Question:medium

Bluish discoloration of gastric mucosa seen in which poisoning?

Updated On: Jun 23, 2026
  • Mercury
  • Cadmium
  • Amytal sodium
  • Arsenic
Show Solution

The Correct Option is C

Solution and Explanation

Step 1: Frame the problem as colour matching at post-mortem. The examiner wants the toxin that paints the stomach lining blue.
Step 2: The classic blue producers are copper sulphate and barbiturate capsules such as amytal. Among the options, only amytal sodium fits the blue colour.
Step 3: Run through the rest for confirmation. Mercury yields a $slate$-$grey$ mucosa, arsenic deposits $white$ particles, ferrous sulphate turns it green, and cadmium has no signature blue stain.
Step 4: Because no other listed agent produces blue, amytal sodium is uniquely correct.
\[\boxed{Amytal\ sodium}\]
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