If Tissue Oxygen Demand Increases and Respiratory Rate and Tidal

question 12

Multiple Choice

If tissue oxygen demand increases and respiratory rate and tidal volume remain the same,what happens?

• A)Alveolar PO₂ increases; blood and tissue PCO₂ decreases.
• B)Alveolar PO₂ decreases; blood and tissue PCO₂ decreases.
• C)Alveolar PO₂ increases; blood and tissue PCO₂ increases.

---

Definitions:

Continental Interior

Areas far from the coastline, often characterized by unique climatic and ecological conditions due to their distance from the moderating influence of large bodies of water.

Seasonal Drought

A period of below-average precipitation in a given region, resulting in prolonged shortages of water supply, often depending on the season.

Monsoon

Wind that reverses direction seasonally.

Chaparral

Biome of dry shrubland in regions with hot, dry summers and cool, rainy winters.