
Ellos no están enfermos hoy.