Forensic Pathology Practice Questions

Q: A male is brought for medicolegal examination after sustaining a firearm injury. On examination, there is tattoing of skin, but no burning, singeing of hair, or charring is present. The margins of the wound are inverted. What is the most likely range of fire in this case?

Intermediate range. ***Intermediate range*** - The presence of **tattooing** (or powder stippling) on the skin without any **burning**, **singeing of hair**, or **charring** is pathognomonic for an intermediate range firearm injury. - At this distance, unburnt or partially burnt gunpowder particles are deposited on the skin, but the weapon is far enough away to avoid flame effects. *Close range* - Characterized by the combination of **tattooing** and flame effects, such as **singeing** of hair or **burning** of the skin edges. - This occurs when the weapon is near the target, allowing both particulate powder and hot gases to contact the skin. *Contact range* - Produces **charring**, **burning**, and **singeing** due to direct contact of the pressurized discharge gases with the skin. - Often presents with a **muzzle imprint** and **stellate, ragged margins** on the skin due to rapid gas expansion between the skin and underlying subcutaneous tissue. *Distant range* - Characterized by the complete absence of any discharge residue (powder **tattooing** or **soot**) and flame effects (**singeing/burning**). - The entrance wound typically shows only a simple perforation with an **abrasion collar**, as only the projectile strikes the skin.

Q: A male traveller from Afghanistan is found dead in a hotel room. Autopsy shows the stomach packed with foreign substances. What is this phenomenon called?

Body packing. ***Body packing*** - This term refers to the **intentional ingestion** or **insertion** of drug-filled packets (usually encased in latex or plastic) into body cavities for the purpose of **international drug trafficking**. - These individuals are often referred to as **mules** and are at significant risk of **drug toxicity** if the packets rupture or leak during transit. *Body stuffing* - This involves the **hasty ingestion** of drug packets to avoid arrest, usually when an individual is about to be detained by law enforcement. - Unlike body packing, these packets are typically **poorly packaged** or improvised, leading to a much higher rate of **accidental overdose** and rupture. *Body storage* - This is not a recognized medical or forensic term used to describe the concealment of drugs within the body. - It does not describe any specific mechanism of illicit substance transport or forensic phenomenon. *Body smuggle* - This is a descriptive term for the act of trafficking but is incorrect terminology in forensic pathology for the specific method of ingestion. - The correct forensic classification for ingestion and concealment is **body packing** or **body stuffing** depending on the intent and preparation.

Q: In a case of alleged sexual assault followed by homicide, the victim's body shows rigor mortis fully developed in all muscles, stomach contents show partially digested food, and rectal temperature is 30°C (ambient temperature 25°C). Synthesize this information to estimate the postmortem interval:

12-18 hours. ***12-18 hours*** - **Rigor mortis** typically takes about 12 hours to become fully established in all muscles, suggesting a postmortem interval of at least 12 hours. - The **rectal temperature** drop of 7°C (from 37°C to 30°C) roughly corresponds to a period of 10-14 hours based on standard **algor mortis** cooling rates. *6-8 hours* - At this time frame, **rigor mortis** would only be partially established, usually appearing in the upper body and spreading downwards. - The body temperature would typically be higher (around 32-34°C) as the cooling process would not have progressed to 30°C. *24-36 hours* - By this period, **rigor mortis** would begin to pass off (disappear) due to **secondary flaccidity** caused by autolysis. - The body temperature would likely have reached the **ambient temperature** of 25°C, rather than remaining at 30°C. *2-4 hours* - At this early stage, **rigor mortis** is just beginning to appear in the eyelids and jaw and is not fully developed. - **Stomach contents** showing partially digested food only indicates that death occurred 2-4 hours after the last meal, not the time since death itself.

