Forensic Medicine: Applied Scenarios and Casework Decision-Making

This medium-level mock moves beyond definitions into applied scenarios — requiring students to interpret findings, distinguish mechanisms, and select the correct forensic action or conclusion in realistic casework situations. Every question is pitched at the application level.

Questions cover: interpreting paradoxical lividity to establish body repositioning, estimating PMI from rigor mortis state at high ambient temperature, distinguishing staged hanging from ligature strangulation from ligature mark features, interpreting ante-mortem burn indicators (soot + CO-Hb) and their limits in fire deaths, estimating PMI from decomposition stage in tropical conditions without entomological data, applying SIDS diagnosis of exclusion in an infant co-sleeping death, assessing subarachnoid haemorrhage during a dispute (natural trigger vs homicide), interpreting multiple stab wounds combined with defence wounds as homicidal assault, applying forensic entomology minimum PMI from third-instar blow fly larvae at 28°C, interpreting organophosphate poisoning autopsy findings (frothy fluid + miosis + toxicology), interpreting lividity in a drowned body and its implications for ante-mortem vs post-mortem submersion, interpreting CO-Hb level (38%) and the deceptive pink skin colour, applying coup-contrecoup pattern to distinguish fall from assault, managing delayed (96-hour) sexual assault examination, investigating inconsistent injuries in a railway death, interpreting healed hymenal notch findings in rape examination, forensic significance of adipocere in exhumation cases, interpreting hyoid fracture in context of clear hanging indicators, interpreting positional asphyxia in an intoxicated alcoholic, assessing non-accidental injury in an infant with healing rib fractures and SBS triad, multi-method decomposed body identification approach, applying Rule of Thumb (37 − rectal temperature = crude PMI hours), interpreting ante-mortem vs post-mortem burns from absence of CO-Hb and soot, interpreting diatom test positive bone marrow result in a drowning case, admissibility and weight of verbal dying declaration to a police officer, interpreting a railway death with an inconsistent separate incised wound, interpreting infant death injuries as non-accidental vs accidental, forensic age estimation for POCSO case (X-ray ossification + dental + physical examination), documenting custodial death with multiple staged contusions (Section 176 BNSS obligation), defending manner of death opinion under cross-examination (expert opinion vs legal verdict), and mechanism of judicial hanging C2-C3 fracture vs short drop asphyxia.

Topics covered:

• Post-mortem changes applied: lividity repositioning, rigor PMI at high temperature, algor Rule of Thumb, decomposition staging, adipocere in exhumation
• Asphyxia scenario interpretation: hanging vs strangulation staging, positional asphyxia in intoxicant, judicial hanging mechanism
• Wound pattern analysis: stab wounds + defence wounds, railway death, non-accidental infant injury, inner lip tear
• Burns and poisoning: fire death ante-mortem indicators, post-mortem burning, CO-Hb clinical interpretation, organophosphate case
• Forensic identification: decomposed body multi-method, POCSO age estimation (ossification)
• Legal medicine applied: SIDS vs smothering, dying declaration to police, custodial death obligations (BNSS 176), expert witness cross-examination, hymenal findings in rape

Each question cites Nandy's Principles of Forensic Medicine. Allow 30 minutes.