左心功能不全呼吸困难产生的最主要因素是（） A.肺泡张力增高，反射兴奋呼吸中枢 B.

国际抗癌联盟制定的恶性肿瘤TNM国际分期法中，T是指

A．发生肿瘤的时间

B．发生肿瘤的组织

C．原发肿瘤的大小

D．远处转移的状况

E．区域淋巴结状况

医师进行实验性临床医疗，应当（）

A.征得本人同意

B.经医院批准

C.征得患者本人或者其家属同意

D.经医院批准并征得患者本人或者其家属同意

E.经医院批准或者征得患者本人及家属同意

精车外圆造成表面上有混乱波纹(振纹)缺陷与机床哪些因素有关

几乎所有工作人员长期暴露此环境中都不会产生不利影响的某种有毒物质在空气中的最大质量浓度成为（）。

A.阈限值

B.安全临界浓度

C.危险临界浓度

D.即使危险的浓度

A 33-year-old male client is admitted with an exacerbation of ulcerative colitis. The nurse is performing an admission assessment and assessing the teaching needs regarding appropriate diet and lifestyle modifications for the client. To develop an effective teaching plan, the nurse must solicit which of the following input from the client（）

A. Details about his childhood phobias.

B. His feelings, beliefs, and attitudes about his chronic illness.

C. Information about his financial status.

D. Information about his relationship with his wife.