Final answer:
The nurse should advise the client to rinse the mouth thoroughly after taking the medication, use a straw to drink the medication, and avoid brushing the teeth immediately after taking the medication.
Step-by-step explanation:
When administering medication that may stain the teeth, the nurse should provide the following accurate explanations to the client:
- Rinse the mouth thoroughly after taking the medication: This helps to remove any residue that may cause staining.
- Use a straw to drink the medication to avoid tooth contact: By using a straw, the medication bypasses direct contact with the teeth.
- Do not brush the teeth immediately after taking the medication: Brushing immediately can actually spread and further stain the teeth. It's best to wait at least 30 minutes before brushing.