Blue baby syndrome is caused by an excess of nitrate in water.

Here's a step-by-step explanation:

1. When there is an excess of nitrate in water, it can be ingested by infants, usually through contaminated well water.

2. The body converts nitrate into nitrite.

3. Nitrite then reacts with the hemoglobin in the baby's blood to form methemoglobin.

4. Methemoglobin is a form of hemoglobin that does not bind oxygen well.

5. As a result, the baby's tissues do not receive enough oxygen, leading to a blue or purple tint to the skin, lips, and nail beds, a condition known as methemoglobinemia or "blue baby syndrome".

So, the correct answer is "Excess of nitrate in water".

Question

Blue baby syndrome is caused by an excess of nitrate in water.

Here's a step-by-step explanation:

1. When there is an excess of nitrate in water, it can be ingested by infants, usually through contaminated well water.

2. The body converts nitrate into nitrite.

3. Nitrite then reacts with the hemoglobin in the baby's blood to form methemoglobin.

4. Methemoglobin is a form of hemoglobin that does not bind oxygen well.

5. As a result, the baby's tissues do not receive enough oxygen, leading to a blue or purple tint to the skin, lips, and nail beds, a condition known as methemoglobinemia or "blue baby syndrome".

So, the correct answer is "Excess of nitrate in water".

Knowee AI · Accepted Answer

Blue baby syndrome is caused by an excess of nitrate in water.

Here's a step-by-step explanation:

1. When there is an excess of nitrate in water, it can be ingested by infants, usually through contaminated well water.

2. The body converts nitrate into nitrite.

3. Nitrite then reacts with the hemoglobin in the baby's blood to form methemoglobin.

4. Methemoglobin is a form of hemoglobin that does not bind oxygen well.

5. As a result, the baby's tissues do not receive enough oxygen, leading to a blue or purple tint to the skin, lips, and nail beds, a condition known as methemoglobinemia or "blue baby syndrome".

So, the correct answer is "Excess of nitrate in water".

Formation of nonfunctional methaemoglobin causes blue baby syndrome. This is due to*2 pointsExcess of arsenic in waterExcess of nitrate in waterExcess of mercury in waterExcess of cadmium in water

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