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:

Expected Utility

A strategy in economics and game theory where individuals choose the option with the highest expected benefit, taking into account all future outcomes.

Risk-neutral

Refers to a mindset or condition where an individual or entity is indifferent to risk when making investment decisions, focusing instead on the potential returns without giving additional weight to the possibility of loss.

Expected Utility

a theory in economics that quantifies how choices are made when outcomes are uncertain, aiming to maximize the expected utility rather than merely the expected monetary value.

Marginal Utility

The additional satisfaction or benefit (utility) a consumer receives from consuming one more unit of a good or service.