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Heavy Metal Poisoning

Presence of f...

Question

Presence of fluoride in water greater than permissible level of 1.5 mg/L causes

A

methemoglobinemia

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B

hepatitis

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C

dental fluorosis

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D

cardiovascular disease

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Solution

The correct option is C dental fluorosis
The permissible limit for flouride in water is 1-1.5 mg/litre.

If flouride < 1 mg/litre, it causes dental cavities.

If flouride > 1.5 mg/litre, it causes dental flourosis or mottling of teeth.

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