Question

1 The oxygen carrying capacity is reduced by *
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Answer 1

Carboxyhemoglobin (COHb) is a stable complex of carbon monoxide and hemoglobin. It forms in red blood cells upon contact with carbon monoxide (CO). Large quantities of CO hinders the ability of Hb to deliver oxygen to the body.

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Answer 2

Answer:

Carboxyhemoglobin (COHb) is a stable complex of carbon monoxide and hemoglobin. It forms in red blood cells upon contact with carbon monoxide (CO). Large quantities of CO hinders the ability of Hb to deliver oxygen to the body. CO is produced in normal metabolism and is also a common chemical in smoke and industry and vehicular exhaust. Also, tobacco smoking (through carbon monoxide inhalation) raises the blood levels of COHb several times from its normal concentrations.

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