Autopsy and Gross Pathology · USMLE Step 1

What is the significance of postmortem changes such as rigor mortis, livor mortis, and algor mortis during a forensic autopsy?

  1. They confirm the cause of death
  2. They help estimate the time since death
  3. They identify the perpetrator involved
  4. They classify the manner of death
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Correct answer: They help estimate the time since death

The classic early postmortem changes help estimate the post-mortem interval (time since death), which is often critical in forensic investigations.

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