Firearms

Question 1

The cartridge is______.

Answer 1

• Complete unit of unfired ammunition.

Question 2

The cartridge case is_____.

Answer 2

• Subunit of cartridge that holds primer and propellant.

Question 3

The projectile/bullet is ______.

Answer 3

• Subunit of a cartridge expelled from a firearm under pressure
  created by burning propellant.

Question 4

Ballistics is broken down into three areas:

Answer 4

• Internal or interior ballistics
• Terminal ballistics
• External or exterior ballistics

Question 5

Forensic firearms examiners:

Answer 5

• Deal with “internal ballistics.” This is the study and examination
  of the firearm itself, which includes ejection patterns, gunshot
  residue deposition and other related aspects

Question 6

Forensic pathologists deal with:

Answer 6

• Terminal ballistics; this is the consideration of the effect of a
  bullet on a human target and includes defining the path of the
  bullet through the victim.

Question 7

Crime scene technicians are the group:

Answer 7

• Responsible for conducting “external ballistics.” This area of
  ballistics considers the path and trajectory of the bullet after
  leaving the barrel of the weapon to its final impact. External ballistics is
  based primarily on evaluation of bullet defects in the scene.

Question 8

In________the forensic pathologist considers the effect of projectiles on the body and will provide information that may assist in limiting the position of the victim at the time of wounding.

Answer 8

• Terminal ballistics (bullet wounds)

Question 9

In terminal ballistics, _________is when the muzzle of a firearm is in direct contact with the skin or pressed into the skin.

Answer 9

• Close contact or hard contact

Question 10

In terminal ballistics,_______is when the muzzle of a firearm is in extremely close proximity to the skin, but at the moment of firing, a small gap is created between the two.

Answer 10

• Loose contact

Question 11

In terminal ballistics, _________is when the muzzle of a firearm is no more than 5 inches from the skin.

Answer 11

• Near contact

Question 12

In terminal ballistics, ______is when the muzzle of a firearm is between 5 and 40 inches from the skin. The wound may exhibit stippling from the discharge.

Answer 12

• Intermediate range

Question 13

In terminal ballistics, ______is when no conclusion can be drawn on the muzzle distance of a firearm.

Answer 13

• Indeterminate range

Question 14

In _________, firearms examiners check firearms for functionality, ejection patterns, gunshot residue patterns and bullet fragments for trace evidence and damage.

Answer 14

• Internal ballistics

Question 15

_________is the trajectory of the bullet or projectile after it leaves the barrel of a firearm and defects that results.

Answer 15

• External ballistics (Crime Scene technicians)

Question 16

Bullet injuries are described as:

Answer 16

• Penetrating
• Perforating
• Tangential
• Grazing

Question 17

Penetrating defect is when:

Answer 17

• Bullet enters but does not exit a surface

Question 18

Perforating defect is when:

Answer 18

• Bullet enters a surface and exits

Question 19

Tangential injury is when:

Answer 19

• Bullet skims the surface producing several shallow wounds

Question 20

Grazing injury is when:

Answer 20

• Projectile leave only a minor abrasion as it passes close to the body