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Questions and Answers
Which of the following sequences accurately depicts the order of additional factors involved in powder combustion?
Which of the following sequences accurately depicts the order of additional factors involved in powder combustion?
- Soot, powder particles, gases, weapon lubrication, metal particles.
- Metal particles, weapon lubricants, soot, gases, powders.
- Flame, gases, soot, powder particles. (correct)
- Gases, soot, flames, powders, lubricants.
In long-range gunshot wounds, soot deposits are observed. What is the primary characteristic of these deposits?
In long-range gunshot wounds, soot deposits are observed. What is the primary characteristic of these deposits?
- Deposition of soot on the inner surface of the first layer of clothing. (correct)
- Insignificant radius of soot deposition, not exceeding 1-1.5 cm.
- The presence of a free gap between the edge of the wound and soot deposition.
- Radiation-like soot deposits in the area of the entrance hole.
What is the primary component of smokeless powder?
What is the primary component of smokeless powder?
- Nitrites, sulfur, and coal.
- Coal and potassium nitrate.
- Sulfur and nitrites.
- Nitrocellulose treated with acid. (correct)
Which combination includes the primary damaging factors resulting from a gunshot?
Which combination includes the primary damaging factors resulting from a gunshot?
By what mechanisms do gases from a gunshot affect fabric?
By what mechanisms do gases from a gunshot affect fabric?
What is MOST reliable method to determine the sequence of occurrence of multiple gunshot injuries?
What is MOST reliable method to determine the sequence of occurrence of multiple gunshot injuries?
Which of the following is a key indicator of a close-range gunshot?
Which of the following is a key indicator of a close-range gunshot?
Which of the following represents a comprehensive set of additional methods used in the investigation of gunshot injuries?
Which of the following represents a comprehensive set of additional methods used in the investigation of gunshot injuries?
What is the MOST significant reason for the inconsistent patterns of damage observed from shots fired from a sawed-off firearm?
What is the MOST significant reason for the inconsistent patterns of damage observed from shots fired from a sawed-off firearm?
Under what conditions is the wedge-shaped and concussive effect of a bullet on tissue typically observed?
Under what conditions is the wedge-shaped and concussive effect of a bullet on tissue typically observed?
When is the explosive effect of a bullet on tissue observed?
When is the explosive effect of a bullet on tissue observed?
What is the MOST common cause of there being no tissue defect at a bullet entry hole?
What is the MOST common cause of there being no tissue defect at a bullet entry hole?
What primarily determines the effect of a projectile on fabric?
What primarily determines the effect of a projectile on fabric?
A settling belt is characteristic of a shot...?
A settling belt is characteristic of a shot...?
Damage to which is most reliable in determining the caliber of a bullet?
Damage to which is most reliable in determining the caliber of a bullet?
Is the polymorphism of gunshot damage caused by shots from sawn-off shotguns?
Is the polymorphism of gunshot damage caused by shots from sawn-off shotguns?
Under what impact of a projectile can there be no tissue defect in gunshot wounds?
Under what impact of a projectile can there be no tissue defect in gunshot wounds?
The penetrating effect of a bullet is expressed in...?
The penetrating effect of a bullet is expressed in...?
What are the main signs of a bullet entry wound?
What are the main signs of a bullet entry wound?
What are the signs of being shot at point blank range?
What are the signs of being shot at point blank range?
What is the caliber of a smoothbore firearm?
What is the caliber of a smoothbore firearm?
What is characteristic of close range fractional wound?
What is characteristic of close range fractional wound?
What is the speed of a bullet when it leaves the barrel of a modern military weapon?
What is the speed of a bullet when it leaves the barrel of a modern military weapon?
What is the range of action of additional shot factors for long-barreled weapons?
What is the range of action of additional shot factors for long-barreled weapons?
What characterizes the Vinogradov phenomenon?
What characterizes the Vinogradov phenomenon?
Flashcards
Powder Combustion Sequence
Powder Combustion Sequence
Gases, soot, flames, powders, lubricants.
Main Symptom of Soot Deposits in Long-Range Shots
Main Symptom of Soot Deposits in Long-Range Shots
Radiation-like soot deposits in the area of the entrance hole of a gunshot wound.
Smokeless Powder Composition
Smokeless Powder Composition
Nitrocellulose treated with acid.
