Final answer:
Antiseptics are used before performing surgery, after cleaning a wound, and when treating a bacterial infection to prevent infection and promote healing.
Step-by-step explanation:
Antiseptics are used in several scenarios:
- Before performing surgery, antiseptics are used to ensure a clean and sterile environment, reducing the risk of infection for the patient.
- After cleaning a wound, antiseptics can be applied to prevent the growth of bacteria and reduce the chances of infection.
- When treating a bacterial infection, antiseptics can be used to eliminate or inhibit the growth of bacteria, promoting healing.
Therefore, the correct answer is 4) All of the above.