Q: A body recovered from a river shows pink-white, sodden, wrinkled skin on palms and soles with epidermis easily peeling off. The internal organs show putrefactive changes. Analyze the postmortem interval:

2-3 days of immersion. ***2-3 days of immersion*** - The presence of **pink-white, sodden skin** with **epidermis easily peeling off** (degloving) typically indicates that the body has been immersed for approximately 2 to 3 days. - By this stage, **putrefactive changes** in internal organs begin to manifest, correlating with the breakdown of skin integrity and bacterial gas formation. *More than 3 weeks of immersion* - At this advanced stage, the epidermis usually separates completely in **glove and stocking** fashion (total skin casting). - Tissues would likely show advanced **adipocere formation** or significant **skeletalization** depending on the water temperature. *6-12 hours of immersion* - Initial changes like **slight wrinkling** and bleaching (maceration) start at 2-4 hours, but the epidermis does not peel off this early. - **Washerwoman's hand** is becoming well-developed by 12-24 hours, but the internal organs would not yet show significant **putrefactive changes**. *1-2 weeks of immersion* - During this period, the skin would be extensively macerated and significant **bloating of the body** due to gases would be prominent. - The **hair and nails** would likely be loose or starting to detach, which is more advanced than the description provided.

Q: A 25-year-old woman is brought dead to the emergency. Body shows bilateral symmetric lividities on both front and back. On autopsy, organs are found to be severely decomposed while the body surface appears relatively preserved. What is the most likely explanation?

Body was repeatedly turned after death. ***Body was repeatedly turned after death*** - The presence of **bilateral symmetric lividities** on both the front and back surfaces (double lividity) indicates that the body's position was changed before the staining became **permanently fixed**. - **Fixation of lividity** typically occurs after 8-12 hours; if a body is turned before this, blood shifts to the new dependent areas while some remains in the previous locations. *Death due to septicemia* - Septicemia leads to **rapid putrefaction** but does not specifically cause **double lividity** unless the body is also moved. - The scenario describes **relative preservation** of the body surface, which is inconsistent with the generalized rapid decay seen in septicemic deaths. *Death occurred in water* - Bodies in water often exhibit lividity on the **face, neck, and front of the chest** because they typically float in a face-down (prone) position. - Drowning cases are characterized by **washerwoman's hands** and fine froth, which are absent in this description. *Refrigeration of body was done* - Refrigeration helps in the **preservation of the body surface** by slowing bacterial action, but it does not produce **circumferential or symmetric lividity**. - This would explain the lack of external decomposition but does not account for the **distribution of postmortem hypostasis** on both sides.

Question 1

A male is brought for medicolegal examination after sustaining a firearm injury. On examination, there is tattoing of skin, but no burning, singeing of hair, or charring is present. The margins of the wound are inverted. What is the most likely range of fire in this case?

Accepted Answer

Intermediate range

Answer

Close range

Answer

Contact range

Answer

Distant range

Question 2

A male traveller from Afghanistan is found dead in a hotel room. Autopsy shows the stomach
packed with foreign substances. What is this phenomenon called?

Accepted Answer

Body packing

Answer

Body stuffing

Answer

Body storage

Answer

Body smuggle

Question 3

In a case of alleged sexual assault followed by homicide, the victim's body shows rigor mortis fully developed in all muscles, stomach contents show partially digested food, and rectal temperature is 30°C (ambient temperature 25°C). Synthesize this information to estimate the postmortem interval:

Accepted Answer

12-18 hours

Answer

6-8 hours

Answer

24-36 hours

Answer

2-4 hours

Question 4

A body recovered from a river shows pink-white, sodden, wrinkled skin on palms and soles with epidermis easily peeling off. The internal organs show putrefactive changes. Analyze the postmortem interval:

Accepted Answer

2-3 days of immersion

Answer

More than 3 weeks of immersion

Answer

6-12 hours of immersion

Answer

1-2 weeks of immersion

Question 5

A 25-year-old woman is brought dead to the emergency. Body shows bilateral symmetric lividities on both front and back. On autopsy, organs are found to be severely decomposed while the body surface appears relatively preserved. What is the most likely explanation?

Accepted Answer

Body was repeatedly turned after death

Answer

Death due to septicemia

Answer

Death occurred in water

Answer

Refrigeration of body was done

Forensic Pathology — MCQs

Forensic Pathology — MCQs

On this page

Practice by Chapter

Want unlimited practice?