How Is the Bulk of Carbon Dioxide Transported in Blood

question 120

Multiple Choice

How is the bulk of carbon dioxide transported in blood?

• A) as carbonic acid in the plasma
• B) as bicarbonate ions in plasma after first entering the red blood cells
• C) chemically combined with the heme portion of hemoglobin
• D) chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the red blood cells

---

Definitions:

Loess

A fine, wind-deposited sediment that forms fertile soil, typically found in prairie regions.

Glaciers

Large masses of ice on land that move slowly over time, formed by the accumulation and compaction of snow, significantly influencing landscapes through erosion and deposition.

Glaciers

Large, slow-moving masses of ice formed from compacted layers of snow, which move under their weight and shape the land beneath.

Cirque

A bowl-shaped, steep-walled mountain basin carved by glaciation, often containing a small lake.