Which instruction(s) is/are most pertinent to include in the discharge teaching of a patient on lithium (Eskalith) who is being discharged? a) "Maintain a consistent sodium intake in your diet." b) "Limit your fluid intake to prevent dehydration." c) "Avoid nonsteroidal anti-inflammatory drugs (NSAIDs)." d) "Consume a diet high in caffeine to enhance lithium absorption."