How is most of the carbon dioxide transported by the blood in humans?

A) bicarbonate ions in the plasma
B) CO2 attached to hemoglobin
C) carbonic acid in the erythrocytes
D) CO2 dissolved in the plasma
E) bicarbonate attached to hemoglobin


Answer: A) bicarbonate ions in the plasma

Anatomy & Physiology

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The internal anatomy of the brain has which structure?

A) White matter only B) White matter surrounded by gray matter C) Gray matter surrounded by white matter D) Gray matter only

Anatomy & Physiology

A condition caused by prolonged repetitive motions of the wrist and fingers is called carpal ________ syndrome.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which joint is a ball-and-socket joint?

A) Atlanto-axial B) Dentoalveolar C) Glenohumeral D) Intervertebral

Anatomy & Physiology

The average functional lifespan of an RBC is ________

A) 20-30 days B) 50-75 days C) 100-120 days D) one year E) the body's lifetime

Anatomy & Physiology