Which Statement Is Correct About How Carbon Dioxide Is Carried

question 41

Multiple Choice

Which statement is correct about how carbon dioxide is carried in the bloodstream?

• A)Carbon dioxide enters the bloodstream from the tissues.It then combines with hemoglobin to form carbaminohemoglobin but most of it is carried in the form of bicarbonate.
• B)Carbon dioxide enters the bloodstream from the atmosphere.It then combines with hemoglobin to form carbaminohemoglobin but most of it is carried in the form of bicarbonate.
• C)Carbon dioxide enters the bloodstream from the tissues.It then combines with hydrogen ions to form bicarbonate ion but most of it is carried in the form of carbaminohemoglobin.
• D)Carbon dioxide enters the bloodstream from the tissues.It then combines with hemoglobin to form bicarbonate ion but most of it is carried in the form of carbaminohemoglobin in the bloodstream.
• E)Carbon dioxide enters the bloodstream from the atmosphere.It then combines with water to form carbonic acid but most of it is carried in the form of bicarbonate.

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