Each of the Following Factors Affects the Rate of External

question 22

Multiple Choice

Each of the following factors affects the rate of external respiration except the

• A)PO₂ of the alveoli.
• B)PCO₂ of the blood.
• C)thickness of the respiratory membrane.
• D)PN₂ of the alveoli.
• E)solubility of oxygen in plasma.

---

Definitions:

Ratio Scale

A scale of measurement that has a true zero point and equal distances between adjacent units, allowing for meaningful comparison of ratios of scale values.

Variable

A characteristic, number, or quantity that can be measured or quantified and can vary among subjects being observed.

Height

The measurement of an object or person from base to top.

Example

A representative part or a single item from a larger whole or group, especially when used to illustrate or explain a topic.