護理師評估一位邊緣性人格疾患（BPD）的個案，何者為最具代表性的臨床發現？
A nurse is assessing a client with borderline personality disorder. What is the most characteristic clinical finding?
- AUnstable identity and fear of abandonment✓ 正解不穩定的自我認同與對被遺棄的恐懼
- BGrandiosity and need for constant admiration自大與需要持續的讚美
- CCallous disregard for the rights of others對他人權利漠不關心
- DStable interpersonal relationships穩定的人際關係
邊緣性人格疾患（Borderline personality disorder, BPD）的核心病理是情緒調節障礙。臨床上最具代表性的特徵是極度不穩定的人際關係、自我形象混亂以及對於「被遺棄（Abandonment）」的強烈恐懼。這類病患常表現出在將他人理想化與貶低之間劇烈擺動（Splitting），並伴隨衝動行為，如自傷或自殺意念。診斷 BPD 時，這些特徵的持續性與嚴重度是診斷關鍵。
The core pathology of borderline personality disorder (BPD) is emotional dysregulation. The most representative clinical features are extremely unstable interpersonal relationships, identity disturbance, and an intense fear of abandonment. These clients often demonstrate marked swings between idealization and devaluation of others (splitting), accompanied by impulsive behaviors such as self-harm or suicidal ideation. When diagnosing BPD, the persistence and severity of these features are essential to the diagnosis.