Treponema Pallidum Is the Bacterium That Causes Syphilis

question 112

Multiple Choice

Treponema pallidum is the bacterium that causes syphilis. The gram-negative spirochete has never been cultured on bacteriological media. Select the statement that most accurately describes this disease-causing microbe.

• A) There is no way to perform an epidemiological study on this disease.
• B) Koch's postulates cannot be ful?lled for this disease.
• C) Because the bacterium cannot be grown, there is no way to characterize the organism as to staining features, biochemical test reactions, molecular testing, etc.
• D) There is no satisfactory way to identify the disease without being able to grow it.

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