Medicolegal Autopsy — MCQs
Police inquest is NOT required in:
Certain obligations on the part of a doctor who undertakes a postmortem examination are the following, EXCEPT:
Virchow method of autopsy includes:-
A lady died due to unnatural death within seven years after her marriage. The inquest in this case will be done by
In cases of suspected homicide, which section of CrPC is most relevant to the investigation process that may involve medical professionals?
Most reliable method to identify putrefied bodies with metallic implants?
For autopsy, vitreous is preserved in:
After a postmortem examination, the body has to be handed over to
IPC 201 deals with which of the following?
During an autopsy of a decomposed body, the forensic pathologist notes marbling of the skin, bloating, and a green discoloration of the abdomen. Based on these findings, which of the following best estimates the postmortem interval?
Medicolegal Autopsy Indian Medical PG Practice Questions and MCQs
Question 1: Police inquest is NOT required in:
- A. Suicide
- B. Murder
- C. Death in police custody
- D. Natural death due to disease in elderly person at home (Correct Answer)
Explanation: ***Natural death due to disease in elderly person at home*** - Police inquest is **NOT required** for natural deaths occurring at home with a known medical condition - A registered medical practitioner who has been attending the deceased can issue a death certificate - No suspicion of foul play or unnatural circumstances exists - This is the only scenario among the options where police involvement is not mandated *Death in police custody* - Police inquest is **absolutely required** under **Section 176 CrPC** (mandatory magisterial inquiry) - Custodial deaths are considered highly sensitive and require thorough investigation - Ensures accountability and rules out torture, negligence, or human rights violations - Automatic judicial oversight is mandated by law *Suicide* - Police inquest is **required** as suicide is classified as an **unnatural death** - Investigation needed to confirm manner of death and rule out homicide - Section 174 CrPC mandates police investigation for all unnatural deaths - Documentation required for legal and insurance purposes *Murder* - Police inquest is **absolutely required** as murder is a **criminal homicide** - Section 174 CrPC mandates immediate police investigation - Crime scene examination, evidence collection, and suspect identification are essential - Forms the basis for criminal prosecution under IPC Section 302
Question 2: Certain obligations on the part of a doctor who undertakes a postmortem examination are the following, EXCEPT:
- A. Routinely record all positive findings and important negative ones
- B. He must keep the police informed about the findings (Correct Answer)
- C. The examination should be meticulous and complete
- D. He must preserve viscera and send for toxicology examination in case of poisoning
Explanation: ***He must keep the police informed about the findings*** - This is **NOT a formal obligation** of the doctor conducting a postmortem examination. - The doctor's primary duty is to conduct a thorough, objective examination and prepare a **formal postmortem report** that is submitted to the authority who requisitioned the examination (magistrate/police as per CrPC Section 174). - While findings may eventually reach the police through the official report, there is **no obligation to informally update or keep police informed** during the examination process. - The doctor's role is that of an **independent expert witness** to the court, not an investigative assistant to the police. - Maintaining independence and objectivity requires the doctor to document findings formally rather than providing ongoing informal updates to investigating officers. *Routinely record all positive findings and important negative ones* - This IS a **fundamental obligation** for any doctor performing a postmortem examination. - Both positive findings (pathological changes, injuries) and significant negative findings (absence of expected pathology) must be documented to provide a comprehensive and accurate record. - This meticulous documentation ensures the **integrity, reliability, and legal validity** of the postmortem examination and its conclusions. *The examination should be meticulous and complete* - This IS a **professional, ethical, and legal obligation** for any doctor undertaking a postmortem examination. - A systematic and thorough examination of all body systems is essential to accurately determine the cause of death and identify all relevant findings. - Incomplete examinations can lead to **missed diagnoses and miscarriage of justice** in medico-legal cases. *He must preserve viscera and send for toxicology examination in case of poisoning* - This IS a **crucial obligation** when poisoning is suspected or cannot be ruled out based on the postmortem findings. - Relevant viscera (liver, kidney, stomach contents) and bodily fluids (blood, urine) must be preserved in appropriate containers for subsequent toxicological analysis. - This step is **essential to confirm or exclude toxicological involvement** in the death and is a standard protocol in medico-legal postmortem examinations as per established guidelines.
Question 3: Virchow method of autopsy includes:-
- A. Organs are removed one by one (Correct Answer)
- B. In situ dissection combined with en bloc removal
- C. Organs are removed en bloc
- D. Organs are removed En masse
Explanation: ***Organs are removed one by one*** - The **Virchow method** of autopsy involves the systematic removal and examination of each organ individually. - This technique emphasizes the **in-depth inspection** of each organ for pathological changes, one at a time. *In situ dissection combined with en bloc removal* - This describes a combination of techniques, not solely the Virchow method. **In situ dissection** involves examining organs within the body cavity. - Removing organs **en bloc** refers to taking out groups of organs together which is characteristic of other methods like Ghon or Letulle. *Organs are removed En block* - The **en bloc method** (e.g., Ghon's method) involves removing entire organ systems or groups of organs together to preserve anatomical relationships. - This is distinct from the Virchow method, where individual organs are taken out separately. *Organs are removed En masse* - The **en masse method** (e.g., Letulle's method) involves removing all organs in a single block, maintaining all anatomical connections. - This is a more extensive removal technique compared to the Virchow method of individual organ removal.
