Physiology – MCQ 61 – CO2 transport in blood

Collection of Medicine MCQs (Cardiovascular system) for medical students. Concept based MCQs with detailed explanations which help students to gain valuable insights and gain an edge in competitive examinations. More than just answering MCQs, the explanations will improve the knowledge and understanding about the conditions discussed. Also useful for MD students who are preparing for Superspeciality entrance examinations. Medicine MCQs - Cardiovascular System Kindle Edition: Click Here for a Preview. Comments and suggestions are most welcome.

CO2 is primarily transported in the arterial blood as:
A. Dissolved CO2
B. Carbonic Acid
C. Carbaminohemoglobin
D. Bicarbonate

Correct answer : D. Bicarbonate

CO2 transport in blood

  • Bicarbonate – 70%
  • Carbaminohemoglobin – 23%
  • Dissolved CO2 – 7%

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