设备从开始使用直到由于有形磨损等原因造成不能继续使用为止所经历的整个时间称为（）。

A.自然寿命

B.经济寿命

C.技术寿命

D.疲劳寿命

A client diagnosed with schizoaffective disorder is suffering from schizophrenia with elements of which of the following disorders()

A. Thought disorder.

B. Amnestic disorder.

C. Personality disorder.

D. Mood disorder.