Autopsy and Gross Pathology · USMLE Step 1

Which stage of decomposition involves bacterial putrefaction, bloating, skin discoloration and tissue breakdown visible grossly?

  1. Immediate
  2. Early postmortem
  3. Late postmortem
  4. Supravital reactions
Show answer and explanation

Correct answer: Late postmortem

Late postmortem changes include putrefaction (bacterial decomposition), producing gross alterations such as bloating, discolouration, and liquefaction that indicate advanced decomposition.

Difficulty: Medium Question 17 of 20

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