Question 4: A lady died due to unnatural death within seven years after her marriage. The inquest in this case will be done by
- A. Sub-divisional Magistrate (Correct Answer)
- B. Deputy Superintendent of Police
- C. Forensic medicine expert
- D. Coroner
Explanation: ***Sub-divisional Magistrate*** - In cases of **unnatural death** of a woman within **seven years of marriage**, the inquest must be mandatorily conducted by an Executive Magistrate, which includes a Sub-divisional Magistrate. - This provision is primarily aimed at investigating potential cases of **dowry death** or marital cruelty, ensuring an impartial inquiry. *Deputy Superintendent of Police* - While the police investigate unnatural deaths, a Deputy Superintendent of Police would typically conduct a **police inquest** but not the mandatory magisterial inquest required for suspicious deaths of women within seven years of marriage. - The police inquest focuses on establishing the cause of death and gathering evidence for criminal proceedings, whereas the magisterial inquest focuses uniquely on the circumstances surrounding the death in the married woman. *Forensic medicine expert* - A forensic medicine expert, such as a **forensic pathologist**, primarily performs the **post-mortem examination** to determine the medical cause and manner of death. - Their role is to provide medical opinion to assist the investigating authorities, not to conduct the actual inquest. *Coroner* - The system of a Coroner conducting inquests is prevalent in some legal systems, particularly those based on common law, but **not in India's legal framework**. - In India, inquests for such specific cases are conducted by the police or specific executive magistrates, as outlined in the Criminal Procedure Code.
Question 5: In cases of suspected homicide, which section of CrPC is most relevant to the investigation process that may involve medical professionals?
- A. 174 (Correct Answer)
- B. 39
- C. 176
- D. 37
Explanation: ***174*** - Section 174 of the **Criminal Procedure Code (CrPC)** outlines the procedure for police to investigate **unnatural or suspicious deaths**, including suspected homicides, requiring the drawing up of an **inquest report**. - This section empowers the police to send the body for **post-mortem examination** to a medical officer, making it highly relevant for medical professionals in determining the cause of death. *39* - Section 39 deals with the **public's duty to give information** of certain offenses, primarily focusing on reporting crimes to authorities. - While relevant to the initial reporting, it does not directly govern the **investigation process involving medical professionals** in homicides. *176* - Section 176 pertains to the **inquiry by Magistrate into cause of death**, especially when there is doubt about the cause or if the death occurs in police custody. - While it may involve medical opinions, it describes the Magistrate's role rather than the **police investigation** that first involves medical professionals for post-mortem. *37* - Section 37 specifies the **powers of the public to assist Magistrates and police officers**, primarily in preventing escapes or suppressing disturbances. - This section is unrelated to the **forensic investigation of deaths** and the role of medical professionals in such inquiries.
Question 6: Most reliable method to identify putrefied bodies with metallic implants?
- A. Serial number matching (Correct Answer)
- B. X-ray superimposition
- C. Dental comparison
- D. DNA profiling
Explanation: ***Serial number matching*** - Metallic implants, such as orthopedic prostheses or pacemakers, often carry **unique serial numbers** that can be traced back to the manufacturer and patient records. - This method is highly reliable even in cases of severe **putrefaction** or fragmentation, as the implant itself is resistant to decomposition. *X-ray superimposition* - This method involves superimposing antemortem (before death) and postmortem (after death) X-rays to look for matching anatomical features. - While useful for bone and tooth identification, it is less reliable for specific identification with metallic implants compared to direct serial number matching, especially if the antemortem X-rays predate the implant. *Dental comparison* - **Dental comparison** involves comparing antemortem dental records (X-rays, charts) with postmortem dental findings. - This method is very effective for identification in general, but it does not directly utilize the metallic implant for identification and thus is not the *most reliable* method when an implant is present. *DNA profiling* - **DNA profiling** is highly effective for identification using biological samples, but it relies on obtaining viable DNA. - In cases of severe putrefaction, obtaining **high-quality, uncontaminated DNA** suitable for profiling can be very challenging or impossible from the remains themselves.
