A nurse is providing discharge teaching to a client who has tuberculosis and is taking rifampin. Which of the following statements by the client indicates an understanding of the teaching?

Choice A rationale Jaundice is a serious indicator of hepatotoxicity, a known and potentially severe adverse effect of rifampin. It signifies liver dysfunction and requires immediate medical attention. Therefore, stating that jaundice is harmless demonstrates a critical misunderstanding of the medication's potential risks and the need for prompt reporting to the healthcare provider. Choice B rationale Rifampin is known to cause discoloration of body fluids, including urine, sweat, tears, and saliva, due to its reddish-orange pigment. This discoloration can permanently stain soft contact lenses. Therefore, a client's statement about not wearing soft contact lenses indicates an understanding of this specific and important adverse effect. Choice C rationale Rifampin absorption is reduced when taken with food. To maximize its bioavailability and effectiveness, rifampin should be taken on an empty stomach, typically one hour before or two hours after a meal. Taking it when the stomach is full would decrease its therapeutic efficacy, indicating a misunderstanding of the teaching. Choice D rationale Rifampin is metabolized by the liver, and alcohol consumption also places a significant metabolic burden on the liver. Concurrent use of rifampin and alcohol significantly increases the risk of hepatotoxicity, which can lead to severe liver damage. Therefore, drinking alcohol while on rifampin is strongly contraindicated and shows a lack of understanding. .