A Disproportionate Number of Viral Infections Occur in the Respiratory

question 67

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)All of the above are reasonable hypotheses.

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Definitions:

Rollback Technique

A method used in recovery and error-checking that involves reverting a system or process to a previous safe state.

Decision Tree

A graphical representation used in decision analysis to visually and explicitly represent decisions and decision making.

Revised Probability

An updated chance or likelihood of an event occurring after taking into consideration new evidence or information.

Prior Probability

The probability of an event or hypothesis before new evidence or data is taken into account.