Question

multiple choice question
culturing pathogens that are present in low numbers is a good application for ______ media.

○ assay
○ transport
○ defined
○ enriched

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Explanation:

To solve this, we analyze each option:

• Assay media is for detecting/measuring, not culturing low - number pathogens.
• Transport media is for transporting, not enriching/culturing.
• Defined media has known components, not for enriching rare pathogens.
• Enriched media contains nutrients to support the growth of fastidious (including low - number) pathogens, making it suitable for culturing low - number pathogens.

Answer:

D. enriched