A nurse is reinforcing teaching with a client about reducing dietary caffeine intake. The nurse should remind the client that 240 mL (8 oz) of which of the following beverages contains the least amount of caffeine?

A. Instant coffee: Instant coffee generally contains more caffeine than brewed green tea or cola soft drinks. A typical 8 oz serving of instant coffee contains about 30–90 mg of caffeine. B. Hot cocoa: This is correct. Hot cocoa contains the least amount of caffeine compared to the other options. An 8 oz serving typically contains around 5–10 mg of caffeine. C. Brewed green tea: Brewed green tea typically contains more caffeine than hot cocoa, with an 8 oz serving containing around 30–50 mg of caffeine. D. Cola soft drink: Cola soft drinks typically contain more caffeine than hot cocoa, with an 8 oz serving containing about 24–46 mg of caffeine.