Question

Chronic arsenic poisoning causes
(a) Itai-itai diseases
(b) Foot and mouth diseases
(c) Blue baby syndrome
(d) Black foot diseases

Answer 1

Hint: It's a singular peripheral arterial disease characterized by severe systemic arteriosclerosis also as cold gangrene and spontaneous amputations of affected extremities at end stages. The most effective preventive measure is the supply of drinking water low in arsenic concentration.

Complete answer:
Drinking water rich in arsenic over an extended period results in arsenic poisoning or arsenicosis. In China (territory of Taiwan) introduction to arsenic by means of drinking-water has appeared to cause a serious infection of the veins, which brings about gangrene, alluded to as dark foot malady.

Additional information: Blackfoot disease affects the peripheral vascular system. It is endemic in nature. It is identified with the utilization of inorganic arsenic from the artesian wells. Arsenicosis is brought about by presentation over a time of your opportunity to arsenic in the beverage. Arsenic tainting in water can likewise spill out of mechanical cycles, similar to those engaged with mining, metal refining, and lumber treatment. WHO's rule: an incentive for arsenic in drinking water is 0.01 mg/liter.
Blackfoot disease, a singular peripheral arterial disease characterized by severe systemic arteriosclerosis, also as cold gangrene and spontaneous amputations of affected extremities and end stages, has been well documented as a characteristic vascular disease related to long-term arsenic exposure.
So the correct answer is ‘(d) Black foot diseases’.

Note: Diagnostic criteria for the Blackfoot disease include objective signs of ischemia (i.e. non appearance or decrease of blood vessel throbs, paleness on height, or rubor on the reliance of ischemic limits) and different degrees of ischemic changes inside the skin, likewise as emotional indications of ischemia (i.e. intermittent claudication, pain at rest, and ischemic neuropathy).