Multiple choice

Amit noticed his bluish colour of the skin and mucous membranes and went to the doctor. The doctor told him that it was a cyanosis, which indicates the blood to have

  1. high carbon dioxide concentration

  2. high carbon monoxide concentration

  3. high 2, 3-diphosphoglycerate concentration

  4. low hemoglobin concentration
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

When the hemoglobin level is slightly below normal in an individual,  then the feeling of tiredness, headache, dizziness, fatigue and lack of concentration are common. Physically, the visible signs are pale skin with bluish colour of the skin and mucous membranes, nail beds and gums.

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