Supplemental Quiz

1. What characteristics of the bacteria discussed in this chapter prevent their inclusion in the two previous chapters? Why are these bacteria often referred to as atypical with respect to their staining with Gram's reagents?

2. Compare and contrast the diseases caused by Treponema pallidum and Rickettsia rickettsii. How are the patient symptoms similar? Different? What should be your approach in identifying the true cause of each infection? What are the special laboratory precautions and procedures to consider when attempting their isolation and identification?

3. Explain why Chlamydia is referred to as "the silent cause of infertility."

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