Asked in PMC Practice Test 16 (2021) 2021Moderate

Most Carbondioxide is transported in the form of:

Correct answer: C. Bicarbonate ions

  • A. Carboxyhemoglobin
  • B. Plasma proteins
  • C. Bicarbonate ions
  • D. In dissolved form

Explanation

70% of carbon dioxide is transported in the blood as bicarbonate ions, 23% as carboxyhemoglobin and 7% in water of plasma.

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