Which of the Choices Below Is Not a Role of the Pleura

question 109

Multiple Choice

Which of the choices below is not a role of the pleura?

• A) allows the lungs to inflate and deflate without friction
• B) helps divide the thoracic cavity into three chambers
• C) helps limit the spread of local infections
• D) aids in blood flow to and from the heart because the heart sits between the lungs

---

Definitions:

Expected Frequencies

The predicted counts of occurrences in each category of a variable, based on a probability model or the distribution of the population.

Level of Education

Refers to the highest degree or stage of formal learning that an individual has completed.

Significant Change

A statistically determined change in data or results that is unlikely to have occurred by chance alone, indicating a meaningful difference or effect.

Proportions

A comparison of a part of a whole in terms of a simple ratio or fraction, often expressed as a percentage.