To promote patient confidentiality, which of the following would be appropriate to discuss with the patient if the patient is in a crowded waiting room?
a. Discussing the patient's medical history with a colleague in the cafeteria.

b. Sharing patient diagnoses with friends during a social gathering.

c. Providing a detailed account of a patient's condition on a public forum.

d. Talking about a patient's treatment plan with a healthcare provider involved in their care.