A nurse is providing discharge teaching to a client who has methicillin-resistant Staphylococcus aureus in a leg wound. Which of the following instructions should the nurse include in the teaching about this antibiotic-resistant infection?

A) "I have been taking acetaminophen when my knees start to hurt.":
Taking acetaminophen for pain relief indicates that the client is managing the osteoarthritis symptoms appropriately. Acetaminophen is a recommended first-line treatment for mild to moderate pain associated with osteoarthritis and can help improve the client's quality of life by reducing discomfort.

B) "I've been sleeping on my back with a large pillow under my knees.":
Sleeping with a large pillow under the knees can cause the knees to remain in a flexed position for prolonged periods, potentially leading to joint stiffness and worsening pain. This practice is not typically recommended for clients with osteoarthritis as it can exacerbate symptoms.

C) "I have been exercising every day, even when I have pain.":
While regular exercise is beneficial for managing osteoarthritis, it is important to avoid exercising through significant pain. Pain during exercise may indicate overuse or joint damage. Clients should be encouraged to modify their activities to prevent further joint stress and manage symptoms effectively.

D) "I've been changing my lidocaine patches every 18 hours.":
Lidocaine patches are typically designed for 12-hour application periods, followed by a 12-hour off period. Changing the patches every 18 hours may not provide the intended relief and could lead to inconsistent pain management. Proper use of pain management techniques is essential for effective disease management.

A) Double-bag the client's trash before removing it from the room: While double-bagging is a precaution used in certain infections to prevent contamination, it is not necessary for influenza. Influenza spreads via respiratory droplets rather than contact with contaminated objects. Standard waste disposal methods are typically sufficient to manage the risk of contamination from trash.

B) Place the client in a negative air pressure room with 6 to 12 air exchanges per hour: Negative air pressure rooms are designed to contain airborne pathogens by preventing contaminated air from escaping the room. Diseases such as tuberculosis or measles require this level of isolation. However, influenza spreads through droplets that settle quickly rather than remaining airborne, making negative air pressure rooms unnecessary for influenza isolation.

C) Ensure all air in the client's room is filtered through a HEPA filter: HEPA (High-Efficiency Particulate Air) filters are used to trap airborne particles. For influenza, which is spread by larger respiratory droplets, such filtration is not needed. The droplets are too large to remain suspended in the air and are typically spread through close contact, rather than requiring air filtration.

D) Wear a surgical mask when within 1 m (3 ft) of the client: This is the most appropriate precaution. Influenza is primarily spread through respiratory droplets that can travel about 1 meter (3 feet) when a person coughs, sneezes, or talks. Wearing a surgical mask within this distance helps prevent inhaling these droplets, thus reducing the risk of transmission. This aligns with droplet precautions which are standard for managing influenza.