Welcome to your Firearm, Explosive, Thermal & Electrical Injuries Arena
1.
A deceased person has an irregular wound on the back with an abrasion around its margin. Internal examination shows that the projectile entered through the chest and travelled backwards. The back was pressed against a wall when the shot occurred. What is the most likely interpretation of the posterior wound?
2.
A child presents with sharply demarcated burns of both feet extending to the same horizontal level. There are no splash marks above the injured area. Which mechanism best explains this pattern?
3.
During examination of a gunshot injury to the skull, the defect is smaller on the outer table and wider on the inner table. This finding indicates:
4.
A high-velocity projectile enters the abdomen, fragments after striking the pelvis and produces several additional wound tracks. What is the main mechanism responsible for these extra tracks?
5.
A bullet passes through the lung and then enters the liver. The pulmonary track is relatively narrow, while the liver shows extensive disruption around the projectile path. Which property best explains this difference?
6.
A firearm projectile rapidly pushes tissues away from its path, after which the tissues recoil. This process produces the:
7.
A body recovered from a house fire shows soot within the trachea and bronchi. Which conclusion is best supported by this finding?
8.
A shotgun victim has one large central chest wound with surrounding soot and a wad recovered from the wound track. Which interpretation is most appropriate?
9.
A 28-year-old man sustains a gunshot injury to the thigh. Imaging shows that the bullet has flattened inside the tissues and produced a wound track wider than its original diameter. Which factor best explains the increased tissue destruction?
10.
A person is injured when metallic fragments from an explosive device penetrate the body. This is classified as:
11.
A bullet recovered from a body shows characteristic parallel marks caused by its passage through a rifled barrel. Which structure inside the firearm produced these marks?
12.
A man standing near an explosion is thrown several metres and sustains a subdural haemorrhage after striking a wall. Which blast mechanism caused the fatal injury?
13.
A skull fragment from a firearm fatality shows a wider defect on the outer table and a smaller defect on the inner table. Which finding does this most strongly indicate?
14.
A burned body is found with flexion of the elbows, hips and knees. What is the most likely explanation for this posture?
15.
A firearm entry wound has multiple punctate abrasions around it that cannot be wiped away. These are produced by:
16.
A bullet has a cavity at its tip and expands after entering tissue. Which type of bullet is being described?
17.
A child presents with sharply demarcated burns of both feet extending to the same horizontal level. There are no splash marks above the injured area. Which mechanism best explains this pattern?
18.
A deceased person has an irregular wound on the back with an abrasion around its margin. Internal examination shows that the projectile entered through the chest and travelled backwards. The back was pressed against a wall when the shot occurred. What is the most likely interpretation of the posterior wound?
19.
A bullet recovered from a body shows characteristic parallel marks caused by its passage through a rifled barrel. Which structure inside the firearm produced these marks?
20.
A blast victim is thrown against a wall and sustains multiple fractures. This injury is classified as:
21.
During autopsy of an explosion victim, the external wounds appear limited. The lungs are heavy and show extensive haemorrhage and oedema. Which forensic conclusion is most appropriate?
22.
A farmer is found dead after a thunderstorm. Examination shows torn clothing, ruptured tympanic membranes and branching reddish skin markings over the trunk. Which mechanism most likely produced the skin pattern?
23.
A burned body has splits in the skin over the limbs. The margins lack bruising and tissue reaction, and the surrounding skin is extensively charred. Which interpretation is most appropriate?
24.
A wound has irregular everted margins and lacks soot, tattooing and an abrasion collar. Which type of wound is most likely?
25.
A skull fragment from a firearm fatality shows a wider defect on the outer table and a smaller defect on the inner table. Which finding does this most strongly indicate?
26.
A complete unit containing a primer, propellant, cartridge case and projectile is called a:
27.
A victim rescued from a building explosion has facial burns, soot around the nose and severe respiratory distress. No penetrating injury is identified. Which cause of death is the greatest immediate concern?
28.
A burned body has splits in the skin over the limbs. The margins lack bruising and tissue reaction, and the surrounding skin is extensively charred. Which interpretation is most appropriate?
29.
A 28-year-old man sustains a gunshot injury to the thigh. Imaging shows that the bullet has flattened inside the tissues and produced a wound track wider than its original diameter. Which factor best explains the increased tissue destruction?
30.
Which branch of ballistics studies the interaction of a projectile with body tissues?
31.
