下列关于损失概率的说法正确的是()。
A.损失平均值
B.有关损失发生规律性的描述
C.一般有空间性说法和时间性说法两种
D.损失期望值
参考答案:C
柯尔伯格研究道德发展的主要方法是()。
A.自然观察法
B.实验室实验法
C.两难故事法
D.对偶故事法
The nurse is caring for a client who underwent a lumbar laminectomy 2 days ago. Which of the following findings should the nurse consider abnormal ?()
A.More back pain than the first postoperative day.
B.Paresthesia in the dermatomes near the wounds.
C.Urinary retention or incontinence.
D.Temperature of 99.2°F(37.3℃).