A Microbiologist Is Trying to Isolate a Pathogen Expected to Be

question 67

Multiple Choice

A microbiologist is trying to isolate a pathogen expected to be present in very small numbers from a stool specimen in which there are abundant normal microbiota.Which strategy would most likely accomplish this purpose?

• A)Culture on enriched media
• B)Enrichment culture followed by culture on selective agar
• C)Culture on differential media
• D)Culture in an anaerobe jar

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Definitions:

Introspection

The examination of one’s own mental and emotional processes, reflecting on thoughts, feelings, and motives.

Conscious Experience

The subjective state of being aware of one’s thoughts, feelings, and surroundings, often explored in psychology and philosophy.

Unconscious Wishes

Desires and thoughts that reside in the unconscious mind, influencing behavior and feelings without one's awareness.

Skinner Box

An experimental apparatus developed by B.F. Skinner for studying animal behavior through operant conditioning.