Identification of the Causative Microbe for a Diarrheal Infection Often

question 58

Multiple Choice

Identification of the causative microbe for a diarrheal infection often requires a stool culture.The best medium for this purpose is

• A)a medium containing a broad-spectrum antibiotic as a selective agent.
• B)a general purpose medium that supports the growth of the diverse gut microbiota.
• C)a medium containing bile as a selective agent.
• D)a medium containing mammalian blood to provide extra growth factors.
• E)a liquid medium, as the diarrhea conditions are more liquid than solid.

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Definitions:

Marginal Product

The additional output that results from using one more unit of a particular input, while holding other inputs constant.

Average Product

The output produced per unit of input, calculated by dividing total output by the number of units of a specific input.

Marginal Product

The boost in output stemming from an increment in input by one unit.

Wage

The payment received by workers for their labor, typically expressed as an amount per hour or per year.