Mucus Occurs in Both the Respiratory and Digestive Tracts

question 22

Multiple Choice

Mucus occurs in both the respiratory and digestive tracts. Which answer best describes the main immunological function of mucus?

• A) to sweep away debris
• B) to physically trap pathogens
• C) to destroy pathogens (because mucus is acidic)
• D) to increase oxygen absorption

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Definitions:

Frames

A structure for organizing or enclosing something, often used metaphorically to describe conceptual boundaries or perspectives.

Preferences

Individual likings or choices among various options or alternatives.

Hindsight Bias

The tendency to believe, after an event has occurred, that one would have predicted or expected the outcome, often referred to as the "I knew it all along" phenomenon.

Representativeness Heuristic

A cognitive shortcut where the likelihood of an object belonging to a category is judged based on how typical the object appears to be of that category.