What is the difference between expressed consent and implied consent?

What is the difference between expressed consent and implied consent?

• A. Expressed consent is implicit only when the patient cannot give consent.
• B. Implied consent means the patient explicitly agrees to treatment.
• C. Expressed consent is not required if care is necessary.
• D. Expressed consent is explicit permission; implied consent applies when patient is unable to give consent and care is necessary.

Answer: (D)