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?

Choice A reason: Brewed green tea has 25-40 mg caffeine per 8 oz, from tea leaves’ natural stimulants. It exceeds cocoa, making it a higher-caffeine choice.Choice B reason: Cola soft drinks contain 30-50 mg caffeine per 8 oz, added artificially. This surpasses cocoa’s level, placing it higher in caffeine content.Choice C reason: Hot cocoa has 5-15 mg caffeine per 8 oz, naturally low from cocoa beans. It’s the least caffeinated option among these beverages.Choice D reason: Instant coffee delivers 60-100 mg caffeine per 8 oz, concentrated from coffee grounds. It’s far higher than cocoa, unsuitable for reduction.