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Human Health and Diseases question

2003 · Q45
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Human Health and Diseases question

2003 · Q45

NEETBiologyHuman Health and DiseasesMCQ+4 / −1
Christmas disease is another name for : -
  1. A
    Hepatitis B
  2. B
    Sleeping sickness
  3. C
    Haemophilia B
  4. D
    Down's syndrome
View written solutionFree

Correct answer: C

Haemophilia B, a type of haemophilia is also known as christmas disease. It is due to deficiency of a blood coagulation factor, the christmas factor (factor IX). Christmas was the person (20th century) in whom the factor was first identified. Haemophilia B is a defect of the blood which prevents its clotting.

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