Medicolegal Autopsies — MCQs

Medicolegal Autopsies Indian Medical PG Practice Questions and MCQs

Question 141: Overriding of skull bones in intrauterine death of a child is known as?

A. Maceration
B. Spaulding's sign (Correct Answer)
C. Rigor mortis
D. Livor mortis

Explanation: ***Spaulding's sign*** - **Spaulding's sign** refers to the **overlapping of fetal skull bones** (suture overriding) due to the liquefaction of the fetal brain, indicating **intrauterine fetal death**. - This sign is visible on X-ray or ultrasound and is a key indicator of **fetal demise**. *Maceration* - **Maceration** describes the **softening and discoloration of fetal skin** due to prolonged exposure to amniotic fluid after intrauterine death. - While an indicator of fetal death, it refers to skin changes, not specifically skull bone overriding. *Rigor mortis* - **Rigor mortis** is the **stiffening of muscles** that occurs a few hours after death, resulting from chemical changes in the muscle tissue. - This post-mortem change is observed in expired individuals and is not directly related to fetal skull overriding. *Livor mortis* - **Livor mortis** (or **lividity**) is the **pooling of blood** in dependent parts of the body after circulation ceases, causing a purplish discoloration of the skin. - It is a post-mortem indicator of death in adults and is not associated with skull bone changes in utero.

Question 142: Incisions for medicolegal autopsy include all except?

A. 'Y' shaped
B. Modified 'Y' shaped
C. Modified 'I' shaped (Correct Answer)
D. 'T' shaped

Explanation: **Modified 'I' shaped** - The **modified 'I' shaped** incision is not a standard or recognized incision for a medicolegal autopsy. - Standard autopsy incisions are designed to provide comprehensive access while maintaining anatomical integrity as much as possible for future viewing or reconstruction. *'Y' shaped* - The **'Y' shaped incision** is a commonly used incision in medicolegal autopsies, starting at the shoulders and meeting at the xiphoid process, then extending to the pubic symphysis. - This incision allows for optimal exposure of the neck, chest, and abdominal organs. *Modified 'Y' shaped* - The **modified 'Y' shaped incision** is a variation of the standard 'Y' incision, often used to avoid cutting through prominent scars or to provide better access in specific cases. - It maintains the general principle of broad exposure while adapting to individual circumstances. *'T' shaped* - The **'T' shaped incision** is another recognized incision, though less common than the 'Y' shape, primarily used for better exposure of the neck and chest in certain circumstances. - It involves a horizontal incision across the upper chest, intersecting with a vertical midline incision.

Question 143: Which of the following is the most important objective of a medicolegal autopsy?

A. Manner of death
B. Cause of death (Correct Answer)
C. Time since death
D. All of the options

Explanation: ***Cause of death*** - Ascertaining the **cause of death** is the primary objective of a medicolegal autopsy, as it identifies the disease or injury responsible for physiological derangement leading to death. - This determination is crucial for legal proceedings and public health data, providing the foundational medical reason for the individual's demise. *Manner of death* - While important, the **manner of death** (homicide, suicide, accidental, natural, undetermined) is a classification based on the cause of death and other investigative findings, making it a secondary objective derived from the primary cause. - The manner specifies how the cause of death arose, but the autopsy's direct medical contribution is establishing the cause itself. *Time since death* - Estimating the **time since death** is a significant aspect of a medicolegal autopsy, aiding in establishing timelines for investigations. - However, it is a piece of crucial information that supports the investigation rather than the ultimate objective of understanding why the person died. *All of the options* - Although all mentioned aspects are important components of a comprehensive medicolegal autopsy report, pinpointing the **cause of death** is the singular, most fundamental objective around which other conclusions are built. - The cause of death forms the basis for subsequent legal and public health classifications and without it, other aspects would lack their primary context.

Question 144: The medicolegal importance of postmortem lividity is all except:

A. Determination of body movement after death
B. Position of the body at death
C. Identity of the deceased (Correct Answer)
D. Time since death

Explanation: ***Identity of the deceased*** - **Postmortem lividity** (livor mortis) results from gravitational pooling of blood in dependent body parts after death and provides important medicolegal information. - However, lividity does **not help in identifying the deceased person**. Identity is established through other means such as physical features, fingerprints, dental records, DNA analysis, or personal belongings. - While lividity patterns can provide investigative clues, they have **no role in determining who the deceased person is**. *Determination of body movement after death* - **Fixed lividity** (occurring after 8-12 hours) indicates the body remained in the same position. If lividity appears in areas that should have been elevated, this suggests the **body was moved after lividity developed**. - This is crucial medicolegal evidence in criminal investigations to determine if a body was **relocated or manipulated** after death. *Position of the body at death* - The **distribution of livor mortis** corresponds to dependent body parts. Lividity on the back indicates supine position, while lividity on the anterior surface suggests prone position. - This helps forensic pathologists **reconstruct the position** of the body at or shortly after death, which is important for crime scene analysis. *Time since death* - Lividity typically **appears within 30 minutes to 2 hours** after death and becomes **fixed after 8-12 hours**. - The **onset, progression, and fixation** of lividity, combined with other postmortem changes, help estimate the **postmortem interval**, though environmental factors can affect accuracy.

