Organ Retention and Disposal — MCQs
In cases of death due to road traffic accidents, what is the standard practice regarding timing of post-mortem examination in India?
During autopsy of a fetal death case, what is the correct order of examination to differentiate between live birth and stillbirth?
During autopsy of a 65-year-old man who collapsed while eating dinner at home, a foreign body (food bolus) is found obstructing the larynx with no other injuries. The manner of death is:
Police inquest is NOT required in:
Vitreous humor is preserved in suspected poisoning with:
Certain obligations on the part of a doctor who undertakes a postmortem examination are the following, EXCEPT:
In which of the following situations is the preservation of brain tissue not required?
Medicolegal autopsy requires the permission of
After a postmortem examination, the body has to be handed over to
What are the reasons a sample may be disqualified for culture?
Organ Retention and Disposal Indian Medical PG Practice Questions and MCQs
Question 1: In cases of death due to road traffic accidents, what is the standard practice regarding timing of post-mortem examination in India?
- A. No mandatory waiting period - conducted as soon as possible (Correct Answer)
- B. 24 hours
- C. 72 hours
- D. 48 hours
Explanation: ***No mandatory waiting period - conducted as soon as possible*** - In medico-legal cases including road traffic accidents, **there is no mandatory waiting period** before conducting post-mortem examination in India. - Post-mortem should be conducted **as soon as possible after death is confirmed** to preserve forensic evidence and establish cause of death accurately. - Delays can lead to **decomposition, loss of vital evidence**, and compromise the medico-legal investigation. - The body is examined after **proper identification, documentation, and legal formalities** are completed, but without arbitrary time delays. *72 hours mandatory waiting* - This is **incorrect** - there is no 72-hour waiting period mandated for post-mortem in RTA cases. - Such delays would compromise forensic evidence and are **not part of standard medico-legal practice**. - Confusion may arise from other legal timeframes, but not for autopsy timing. *24 hours mandatory waiting* - This is **incorrect** - no such mandatory waiting period exists in Indian forensic practice for RTA deaths. - Post-mortems are conducted **promptly, not after arbitrary waiting periods**. *48 hours mandatory waiting* - This is **incorrect** - there is no mandatory 48-hour waiting period. - Delays in autopsy are **avoided to preserve evidence quality** and expedite medico-legal investigations.
Question 2: During autopsy of a fetal death case, what is the correct order of examination to differentiate between live birth and stillbirth?
- A. Thorax > head > abdomen
- B. Abdomen > thorax > head
- C. Thorax > abdomen > head
- D. Head > thorax > abdomen (Correct Answer)
Explanation: ***Head > thorax > abdomen*** - The **head** is examined first to preserve delicate structures and avoid artifactual changes that could obscure signs of **intrauterine pathology** or **trauma** related to birth. - After the head, the **thorax** is examined to assess the lungs for signs of **air insufflation** (indicating respiration) and the presence of **congenital anomalies** or injuries. *Thorax > head > abdomen* - Examining the **thorax** before the head may introduce artifacts to the head, such as **hemorrhage** or **tissue distortion**, compromising the investigation of **cephalic injuries** or malformations crucial for distinguishing **live birth** from **stillbirth**. - **Head injuries** or **intracranial bleeds** are often critical in determining the mode of delivery or potential trauma, so their undisturbed assessment is prioritized. *Abdomen > thorax > head* - Beginning with the **abdomen** risks significant disruption to the **thoracic** and **cephalic** structures as a consequence of handling and evisceration, potentially obscuring vital evidence of **respiration** or **birth trauma**. - The integrity of the **head** and **thorax** is paramount for identifying subtle macroscopic and microscopic findings that definitively point to a **live birth**, such as **pulmonary aeration** or **intracranial hemorrhages**. *Thorax > abdomen > head* - This sequence is suboptimal because starting with the **thorax** and then the **abdomen** still leaves the **head** vulnerable to post-mortem changes and handling artifacts due to the initial dissections. - Critical evidence in the head pertaining to **neurological insult** or **traumatic injury** during birth might be overlooked or misinterpreted if not examined early in a pristine state.
Question 3: During autopsy of a 65-year-old man who collapsed while eating dinner at home, a foreign body (food bolus) is found obstructing the larynx with no other injuries. The manner of death is:
- A. Intentional harm
- B. Self-inflicted harm
- C. Unintentional injury (Correct Answer)
- D. Death from natural causes
Explanation: ***Unintentional injury*** - The presence of a **food bolus obstructing the respiratory tract** in a person who collapsed while eating, with **no evidence of trauma or suspicious circumstances**, is classified as **accidental/unintentional death**. - This is the most common manner of death associated with foreign body airway obstruction, particularly in elderly individuals or those with neurological conditions affecting swallowing. - **Café coronary syndrome** (choking on food mimicking cardiac arrest) is a classic example of accidental asphyxia. *Intentional harm (Homicide)* - Homicidal foreign body aspiration would require evidence of: - **Forced insertion** of the foreign body - **Other traumatic injuries** (bruising, struggle marks) - **Suspicious circumstances** at the scene - The scenario described lacks these features, making homicide unlikely. *Self-inflicted harm (Suicide)* - Suicide by foreign body aspiration is **extremely rare** and would require: - **Evidence of suicidal intent** (suicide note, psychiatric history) - Deliberate insertion beyond the gag reflex - Accidental choking while eating does not constitute suicidal behavior. *Death from natural causes* - **Natural death** results from disease processes, not external physical agents. - A foreign body causing mechanical airway obstruction is an **external cause of death**, not a natural disease process. - Even if the person had a predisposing medical condition, the immediate cause (foreign body obstruction) makes this an unintentional injury, not natural death.
