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AIIMS 2005
Exam
AIIMS
Year
2005
Subject
Zoology
Chapter
Body Fluids and Circulation

AIIMS 2005 · Zoology · Body Fluids and Circulation

Formation of non-functional methaemoglobin causes blue-baby...

Formation of non-functional methaemoglobin causes blue-baby syndrome. This is due to

Options

  1. Aexcess of arsenic concentration in drinking water
  2. Bexcess of nitrates in drinking water
  3. Cdeficiency of iron in food
  4. Dincreased methane content in the atmosphere.

Correct answer

B. excess of nitrates in drinking water

Step-by-step solution

Blue baby syndrome is blood related condition found in babies due to nitrate poisoning (poisoning limits blood's ability to carry oxygen thereby causing baby to look blue); known as metheamoglobanemia. This is a serious illness in infants which is caused when nitrate is converted into nitrite in the infant's body. Nitrite interferes with the oxygen carrying capacity of the child's blood (It replaces the oxygen on the red blood cells). This is an acute disease in that symptoms can develop rapidly in infants.
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