Question 145: Which line represents the disease directly causing death, in a death certificate -

A. II
B. Ia (Correct Answer)
C. Ic
D. Ib

Explanation: ***Correct: Ia*** - Line **Ia** on a death certificate is specifically designated for the **immediate cause of death** - This represents the final disease, injury, or complication that **directly resulted in death** - It is the terminal event in the sequence leading to death (e.g., cardiac arrest, respiratory failure, hemorrhagic shock) - This is the disease or condition that directly caused the patient's demise without any intervening conditions *Incorrect: Ib* - Line **Ib** is used for an **intervening cause** that led to the condition in line Ia - It describes a condition that developed as a consequence of the underlying cause and directly resulted in the immediate cause - Example: If Ia is "Cardiac arrest", Ib might be "Acute myocardial infarction" *Incorrect: Ic* - Line **Ic** is used for the **underlying cause** that initiated the chain of events - It represents the primary disease or condition that started the sequence leading to death - Example: If Ib is "Acute myocardial infarction", Ic might be "Coronary artery disease" *Incorrect: II* - Line **II** is for **other significant conditions** contributing to death but not part of the direct causal chain - These conditions played a role in death but were not part of the sequence from underlying to immediate cause - Example: Diabetes mellitus, hypertension (when not directly in the causal pathway)

Question 146: 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 147: Spalding's sign occurs because of:

A. Hanging
B. Drowning
C. Mummification
D. Maceration (Correct Answer)

Explanation: ***Maceration*** - **Spalding's sign** is a radiological finding observed in **fetuses that have died in utero**, characterized by overlapping of the cranial bones due to softening of the skull and subsequent head compression. - This overlapping is a consequence of the **maceration process** (softening and disintegration of tissues) and liquefaction of brain tissue that occurs following fetal death. *Hanging* - **Hanging** is a form of asphyxia due to suspension by a ligature around the neck, typically causing death by cerebral anoxia. - It does not involve the process of internal decomposition or the specific radiographic changes seen in post-fetal death. *Drowning* - **Drowning** is a form of asphyxia caused by submersion in a liquid medium, leading to respiratory impairment. - This mode of death does not produce the specific cranial changes associated with Spalding's sign, which is indicative of intrauterine fetal death. *Mummification* - **Mummification** is a process of desiccation (drying out) and preservation of tissues that can occur in dry environments after death. - While it is a post-mortem change, it involves the drying and hardening of tissues, rather than the softening and disintegration central to the development of Spalding's sign.

Question 148: Postmortem examination of the stomach is done after:

A. Double ligation (Correct Answer)
B. Triple ligation
C. Single ligation
D. Cut open

Explanation: ***Double ligation*** - **Double ligation** of the esophagus minimizes spillage of stomach contents during organ removal and dissection, preserving the integrity of the collected sample. - This technique helps prevent contamination of other organs and the examination area, which is crucial for accurate **postmortem analysis**. *Triple ligation* - While technically more secure, **triple ligation** is generally not considered necessary for routine postmortem stomach removal due to the practicality of the procedure. - The added effort and time for a third ligature provide minimal additional benefit beyond **double ligation** in preventing spillage. *Single ligation* - **Single ligation** of the esophagus is insufficient and carries a high risk of stomach content spillage during organ manipulation. - This method is inadequate for ensuring the **integrity of the gastric sample** and preventing contamination of other organs. *Cut open* - Simply **cutting open** the stomach or esophagus prior to removal and proper isolation would lead to immediate and extensive spillage of stomach contents. - This approach would severely compromise the postmortem examination by contaminating other organs and making it difficult to assess the **gastric contents accurately**.

Question 149: 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 150: 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.

Practice by Chapter

Objectives of Medicolegal Autopsy

Practice Questions

Autopsy Procedures

Practice Questions

External Examination

Practice Questions

Internal Examination

Practice Questions

Special Autopsy Techniques

Practice Questions

Organ Retention and Disposal

Practice Questions

Collection of Toxicological Samples

Practice Questions

Autopsy Report Writing

Practice Questions

Histopathology in Autopsies

Practice Questions

Microbiology in Autopsies

Practice Questions

Radiology in Autopsies

Practice Questions

Limitations and Artifacts

Practice Questions

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