The Partial Pressure of Oxygen

question 126

Multiple Choice

The partial pressure of oxygen

• A)in the atmospheric air averages 79 percent of total atmospheric pressure
• B)in blood is the most important factor that determines percent O₂ saturation of Hb
• C)in arterial blood decreases when Hb preferentially combines with CO rather than O₂
• D)is both b and c
• E)is none of the above

---

Definitions:

Well-Year

The equivalent of a year of complete wellness.

Health-Related Problems

Issues or conditions that negatively impact an individual's physical or mental well-being.

Life Expectancy

The average period that an individual is expected to live, based on statistical averages of age, gender, and other factors.

Wellness Behaviors

Actions and habits that contribute to the maintenance or improvement of well-being and health.