Question 7: For autopsy, vitreous is preserved in:
- A. Phenol
- B. Fluoride (Correct Answer)
- C. Sulphuric acid
- D. Xylol
Explanation: ***Fluoride (Sodium fluoride)*** - **Sodium fluoride** is the preferred preservative for vitreous humor samples collected during autopsy, especially when testing for **alcohol** and **glucose** levels. - It acts as an **enzyme inhibitor**, preventing post-mortem metabolism of glucose and fermentation of alcohol by microorganisms, thus maintaining the sample's integrity. *Phenol* - **Phenol** is an antiseptic and disinfectant often used in tissue preservation for histological examination, but it is not typically used for vitreous humor to preserve metabolites like glucose or alcohol. - It can interfere with some analytical methods used for vitreous analysis. *Sulphuric acid* - **Sulphuric acid** is a strong acid that would cause significant denaturation of proteins and alteration of the chemical composition of vitreous humor. - It is not suitable for preserving biological samples for most analyses, especially for fragile metabolites such as glucose. *Xylol* - **Xylol** (xylene) is a common solvent used in histology for clearing tissues (removing alcohol) before paraffin embedding, making it unsuitable for direct preservation of body fluids like vitreous humor. - It would dissolve cellular components and denature proteins, rendering the sample useless for chemical analysis.
Question 8: After a postmortem examination, the body has to be handed over to
- A. Magistrate
- B. Investigating police officer (Correct Answer)
- C. Relative of victim
- D. The civil authorities
Explanation: **Investigating police officer** - After a postmortem examination, the body is typically handed over to the **investigating police officer** because the examination is often conducted as part of a forensic investigation. - The police officer is responsible for managing the evidence and ensuring the proper chain of custody for the body in cases involving **unnatural or suspicious death**. *Magistrate* - A magistrate's role involves **judicial oversight** and issuing orders, but they do not directly take physical custody of a body post-mortem. - Their involvement typically precedes the examination, such as ordering an inquest, rather than handling the body itself. *Relative of victim* - While the ultimate disposition of the body is to the family for burial or cremation, **direct handover immediately after a forensic postmortem exam** to relatives is generally not the protocol. - The body must first be released by the authorities, often through the police, after all necessary investigative procedures are complete. *The civil authorities* - "Civil authorities" is a broad term; while the police are a type of civil authority, this option is less specific than the direct involvement of the **investigating police officer**. - Other civil authorities, such as local government agencies, do not typically take custody of a body following a postmortem examination in the context of an investigation.
Question 9: IPC 201 deals with which of the following?
- A. Providing false information to the police
- B. Causing grievous hurt to another person
- C. Kidnapping a person
- D. Embalming a body before an autopsy (Correct Answer)
Explanation: ***Embalming a body before an autopsy*** - **IPC (Indian Penal Code) 201** addresses the destruction of evidence or giving false information to screen an offender, specifically focusing on actions that impede justice in criminal investigations. - While not explicitly listing "embalming a body," judicial interpretations and legal precedents recognize that **embalming a body before an autopsy**, when an autopsy is required, would fall under **destruction of evidence** by significantly altering or obliterating crucial forensic clues. *Providing false information to the police* - This act is covered under different sections of the IPC, such as **IPC 182 (False information with intent to cause public servant to use his lawful power to the injury of another person)**, not solely IPC 201. - IPC 201 specifically pertains to actions taken to **screen an offender from legal punishment** by destroying evidence or giving false information, implying a more direct link to a committed offense. *Causing grievous hurt to another person* - This is addressed by **IPC 320 to 326 (Of Hurt)**, which deals with various types of grievous hurt and their punishments. - IPC 201 is related to acts that obstruct justice after a crime, rather than the commission of the crime itself. *Kidnapping a person* - This offense is covered under **IPC 359 to 369 (Of Kidnapping and Abduction)**, detailing different forms of kidnapping and their respective punishments. - Similar to grievous hurt, kidnapping is an original offense, whereas IPC 201 deals with actions taken post-offense to cover up criminal activity.
Question 10: During an autopsy of a decomposed body, the forensic pathologist notes marbling of the skin, bloating, and a green discoloration of the abdomen. Based on these findings, which of the following best estimates the postmortem interval?
- A. 7-10 days
- B. 1-2 months
- C. 2-3 weeks
- D. 3-5 days (Correct Answer)
Explanation: ***3-5 days*** - The combination of **marbling of the skin**, **bloating**, and **green discoloration of the abdomen** are classic signs of early to moderate putrefaction. These changes typically become evident within **3 to 5 days** postmortem in temperate environments. - **Green discoloration** of the abdomen is usually the first visible sign of putrefaction, appearing within 24-48 hours, followed by **bloating** due to gas production and then **marbling** as bacterial decomposition spreads through blood vessels. *7-10 days* - By **7-10 days**, decomposition would likely be more advanced, with prominent desquamation (**skin slipping**) and potentially the formation of **blisters** filled with putrefactive fluid, which are not explicitly mentioned here. - While these changes can occur within this timeframe, the observed combination specifically points to an earlier stage than a full week. *1-2 months* - At **1-2 months**, the body typically enters the **skeletonization** stage, with significant loss of soft tissues due to insect activity and continued bacteria. - The findings described (bloating, marbling, green discoloration) represent early putrefactive changes, not the advanced decomposition seen after several weeks or months. *2-3 weeks* - By **2-3 weeks**, extensive **bloating** and **tissue liquefaction** would be expected, and the body may begin to show signs of **maggot activity** if exposed to insects. - The described findings are characteristic of a less advanced stage of decomposition compared to this longer interval.
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