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Simple Questions Gas Transport in the Blood
Your Answer
Correct Answer
1.Almost all the oxygen (over 98%) that blood transports combines with the protein hemoglobin in red blood cells.
True
False
2.One red blood cell can carry a maximum of 4 oxygen molecules.
True
False
3. Oxygen attaches specifically to the iron atoms found in hemoglobin.
True
False
4. Approximately 2% of the oxygen in the blood is carried by the leukocytes.
True
False
5. The majority of carbon dioxide in the blood is carried by erythrocytes.
True
False
6. The most important carbon dioxide transport mechanism involves the formation of bicarbonate ions.
True
False
7. Carbonic anhydrase is a cellular enzyme that speeds the reaction between carbon dioxide and water, which then forms carbonic acid.
True
False
8. Carbonic acid frequently dissociates to form hydrogen ions and bicarbonate ions.
True
False
9. Bicarbonate ions quickly attach to platelets after they are formed.
True
False
10. Some carbon dioxide will be directly dissolved in the plasma.
True
False
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Last modified on November 14, 2005
