第一章测试1.The mouth can act, on occasions, as a reservoir for which of the following pathogens: ( )A:Respiratory pathogensB:Pseudomonas aeruginosaC:Helicobacter pyloriD:ABC答
During the common process of carious plaque formation, acids produced by S. mutans attracted a lot of allies assembled, which include: C. albicans, Neisseria, Lactobacillus and Bifidobacterium, Scardovia, and so on. ( )
1. Lactobacilli is identified as Cariogenic bacteria due to induce the tooth demineralization in enamel and dentin. ( )A:正确B:错误答案:错误2. The relationship between human and microorganisms i