A Disproportionate Number of Viral Infections Occur in the Respiratory

question 5

Multiple Choice

A disproportionate number of viral infections occur in the respiratory and digestive systems; how might this be explained?

• A) New viral particles can be easily released in feces or exhaled air.
• B) The lung, stomach, and intestinal tract can be easily reached when the virus contacts a new host.
• C) The immune response may be less vigorous or effective in these locations.
• D) Viruses can reproduce in these systems without infecting host cells.

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Definitions:

Opportunity Cost

represents the value of the best alternative foregone as a result of making a particular choice.

Accounting Costs

Represent the explicit costs or direct financial expenditures associated with the operations of a business.

Monetary Costs

The financial expenses incurred in the acquisition of goods, services, or assets, measured in units of currency.

Opportunity Cost

The loss of potential gain from other alternatives when one alternative is chosen.