Aificial bruise is commonly seen in which of the following irritant poison: (A) Strychnos nux vomica, (B) Semicarpus anacardium, (C) Abrus precatorius, (D) Capsicum annum
Answer is B. Aificial bruise: 1. Cause: Juice of Semicarpus anacardium (marking nut tree), Calotropis or Plumbago rosea 2. Color: Dark brown 3. Shape: Irregular 4. Site: Exposed accessible pas 5. Margins: Well-defined and regular, covered with small vesicles 6. Redness and inflammation: Seen in surrounding skin 7. Itching: Present 8. Vesicles: May be found on fingeips due to scratching 9. Contents: Acrid serum 10. Chemical tests: Positive for the chemical