Microbiology Demystified

249

Final Exam

1. What microorganisms can be harmed by oxygen?
   (a) Obligate aerobes
   (b) Facultative anaerobes
   (c) Obligate anaerobes
   (d) Free radicals


2. An inoculating loop is used to insert a pathogen into the patient's mouth.
   (a) True
   (b) False


3. Which microorganisms can use oxygen when present and continue to
   grow without it?
   (a) Obligate aerobes
   (b) Facultative anaerobes
   (c) Obligate anaerobes
   (d) Free radicals


4. Facultative anaerobes require oxygen.
   (a) True
   (b) False

c17_betsy_final exam.qxd 5/9/05 6:11 PM Page 249

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