The urine sample of a patient has been sent to the laboratory to look for Leptospira. The specimen is to be screened by use of the__________________?
Correct answer: C. Dark ground microscope
- A. Scanning microscope
- B. Inverted microscope
- C. Dark ground microscope
- D. Electron microscope
Explanation
Leptospira are very thin, motile spirochaetes and are difficult to see by ordinary light microscopy, so urine can be examined by dark-ground microscopy. The dark background makes the unstained organisms visible by reflected light.
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