第一章测试1.The mouth can act, on occasions, as a reservoir for which of the following pathogens: （ ）
A:Pseudomonas aeruginosa B:Respiratory pathogens C:Helicobacter pylori D:ABC
答案:D
2.Which of the following plays a role in the development of caries disease? （ ）
A:Mutans group B:Anginosus group C:Lactobacilli D:Salivarius group
答案:C
3.Dental diseases can be a risk factor for which of the following systemic diseases? （ ）
A:Cardiovascular disease B:Diabetes C:None of the above D:Inhalational pneumonia
答案:ABD
4.Gram-positive bacterium is sensitive to （ ）
A:penicillin B:polymyxin C:clindamycin D:vancomycin
答案:ACD
5.16S rRNA gene is the suitable genetic target for identification of oral bacteria. （ ）
A:对 B:错
答案:A
6.Dietary sugars is not a ‘non-immunological’ factor responsible for the breakdown of microbial homeostasis in dental plaque?（ ）
A:对 B:错
答案:B
