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The possible reason(s) for cyanosis, one of congenital heart disease is:

Correct answer: A. Formation of carboxy-hemoglobin

  • A. Formation of carboxy-hemoglobin
  • B. The high concentration of oxyhemoglobin
  • C. Low level of CO
  • D. Low level of hemoglobin

Explanation

Cyanosis indicates there may be decreased oxygen attached to red blood cells in the bloodstream such as due to the formation of carboxy-hemoglobin. Carbon Monoxide has a higher affinity with hemoglobin and it doesn't allow oxygen to bind to Hb molecules

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