Treponema Pallidum Is the Bacterium That Causes Syphilis

question 54

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 fulfilled 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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Definitions:

Theories

Systematic explanations of phenomena, based on observation, experimentation, and reasoning.

Personality Development

The ongoing evolution and changes in personal characteristics, traits, and behaviors over the course of an individual's life.

Carl Jung

A psychiatrist and psychoanalyst from Switzerland who established the field of analytical psychology and is renowned for his theories on the collective unconscious and archetypes.

Hypotheses

Proposed explanations made on the basis of limited evidence as a starting point for further investigation.