Dark ground microscopy is useful to identify______________?
Correct answer: D. Spirochaetes
- A. Mycoplasma
- B. Chlamydiae
- C. Rickettsiae
- D. Spirochaetes
Explanation
Spirochaetes are very thin, flexible bacteria that are difficult to see with ordinary bright-field microscopy but can be visualised by dark-field microscopy. Mycoplasma, Chlamydiae and Rickettsiae generally require other specialised methods.
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