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Aldrich-Mees Lines are observed in subacute poisoning due to which of the following ?

  • A.Antimony
  • B.Nickel
  • C.Arsenic
  • D.Manganese

Answer: C

Aldrich-Mees lines are seen in subacute poisoning by arsenic.

Mees' lines are transverse white bands across the nails, appearing a few weeks after exposure as the nail grows out. They are a classic sign of subacute or chronic arsenic poisoning, along with raindrop pigmentation of the skin, hyperkeratosis of the palms and soles, and peripheral neuropathy. The position of the band along the nail can help estimate when the exposure occurred.

Thallium poisoning can produce similar lines, but none of the other listed metals is the classic cause. Antimony resembles arsenic in some respects, and manganese and nickel cause different syndromes.

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