The Bacterium Staphylococcus Aureus Is Commonly Found in the Nasal

question 62

Multiple Choice

The bacterium Staphylococcus aureus is commonly found in the nasal cavity of healthy people. If inhaled into the lungs, however, it may cause pneumonia. Staphylococcus aureus is best described as

• A) a parasite.
• B) resident microbiota.
• C) a mutualist symbiotic partner.
• D) transient microbiota.
• E) both resident microbiota and opportunistic pathogen.

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Definitions:

Marginal Utility

The extra pleasure or benefit gained by a consumer from consuming an additional unit of a product or service.

Marginal Utility

The additional satisfaction or utility gained from consuming an extra unit of a good or service.

Water-Diamond Paradox

A concept in economics that questions why diamonds are more expensive than water despite water being essential for survival and diamonds not.

Marginal Utility

The additional satisfaction or benefit received from consuming one more unit of a good or service.