Resident flora is absent from the
A. Pharynx
B. Lungs
C. Small intestine
D. Synovial fluid
E. Conjunctiva
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Dental plaque and periodontal disease can be thought of as acontinuum of what type of physiological process?
A. Biofilm formation
B. Normal aging
C. Abnormal digestion
D. Exaggerated immune response
E. Chewing gum
Replication of which of the following requires integration with a bacterial replicon?
A. Single-stranded DNA bacteriophage
B. Double-stranded DNA bacteriophage
C. Single-stranded RNA bacteriophage
D. Plasmid
E. Transposon
Which of the following is the most resistant to destruction by chemicals and heat？
A. Spores of Aspergillus fumigates
B. Mycobacterium tuberculosis
C. Ebola virus
D. E.coli
E. Spores of Bacillus anthracis
保险利益原则的意义包括()。
A. 防止道德风险的发生
B. 使保险区别与赌博
C. 便于衡量损失赔偿金额
D. 保障保险标的的安全
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