Death Investigations final

_ are defined as those in which a force is applied to the surface of the body or the body comes into contact with a surface causing an injury

Blunt force trauma

an _ is a scrape on the skin causing loss of the superficial layers of the skin

abrasion

a contusion is commonly known as a _

Bruise

a(n) _ is created by a force bieng applied to the skin, causing rupture of the small blood vessels and bleeeding into the tissue under the skin’s surface

contusion

_ are actual tears of hte skin that result when a force being applied exceeds its elastic ability to stretch, causing it to tear

laceration

the _ is the citting portion of aknife and is tapered to a point, throuhg a belling (mid) region before connecting to the handle

blade

the _ is the dull edge of the blade of the knife

spine

the _ is the dull piece of metal the progects at the right anfles from the handle and blade and serves as a protective device preventing the hand from sliding down onto the blade during use

hilt

the _ forms the grip area of the knife

handle

_ contain abraded mergins, have small strands of tissue extending betweenthe edges of the wound, and tend to have irregular margins. is this blunt or sharp force?

lacerations, blunt

sharp force injury wounds are measured int 3 dimensions, what are they?

length, width, depth

if a knife is still embedded in the decedent it is ALWAYS good practice to remove the knife so as to not lose it during transport, true or false

false

_ results when a process causes lack of oxygen to the brain, unconciousness, and death

asphyxia

_ is defined as a decreases oxygen level to the brain and vital organ

hypoxia

_ within the eyes are created by rupture of capillaries

petechiae

the primer is a volatile explosive material that comes in contact with the firing pin and precipitates the ignition of the gunpowder explosion true or false

true

all entrance wounds have one thing in common, a marginal abrasion true or false

true

_ includes minute fragments of debris, fibers, hair, vegitation, paint chips, etc. that adhere to the body

trace evidence

Mummification is a form of decomposition that occurs in hot arid environments where the body is partially protected from the sun and the air is blowing across the body drying it. true or false

true

the first insects to attack a body are flies, usually blowlies. true or false

true

manner of death

natural, accidental, homicide, suicide, undetermined

rigor mortis

stiffening of muscles due to calcification due to lack of ATP

livor mortis

pooling of blood post-mortem

algor mortis

cooling of body post-mortem

in 1954, the United States passed the _ which outlined general classes of deaths that need to be further investigation and certified by a government body rather than a hospital pathologist or treating physician

model post-mortem act

_ developed the exchange principle which states that whenever two items come into contact they exchange material

Edmund Locard

coroners are elected officials, and in most jurisdictions, the only credentials required for being placed on the ballot are a high school diploma and a voter registration. true or false

true