Question

Match List-I with List-II.

List-I (Toxic Element)	List-II (Effect of toxicity on Animal)
(A) Fluoride	(I) Abdominal pain and diarrhea can be common clinical signs in animals exposed.
(B) Arsenic	(II) Short-term exposure may include nausea, vomiting, diarrhea, increase in blood pressure or heart rate, skin rashes and eye irritation.
(C) Lead	(III) Cattle can show clinical signs of depression, weakness and ataxia with postmortem findings of gastroenteritis and degenerative changes in the renal tubular epithelium.
(D) Mercury	(IV) Abdominal pain or colic, vomiting, a staggering gait and weakness, incoordination, rapid weak pulse and shock, diarrhea, followed by collapse and death.

Choose the correct answer from the options given below.

• (A) - (IV), (B) - (II), (C) - (I), (D) - (III)
• (A) - (II), (B) - (I), (C) - (IV), (D) - (III)
• (A) - (III), (B) - (IV), (C) - (I), (D) - (II)
• (A) - (I), (B) - (III), (C) - (II), (D) - (IV)

Hint:

Match the classic toxic syndrome of each element to its description, arsenic gives the most severe shock like picture.

Answer 1

The Correct Option is C

Work from the most specific description first. The picture of severe colic, a staggering gait, weak rapid pulse with shock, diarrhea and death is the standard textbook description of acute Arsenic poisoning, so (B) links to (IV). Mercury exposure is well known for producing nausea, vomiting, diarrhea, raised blood pressure or heart rate, skin rash and eye irritation on short exposure, which fixes (D) to (II). What remains for Fluoride is the description with depression, weakness, ataxia, gastroenteritis and renal tubular damage, giving (A) to (III). By elimination, Lead is left with the plain description of abdominal pain and diarrhea, giving (C) to (I). $\boxed{(A)-(III), (B)-(IV), (C)-(I), (D)-(II)}$