Correct Answer: D

Rationale: Asking 'why' questions is not considered a therapeutic technique in patient-centered communication as it can make patients feel defensive or judged. 'Why' questions may imply criticism or put the patient on the spot, potentially hindering open and honest communication. Instead, focusing on open-ended questions that encourage patients to express their feelings and thoughts without feeling judged or interrogated is more conducive to therapeutic communication.

Correct Answer: C

Rationale: During the maintenance therapy stage for bipolar I disorder, it is common to lower the dosage of lithium to prevent side effects while still maintaining stability. Lowering the dosage helps to find the lowest effective dose that can still manage symptoms effectively with minimal side effects.

Correct Answer: D

Rationale: The scenario describes Gilbert as having an early and slow onset of schizophrenia, which typically indicates a less positive prognosis. Individuals with such presentations may experience more severe symptoms and difficulties in functioning, leading to a poorer long-term outcome. In Gilbert's case, his challenges with completing tasks, social withdrawal, and fixation on security measures suggest a more challenging prognosis. Early detection and intervention are crucial in managing schizophrenia, but the described symptoms and onset pattern are concerning for a less favorable outcome.

Correct Answer: A

Rationale: Lithium is known to cause polyuria (excessive urination) and polydipsia (excessive thirst), which can lead to fluid and electrolyte imbalances. Therefore, patients receiving lithium should be carefully monitored for signs of fluid and electrolyte disturbances to prevent any potential complications.

Correct Answer: C

Rationale: Using the technique of making observations is an effective method of managing silence when communicating with a withdrawn patient who has major depression. This approach can encourage the patient to engage and feel understood without the pressure to respond, fostering a therapeutic connection and helping the patient open up at their own pace.