A patient who suffered a head gunshot wound is legally declared incompetent, and his wife is the legal guardian. Who signs the informed consent for dental treatment?

Correct answer: A. The patient's wife (legal guardian)

• A. Correct. When a patient is legally incompetent, the appointed legal guardian (here, the wife) provides consent.
• B. An incompetent patient cannot give valid legal consent.
• C. The dentist cannot consent on the patient's behalf.
• D. Consent is always required; here it is given by the guardian.