Damaging Factors of a Shot
Damaging Factors of a Shot
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How Gases Affect Fabric
How Gases Affect Fabric
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Determine Gunshot Injury Sequence
Determine Gunshot Injury Sequence
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Detect a Close-Range Shot
Detect a Close-Range Shot
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Additional Methods for Studying Gunshot Injuries
Additional Methods for Studying Gunshot Injuries
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Reason for Polymorphism of Damage from Sawed-Off Firearm
Reason for Polymorphism of Damage from Sawed-Off Firearm
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When Wedge-Shaped and Concussive Bullet Effect Observed
When Wedge-Shaped and Concussive Bullet Effect Observed
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When Explosive, Crushing, and Piercing Bullet Effect is Observed
When Explosive, Crushing, and Piercing Bullet Effect is Observed
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Main Reason for Absence of Tissue Defect at Bullet Entry Hole
Main Reason for Absence of Tissue Defect at Bullet Entry Hole
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Effect of a Projectile (Bullet) on Fabric
Effect of a Projectile (Bullet) on Fabric
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Settling belt characteristic of a shot...
Settling belt characteristic of a shot...
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Damage Allows Caliber Determination
Damage Allows Caliber Determination
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Polymorphism from shots from sawn-off shotguns caused by:
Polymorphism from shots from sawn-off shotguns caused by:
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Under what impact of a projectile can there be no tissue defect in gunshot wounds?
Under what impact of a projectile can there be no tissue defect in gunshot wounds?
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Penetrating Effect of a Bullet
Penetrating Effect of a Bullet
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Main Signs of a Bullet Entry Wound
Main Signs of a Bullet Entry Wound
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Signs of Shot at Point Blank Range
Signs of Shot at Point Blank Range
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Caliber of a Smoothbore Firearm
Caliber of a Smoothbore Firearm
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Difference Between Fractional Wound and Bullet Shot at Close Range
Difference Between Fractional Wound and Bullet Shot at Close Range
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Speed of Bullet Leaving Barrel of Modern Military Weapon
Speed of Bullet Leaving Barrel of Modern Military Weapon
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Range of Additional Shot Factors for Long-Barreled Weapons
Range of Additional Shot Factors for Long-Barreled Weapons
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Range of Action of Additional Shot Factors for Short-Barreled Weapons
Range of Action of Additional Shot Factors for Short-Barreled Weapons
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Study Notes
- Sequence of action of additional factors of powder combustion: Gases, soot, flames, powders, lubricants.
- In long-range shots, soot deposits are observed, with the main symptom being radiation-like soot deposits in the area of the entrance hole of a gunshot wound.
- Smokeless powder is made of nitrocellulose treated with acid.
- Damaging factors of a shot: Projectile, combustion products of gunpowder, weapon parts, and secondary projectiles.
- Gases affect fabric thermally, chemically, and mechanically.
- It is impossible to determine the sequence of gunshot injuries.
- A close-range shot is detected by the presence of soot, oil, and powder around the inlet.
- Additional methods used in the study of gunshot injuries include histological, microscopic, X-ray, diphenylamine test, infrared photography, and contact-diffusion.
- The polymorphism of damage resulting from a shot from a sawn-off firearm is due to increasing the range of additional shot factors.
- The wedge-shaped and concussive effect of a bullet on tissue is observed when the kinetic energy of a bullet is equal to several kilograms, or the bullet loses speed.
- Explosive, crushing, and piercing effect of a bullet on fabric is observed when the kinetic energy of a bullet is several hundred and tens of kilograms.
- The main reason for the absence of a tissue defect at the bullet entry hole is the loss of kinetic energy of the bullet.
- The effect of a projectile (bullet) on fabric depends on the magnitude of kinetic energy and the nature of tissues.
- A settling belt is characteristic of a shot through clothes.
- Damage to bone tissue allows one to reliably determine the caliber of a projectile (bullet).
- The polymorphism of gunshot damage caused by shots from sawn-off shotguns is caused by increasing the flight range of additional shot factors
- No tissue defect in gunshot wounds can occur for wedge-shaped and contusion actions
- The penetrating effect of a bullet is expressed in passing through several layers of biological tissues.
- Main signs of a bullet entry wound: Relatively small size and smooth edge.
- Signs of being shot at point-blank range: Presence of soot, powder, and oily contaminants in the wound canal.
- The caliber of a smoothbore firearm is the number of bullets made from 432 g of lead.
- The difference between a fractional wound and a bullet shot at close range is that the edges of shot wounds are uneven, in the form of papillae or meshes.
- The speed of a bullet when it leaves the barrel of a modern military weapon is 800 m\sec.
- The range of action of additional shot factors for long-barreled weapons is 1.5-2 meters.
- The range of action of additional shot factors for short-barreled weapons is 20-40 cm.
- The distance of action of the flame and powder gases is from 3-5 cm to 10-15 cm.
- A live cartridge includes a case, capsule, projectile, and gunpowder.
- Black powder includes coal, sulfur, and potassium nitrate.
- A hunting cartridge includes a case, capsule, wad, gunpowder and shot.
- Buckshot consists of shots with a diameter over 5.0 mm.
- The Vinogradov phenomenon is the deposition of soot on the second layer of clothing or on the skin when a bullet moves at high speeds of more than 500 m\sec.
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