根据接触毒物的时间长短,可将一般毒性作用分为()。 A.长期毒性和短期毒性 B.急性

题型:单项选择题

问题:

根据接触毒物的时间长短,可将一般毒性作用分为()。

A.长期毒性和短期毒性

B.急性毒性、亚慢性毒性和慢性毒性

C.急性毒性和慢性毒性

D.长期毒性、较长期毒性和短期毒性

E.蓄积毒性和非蓄积毒性

考点:卫生毒理(医学高级)卫生毒理学卫生毒理学题库
题型:单项选择题
比9亿多1的数是(  )
A.10亿B.九亿零一C.910000000
题型:单项选择题

患者,女性,46岁。近期出现声音嘶哑。查体,甲状腺左叶可触及一圆形结节约4cm×3cm,边界清楚,随吞咽活动。T3、T4降低,TSH升高,B超示左叶孤立结节伴微钙化边界欠清,血流丰富,FNAC提示 * * 状癌。

该患者被怀疑有双肺转移,131I全身显像影响其转移灶判断的因素不包括()。

A.甲状腺大量残余

B.食用紫菜

C.服用优甲乐

D.服用可卡因

E.尿液污染

题型:单项选择题

Salesperson: The picture tube is the central component of any television, and Picturesque televisions use the same highquality picture tubes as those used in TruVue televisions.
Since you pay a much lower price for a Picturesque, you pay a lower price for a television with the same picture quality when you buy a Picturesque instead of a TruVue.
Which of the following is an assumption that, if justified, would allow the conclusion of the salesperson’s argument to be properly drawn

A.TruVue televisions are much more widely advertised than are Picturesque televisions.

B.The picture quality of a television is determined solely by the quality of its picture tube.

C.A salesperson earns much less on the sale of each Picturesque television than on the sale of each TruVue television.

D.Many more Picturesque televisions are sold each year than TruVue televisions.

E.(E) Picturesque televisions are assembled in the same factory that assembles TruVue televisions.

题型:单项选择题

甲的房屋与乙的房屋相邻。乙把房屋出租给丙居住,并为该房屋在A公司买了火灾保险。某日甲见乙的房屋起火,唯恐大火蔓延自家受损,遂率家人救火,火势得到及时控制,但甲被烧伤住院治疗。下列哪一表述是正确的()

A.甲主观上为避免自家房屋受损,不构成无因管理,应自行承担医疗费用 

B.甲依据无因管理只能向乙主张医疗费赔偿,因乙是房屋所有人 

C.甲依据无因管理只能向丙主张医疗费赔偿,因丙是房屋实际使用人 

D.甲依据无因管理不能向A公司主张医疗费赔偿,因甲欠缺为A公司的利益实施管理的主观意思

题型:单项选择题

某机电安装工程公司承接某综合性设施的通风空调安装工程。在施工准备阶段,该机电安装工程公司制订了施工方法和施工工艺,在制订过程中兼顾了进度控制、质量控制、成本控制三大目标,使得对各工序施工活动的质量得到有效控制。该机电安装工程公司对施工环境也制订了相应的控制措施。

为了不发生进度拖延、影响质量、增加成本的现象,在制订施工方法和施工工艺时应考虑哪些内容?

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