Forensics Final

What happens to body temperature after death if the ambient temperature is 70 degrees?

It decreases over time until ambient temperature is met.

What are the four disciplines of forensic toxicology?

postmortem, human performance, doping control, forensic workplace drug testing

What are the two roles of a toxicologist?

identify and quantify toxins in the body

What are the three factors used in determining how drugs are classified?

potential for abuse, accepted medical use, potential for addiction

Name four biological characteristics that can be determined by analyzing bone.

age, gender, height, ethnicity, lifestyle

the period of time between time of death and when the body was first discovered

post mortem interval (PMI)

The pooling of blood in the tissues after death is known as:

livor mortis

What stage in the blow fly life cycle comes after the egg stage?

instar 1

stage 1 of decomposition

fresh stage

stage 5 of decomposition

dry or skeletal

What organ can be damaged from long term alcohol use?

liver

The largest and strongest bone in the human body:

femur

A person is very charming and charismatic but also very manipulative and lack the ability to feel bad for others. How would this be classified?

psychopathy

A person that performs and autopsy is known as a

pathologist

Which stage of human decomposition produces gases that rupture the skin?

bloat

True or False: The body does not lose heat in the first hour after death if ambient temperature is normal.

true

The name of the cut that is used to open the body for autopsy:

y-incision

The first step of the human autopsy is:

external autopsy

What chemical is alcohol converted in to once it’s processed by the liver?

formaldehyde

What is the study of insects?

entomology

The immediate reason for a person’s death is known as:

cause of death

Thigh bone measured and used to determine a persons height

femur

The cooling of the body after death is known as:

algor mortis

The science that analyzes skeletal remains to solve crimes is called:

forensic anthropology

True or False: When a blow fly hatches, it will have crumpled wings.

true

The nonfeeding stage of develpment for an insect is what?

pupa

The stiffening of the skeletal muscles after death is known as:

rigor mortis

stage 2 of decomposition

bloating

Which of the following is something unusual or specific the criminal does or leaves behind at the crime scene?

signature

True or False: All alcohols are toxic?

true

What two organs must cease to function for a person to be declared dead?

brain and heart

Which of the following is the correct order of the life cycle of a blow fly?

egg, larva (1st instar, 2nd instar, 3rd instar), pupa, adult

What is the name of the facility that conducts experimental projects on deceased human bodies?

the body farm

What is the name given for a medical professional that test for poisons/toxins after death?

postmortem toxicologist

What are the 5 stages of human decomposition?

fresh, bloat, active decay, advanced decay, dry

True or False: It is possible to determine how many children a woman has birthed by analyzing her pelvic bone.

true

stage 3 of decomposition

active decay

Which stage in the blow fly life cycle is characterized by dormancy within a shell?

pupa

Another name to describe environmental temperature.

ambient

A common trait of both psychopaths and sociopaths is that they

Lack empathy toward others

The time that has elapsed since a person has died is known as:

pmi

True or False: If the tibia bone is found, anthropologists can get an estimated height of the individual.

True, but only if ethnicity and gender are known.

The long bones (arm and leg) can be used to determine forensic height

true

A forensic anthropologist noted that a set of skeletal remains exhibited the following traits: wide subpubic angle on the pelvis, completely fused sutures in the skull, and a skull with a V-shaped mandible (lower jaw). Which description best supports the skeletal findings?

The skeletal remains most likely belong to a female over the age of 60

Serial killers commonly have a period where they do not commit a crime known as:

the cooling off period

stage 4 of decomposition

advanced decay

The FBI classifies a serial killer as someone with -

3 victims with a cooling off period

True or False: Lividity is permanent after 2 hours.

false

What are the 4 manners of death?

natural, accidental, suicide, homicide

Why does an infants skeleton contain a higher number of bones?

They are born with many bones that have not fused completely

Which stage of human decomposition produces the most maggot activity?

active decay

How are drugs classified?

schedules

Blowflies arrive at a dead body within

minutes of death

How is knowing the life cycle of a fly helpful in a forensic investigation?

Knowing the life cycle of a fly helps estimate the time of death in forensic investigations.

The operating technique of the offender

modus operandi

Bones, such as the skull, pelvis and long bones can be used to identify sex, ethnicity, age, height and/or lifestyle.

true