Microbiology

Microbiology Study Guide

30. Atmospheric O2 kills ______________. a. Aerobes b. Facultative anaerobe c. Obligate anaerobe d. Aerotolerant anaerobe 31. Latent viruses are present in cells as ________________. a.

Prophages b. Proviruses c. Capsids d. Enzymes 32. Biochemical oxygen demand (BOD) is a measure of the amount of organic matter present in a water sample. a. True b. False 33. What is the correct order of the most effective to the least effective antimicrobial activity? 1 – Soap 2 – Anionic detergent 3 – Cationic detergent a.

1, 2, 3 b. 3, 1, 2 c. 3, 2, 1 d. 2, 1, 3 34. Which of the following is the scientific name? a. Streptococcus pyogenes 35. At what point is clinical AIDS diagnosed? a. When the CD4 T-cell count is <200/mm b. When HIV is found in the patient by Western blotting c. When the patient has antibodies against HIV d. None of the above Group b. Order c. Streptococci d.

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