Chronic arsenic poisoning causes -a) Pure sensory neuropathyb) Pure motor neuropathyc) Mixed sensory and motor neuropathyd) Painful neuropathye) Hyperkeratosis of skin: (A) abd, (B) acd, (C) bde, (D) cde
Answer is D. Arsenic causes mixed (sensory and motor) neuropathy and hyperkeratosis of palm and sole.
Neuropathy may cause painful paresthesia (i.e. painful neuropathy).