During autopsy of an explosion victim, the external wounds appear limited. The lungs are heavy and show extensive haemorrhage and oedema. Which forensic conclusion is most appropriate?
32.
A shotgun injury shows multiple separate pellet wounds spread over a broad area without soot or scorching. Which factor most likely produced this pattern?
33.
Following an explosion, a victim develops pulmonary haemorrhage without a penetrating chest wound. Which mechanism most likely produced this injury?
34.
Pressing the trigger of a firearm initiates a sequence that ultimately propels the projectile. Which event directly produces the force that drives the projectile through the barrel?
35.
Which feature most strongly supports identification of a typical firearm entry wound?
36.
A man is shot through a thick wooden door before the projectile enters his chest. The entry wound is irregular, and the bullet recovered at autopsy is deformed. Which interpretation is most appropriate?
37.
A firearm entry wound on the abdomen is oval, with the abrasion collar wider on its left side. The internal track passes from left to right. Which conclusion is best supported by these findings?
38.
At autopsy after a bomb explosion, a victim has multiple penetrating wounds containing pieces of glass and metal. The lungs show no blast-related haemorrhage. Which category best describes the major injury mechanism?
39.
At autopsy after a bomb explosion, a victim has multiple penetrating wounds containing pieces of glass and metal. The lungs show no blast-related haemorrhage. Which category best describes the major injury mechanism?
40.
A child sustains a sharply demarcated injury after immersion of the lower limbs in hot water. Which type of thermal injury is present?
41.
A farmer is found dead after a thunderstorm. Examination shows torn clothing, ruptured tympanic membranes and branching reddish skin markings over the trunk. Which mechanism most likely produced the skin pattern?
42.
A shotgun injury shows multiple separate pellet wounds spread over a broad area without soot or scorching. Which factor most likely produced this pattern?
43.
Which organ is particularly vulnerable to primary blast injury because it contains air?
44.
A worker contacts a high-voltage cable and is thrown to the ground. He has deep muscle damage beneath a relatively small skin lesion and a fractured skull. Which statement best explains the injury pattern?
45.
A bullet passes through the lung and then enters the liver. The pulmonary track is relatively narrow, while the liver shows extensive disruption around the projectile path. Which property best explains this difference?
46.
A gunshot wound shows black material around the entry site that can be wiped away. Which finding is present?
47.
A high-velocity projectile enters the abdomen, fragments after striking the pelvis and produces several additional wound tracks. What is the main mechanism responsible for these extra tracks?
48.
A victim of an indoor explosion has ruptured tympanic membranes, pulmonary haemorrhage and bowel perforation, with no penetrating external wounds. Which injury mechanism best accounts for the findings?
49.
A shotgun victim has one large central chest wound with surrounding soot and a wad recovered from the wound track. Which interpretation is most appropriate?
50.
A firearm entry wound has an abrasion collar but no burning, blackening or powder tattooing. Which range is most likely?
51.
A man standing near an explosion is thrown several metres and sustains a subdural haemorrhage after striking a wall. Which blast mechanism caused the fatal injury?
52.
A gunshot wound contains soot within the wound track and shows tearing of skin over the skull. Which range of fire is most likely?
53.
A worker contacts a high-voltage cable and is thrown to the ground. He has deep muscle damage beneath a relatively small skin lesion and a fractured skull. Which statement best explains the injury pattern?
54.
A man is shot through a thick wooden door before the projectile enters his chest. The entry wound is irregular, and the bullet recovered at autopsy is deformed. Which interpretation is most appropriate?
55.
A projectile directly crushes tissues along its path and leaves a lasting defect. This defect is termed the:
56.
A body recovered from a house fire shows soot within the trachea and bronchi. Which conclusion is best supported by this finding?
57.
A firearm entry wound on the abdomen is oval, with the abrasion collar wider on its left side. The internal track passes from left to right. Which conclusion is best supported by these findings?
58.
A victim of an indoor explosion has ruptured tympanic membranes, pulmonary haemorrhage and bowel perforation, with no penetrating external wounds. Which injury mechanism best accounts for the findings?
59.
A victim rescued from a building explosion has facial burns, soot around the nose and severe respiratory distress. No penetrating injury is identified. Which cause of death is the greatest immediate concern?
60.
A person dies after contact with an exposed electrical wire. At autopsy, a small pale, dry and depressed lesion is present on the hand. This lesion is most consistent with a:
