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20.  A reliable test for distinguishing Staphylococcus aureus from other staphylococci is    oxidase   coagluase  catalase   optochin susceptiblity 

Legionnaire’s disease is primarily a ___ infection.

2. Which of the following sugars is NOT included in TSI medium?

8.Upon review of a sputum Gram’s stain, the CLT notes that the nuclei of all of the neutrophils present in the smear are staining dark blue.  The best explanation for this finding is:   The slide was inadequately decolorized with acetone/alcohol. The sputum smear was prepared too thin. The cellular components have stained as expected. The iodine was omitted from the staining procedure.

19. Beta-hemolytic streptococci, not of group A or B, usually exhibit which of the following reactions?                                                                         Trimethoprim-                         Bacitracin                               sulfamethoxazole susceptible                               resistant      resistant                                   resistant       resistant                                   susceptible        susceptible                               indeterminant

20.  A reliable test for distinguishing Staphylococcus aureus from other staphylococci is    oxidase   coagluase  catalase   optochin susceptiblity 

The organism that causes the pneumonic/ bubonic plague is _________.

47. The most common normal flora organisms of the upper respiratory tract are _____. 1. Lactobacillus species 2. Staphylococcus aureus 3. Propionibacterium species 4. Viridans streptococci

 Which species of Shigella is most commonly associated with diarrheal disease in the United States?

3. After inoculation, a TSI tube has a yellow butt and red slant.  This indicates that the organism fermented _____.