下列能产生H2S的细菌是

下列细菌中，H2S阴性的是( )。

A、甲型副伤塞沙门菌

B、乙型副伤寒沙门菌

C、丙型副伤寒沙门菌

D、伤寒沙门菌

E、以上都不对

生化反应为分解葡萄糖产酸产气，乳糖不分解，H2S+，动力+，迅速分解尿素，在下列肠杆菌科细菌中可能的是：

A、大肠埃希菌

B、志贺菌

C、伤寒杆菌

D、乙型副伤寒沙门菌

E、变形杆菌

采用厌氧工艺处理含高浓度硫酸盐废水时，硫酸盐还原菌利用废水中的有机物将硫酸盐还原成H2S，下列表述错误的是( )。

A.硫化物对产甲烷菌具有很强的生物毒性，但未电离的H2S毒性很小

B.可用金属盐沉淀法去除硫化物

C.可调节反应器pH值，以沼气曝气，即气提的方式去除H2S

D.可利用硫细菌将硫化物氧化为单质硫的方法去除硫元素

(案例题干)夏季,一4岁儿童进食后发生恶心、呕吐、腹泻,大便每日10次,呈蛋黄样。此时可能由下列何种细菌引起A.金黄色葡萄球菌

B.宋内志贺菌

C.伤寒沙门菌

D.摩根摩根菌

E.幽门螺杆菌

F.副溶血弧菌

G.霍乱弧菌

该菌的表面抗原有A.O15抗原

B.H抗原

C.Vi抗原

D.M抗原

E.5抗原

F.O23抗原

G.O6抗原

破伤风的临床表现的致病毒素为A.B毒素

B.外毒素

C.溶血毒素

D.痉挛毒素

E.侵袭性酶

F.肉毒毒素

G.A毒素

患者男性,31岁。8天前右脚踩在铁钉上被刺伤,未作创面处理。近日头痛、感张口困难,咀嚼肌紧张酸痛,临床拟诊为破伤风。对该病有诊断意义的检查是A.伤口渗液直接涂片

B.脑脊液检查

C.普通培养

D.厌氧培养

E.血常规

F.X线摄片

如果在患者粪便标本中分离到一种菌,革兰染色阴性;其生化反应如下:氧化酶(＋),脲酶(-),动力(＋),H2S(＋),吲哚(-),则该菌可能为A.福氏志贺菌

B.伤寒沙门菌

C.副伤寒沙门菌

D.鼠伤寒沙门菌

E.副溶血弧菌

F.大肠埃希菌

G.爱德华菌

对患者的治疗措施主要包括A.注射破伤风类毒素

B.注射破伤风抗毒素

C.住隔离病室

D.可间断室外活动

E.避免光、声刺激

F.青霉素治疗

G.甲硝唑治疗

如果是伤风杆菌,送检伤口分泌物培养结果可出现哪些特点A.需氧培养24～48小时易出现呈薄膜状爬行物生长

B.需氧培养不生长

C.厌氧培养24～48小时出现扁平、灰白色、薄膜状边缘不齐的菌落

D.需氧培养24～48小时易出现单个菌落

E.厌氧培养24～48小时可出现β溶血环

F.厌氧培养24～48小时易出现单个菌落

请帮忙给出每个问题的正确答案和分析，谢谢！

根据下列文章,请回答 51～65 题。

Talking to Kids about SARS(非典)

School age children may be learning about SARS from adults and the media，but may not know what to make of the situation。says a national health charity．The Lung Association says parents should take time to talk to their_______(1)and explain the facts about SARS and how to avoid the illness．The following is based on recommendations_______(2)Thursday by the Lung.

Association：

▲Ask your children if they have heard_______ (3)SARS at school。From friends，from TV，etc．Finding out what they already know can be a good_______ (4) to start the conversation and to clear away any wrong ideas they might have about the illness and how it is spread

▲School age children are usually old_______ (5)to understand concepts such as geeing sick from germs(细菌)and how to avoid illness．

A simple reminder(提示)_______(6)to cough on people and to wash their hands often may be sufficient for younger kids．All children should be shown how to_______ (7)their hands properly．

▲Remember to keep it simple S0_______ (8)not to overwhelm children with information。but answer them truthfully．Kids can tell when you‘re not being honest or if you。re hiding somethin9，and sometimes the unknown can be more frightening than the_______ (9)．Parents with anxious children will know _______(10)their kids will handle information on SARS and can tailor their discussion accordingly．

▲ one way to explain the illness is to tell children that SARS is like a bad breathing problem．It is_______ (11)from a cold，but people can catch it in the same ways--such as coughing on someone，not washing your hands or sharing a glass with a sick person．

▲Describe how SARS is spread，but mention that the chance of_______ (12)SARS is small．There is no reason to tell children people are dying of SARS_______ (13)they ask．Never use the threat of death as a way to remind kids to wash their hands．

▲Children should be _______(14)to trust their parents and other caregivers．Explain that many smart people，_______ (15)doctors and scientists，are working OR the problem and looking out for everyone health．

第 51 题

A．families

B．children

C．friends

D．doctors