A nurse is providing teaching to a client who has rheumatoid arthritis and is starting to take hydroxychloroquine.Which of the following client statements indicates an understanding of the teaching?

Choice A rationaleCrushing hydroxychloroquine can alter its release and absorption, leading to reduced efficacy and increased risk of adverse effects. The medication should be taken whole to ensure proper therapeutic effect.Choice B rationaleDiscontinuing hydroxychloroquine when symptoms subside can result in disease relapse and progression. The medication is usually taken long-term to maintain control of rheumatoid arthritis symptoms.Choice C rationaleHydroxychloroquine can cause retinal toxicity, so regular eye exams are essential to detect early changes and prevent irreversible vision loss. Monitoring helps ensure the medication's safety and effectiveness.Choice D rationaleTaking a double dose of hydroxychloroquine increases the risk of toxicity, including gastrointestinal disturbances and retinal damage. It is important to follow the prescribed dosing schedule to avoid adverse effects.