Correct Answer: A

Rationale: The correct answer is to expect to feel drowsy. Clonidine is known to cause drowsiness, especially at the beginning of treatment. It is important for clients to be cautious with activities that require alertness until they understand how the medication affects them.

Correct Answer: C

Rationale: Liver failure impairs metabolism, leading to increased medication concentrations. To prevent adverse effects, lower dosages are required when liver function is compromised.

Correct Answer: A

Rationale: The correct answer is A. Grapefruit juice can increase blood levels of verapamil, leading to increased effects and potentially serious side effects such as hypotension or bradycardia. It is crucial for the client to avoid grapefruit juice while taking Verapamil to prevent these adverse reactions.

Correct Answer: C

Rationale: Ondansetron can cause tremors as an adverse effect. Monitoring for tremors is essential as it can indicate a potential adverse reaction to the medication and prompt intervention is necessary to ensure the client's safety and comfort.

Correct Answer: C

Rationale: Valproate belongs to the therapeutic class of anticonvulsants. It is primarily used to manage seizures but is also effective in treating vascular headaches. Therefore, it is not classified as an anticoagulant, antianxiety medication, or mood stabilizer.