A security guard has to perform emergency first aid on a victim as she awaits EMTs. Which of the following is a precaution the security guard should take while administering emergency first aid?

A) The security guard should wear disposable gloves when giving first aid.
B) The security guard should not eat, drink, or chew gum when giving first aid.
C) The security guard should not touch his or her eyes, nose, or mouth when giving first aid.
D) The security guard should not take any precautions, because the victim’s life could be in danger.