Question 4: 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 5: Vitreous humor is preserved in suspected poisoning with:
- A. Cyanide
- B. Morphine
- C. Alcohol (Correct Answer)
- D. Carbon monoxide
Explanation: ***Alcohol*** - **Vitreous humor** is an ideal sample for postmortem alcohol analysis due to its **sequestration** from other body fluids, which minimizes postmortem production or degradation of alcohol. - Its **avascular nature** and **slow diffusion** rates ensure that the alcohol concentration in the vitreous humor closely reflects the ante-mortem blood alcohol concentration. *Cyanide* - Sampling **vitreous humor** is generally not the primary choice for detecting cyanide because cyanide is rapidly absorbed and metabolized, making its detection more reliable in other tissues. - Cyanide can degrade in biological samples, and its concentration in the vitreous humor may not accurately reflect the lethal dose or recent exposure. *Morphine* - While **vitreous humor** can be used for opiate detection, **blood and urine** are generally preferred for initial screening and quantitative analysis of morphine. - Morphine undergoes metabolism during its elimination, and its distribution into the vitreous humor might not always accurately reflect the **pharmacodynamics** or precise time of exposure compared to blood. *Carbon monoxide* - **Carbon monoxide (CO) poisoning** is primarily diagnosed by measuring **carboxyhemoglobin levels** in blood, as CO binds avidly to hemoglobin. - The vitreous humor is not a suitable sample for detecting carbon monoxide or carboxyhemoglobin as it lacks red blood cells and hemoglobin, which are the targets of CO toxicity.
Question 6: 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 7: In which of the following situations is the preservation of brain tissue not required?
- A. Methanol poisoning
- B. Peripheral vascular disease (Correct Answer)
- C. Acute gastroenteritis
- D. Carbon monoxide poisoning
Explanation: ***Peripheral vascular disease*** - **Peripheral vascular disease** primarily affects blood vessels outside of the heart and brain, so **brain tissue preservation is not required**. - The disease involves narrowing of non-coronary arteries, most commonly affecting the **legs and feet**. - This is a vascular condition with no primary brain involvement in forensic examination. *Methanol poisoning* - **Methanol poisoning** causes significant neurological damage, including **cerebral edema** and **necrosis of the putamen**, necessitating brain tissue preservation for forensic analysis. - The neurotoxic effects of methanol metabolites (formic acid) lead to severe and often irreversible brain injury. *Acute gastroenteritis* - **Acute gastroenteritis** is primarily a gastrointestinal condition that does **not require brain tissue preservation** in routine forensic examination. - While it is theoretically possible for severe dehydration to have systemic effects, in forensic toxicology practice, brain preservation is not routinely indicated for gastroenteritis cases. - The diagnosis is typically made based on GI findings, not neuropathology. *Carbon monoxide poisoning* - **Carbon monoxide poisoning** leads to **hypoxic brain injury**, often causing characteristic symmetrical lesions in the **globus pallidus** and **bilateral necrosis of basal ganglia**. - Preservation of brain tissue is crucial for demonstrating these specific neuropathological changes and confirming the cause of death.
Question 8: Medicolegal autopsy requires the permission of
- A. Relative
- B. Medical superintendent
- C. Magistrate
- D. Police (Correct Answer)
Explanation: ***Correct Option: Police*** - A **medicolegal autopsy** is mandated by law under **Section 174 CrPC** in cases of suspicious, unnatural, or sudden deaths. - The **police** are the **primary authority** empowered to requisition such autopsies, as they are typically the first investigating agency at the scene of unnatural death. - **No consent from relatives is required** for medicolegal autopsies, as the state has a legal interest in determining the cause of death. - This is the most common scenario in routine medicolegal practice. *Incorrect Option: Relative* - Consent from relatives is required for **clinical/hospital autopsies** (Section 176 IPC), performed for medical education, audit, or research purposes. - In medicolegal autopsies, the **legal mandate overrides familial consent**, and relatives cannot refuse such an autopsy. *Incorrect Option: Medical superintendent* - A **medical superintendent** oversees hospital administration but does **not have legal authority** to order a medicolegal autopsy. - Their role is limited to facilitating the autopsy within hospital premises once legally sanctioned by competent authority. *Incorrect Option: Magistrate* - While an **Executive Magistrate also has legal authority** under Section 174 CrPC to order medicolegal autopsies, this is **less common in routine practice**. - Police are typically the first responders and primary investigating authority in cases of unnatural death. - Magistrate involvement is more common in complex cases or when specifically required by legal circumstances. - In the context of "routine" medicolegal autopsy permission, **police** is the most appropriate answer.
Question 9: 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 10: What are the reasons a sample may be disqualified for culture?
- A. Sample brought within 2 hr of collection
- B. Sample brought in sterile plastic container
- C. Sample brought in formalin (Correct Answer)
- D. Sample obtained after cleaning the collection site
Explanation: ***Sample brought in formalin*** - Formalin is a **fixative** that will kill any viable **microorganisms** present in the sample, rendering it unsuitable for culture because no growth will occur. - The purpose of a culture is to identify living organisms; a fixed sample prevents this crucial step. *Sample brought within 2 hr of collection* - This is an **ideal scenario** for sample integrity, as it minimizes the time for degradation or overgrowth of contaminants. - **Prompt transport** ensures the viability of fastidious organisms and accurate representation of the original microbial load. *Sample brought in sterile plastic container* - Using a **sterile container** is essential for preventing **contamination** from external sources. - A non-sterile container would introduce environmental microbes, leading to misleading culture results. *Sample obtained after cleaning the collection site* - **Cleaning the collection site** reduces the presence of **normal flora** or skin contaminants. - This practice helps to ensure that any organisms grown in culture are more likely to be pathogens from the infection site rather than surface contaminants.
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