Why Is the Actual Flow of Air into the Alveoli

question 26

Multiple Choice

Why is the actual flow of air into the alveoli during inspiration passive?

• A) because there is a continuous column of air from the pharynx to the alveoli
• B) because the lungs are surrounded by the thoracic wall
• C) because the alveoli have a very large surface area
• D) because the intercostal muscles are involved
• E) because the diaphragm is involved

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Definitions:

Significance Level

A threshold within which the results of a statistical test are deemed statistically significant, often denoted as alpha (α), with common values like 0.05 or 0.01.

Critical Value

A location within the test distribution measured against the test statistic to determine the rejection of the null hypothesis.

Regression Slope Coefficient

A measure in regression analysis that quantifies the change in the dependent variable for a one unit change in an independent variable.

Confidence Interval

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter with a certain level of confidence.