The following are common first aid recommendations for burns; identify which is incorrect:

• A) Apply cool running water to the burn.
• B) Apply butter to the burn.
• C) Cover the burn with a sterile, non-adhesive bandage.
• D) Elevate the burn area, if possible.

Answer: B) Apply butter to the burn.

Explanation:

• A) Apply cool running water to the burn: This is a correct first aid measure. Cool water helps to reduce the temperature of the burn, minimizing further tissue damage.
  Source: Hopkins Medicine
• B) Apply butter to the burn: This is an incorrect first aid measure. Applying butter (or any greasy substance) to a burn can trap heat, potentially worsening the burn. It also increases the risk of infection.
  Source: American Burn Association
• C) Cover the burn with a sterile, non-adhesive bandage: This is a correct first aid measure. Covering the burn helps to protect it from infection and further injury.
  Source: Mayo Clinic
• D) Elevate the burn area, if possible: This is a correct first aid measure. Elevating the burn area can help to reduce swelling.
  Source: NHS (National Health Service, UK)