chapter 5 forensics

Time of death can be approximated by analyzing the vitreous humor and the levels of:

A: Calcium.

B: Sodium.

C: Potassium.

D: Magnesium.

C

Evidence of tampering with the position of a body after death can be obtained by evaluating the:

A: Algor mortis

B: Livor mortis

C: Rigor mortis

D: Both B and C

D

Beginning an hour after death, the body will lose heat at an approximate rate of:

A: 0-0.5°F per hour

B: 1.5-2°F per hour

C: 1-1.5°F per hour

D: 0.5-1°F per hour

C

Which is NOT a manner of death?

A: Natural

B: Drowning

C: Homicide

D: Suicide

B

A pathologist would expect rigor mortis to disappear after ________ hours

A: 36

B: 48

C: 12

D: 24

A

Defense wounds are most typically seen on the:

A: Shins

B: Back

C: Face

D: Hands

D

Rigor mortis refers to the:

A: Color of death

B: Time of death

C: Temperature of death

D: Stiffness of death

D

Characteristic markings on the skin caused from the discharge of a firearm are known as:

A: Staining.

B: Stippling.

C: Tattooing.

D: Both B and C

D

The stage of fusion of various bones within a skeleton can be used to estimate the ________ of the decedent.

A: Race

B: Age

C: Sex

D: Occupation

B

What part of the victim's body is often bagged in order to prevent loss of trace evidence?

A: Feet

B: Head

C: Hands

D: No part of the body is bagged.

C

Homicide, suicide, accident, natural, and undetermined are all categories of:

A: Manner of death

B: Mechanism of death

C: Cause of death

D: Method of death

A

The collection of evidence from a "tomb" site by a forensic anthropologist must include:

A: A search of the surrounding area for related evidence

B: A thorough documentation of the site and all evidence

C: A careful recovery of all visible remains

D: All of the above

D

Which should be performed first at a death scene?

A: Secure the scene

B: Sketch

C: Collect evidence

D: Photographs

A

Which factors can help to determine if a victim was alive during a fire?

A: Soot

B: Extent of burns on the body

C: Levels of carbon monoxide in the body

D: Both A and C

D

Insect evidence should be collected:

A: At the scene by a forensic entomologist or trained investigator.

B: Upon the finding of the decedent by the first responding officer

C: At the crime laboratory by forensic analysts

D: During the autopsy by the medical examiner

A

Toxicological specimens are taken at which stage of the death investigation?

A: Anytime

B: Internal examination

C: External examination

D: Death scene

B

Death intentionally caused by another person is typically ruled:

A: A homicide

B: A suicide

C: Natural 

D: An accident

A

Estimations of the postmortem interval (PMI) using entomological evidence must take into account:

A: Weather conditions

B: The location's climate over time

C: The geographical location of the decedent's body

D: All of the above

D

Putrefaction and autolysis are two types of ________ processes.

A: Decomposition

B: Rigor mortis

C: Livor mortis

D: Algor mortis

A

According to forensic entomologists, which "witness" is the first to arrive at the crime scene?

A: Blow fly

B: Carrion beetle

C: Mite

D: Spider

A

A sharp force injury will most likely come from a:

A: Glass piece

B: Cinder block

C: Baseball bat

D: Hammer

A

Lividity can be expected to be fixed after ________ hours.

A: 4

B:16

C: 2

D: 24

B

A body that displays a cherry-red discoloration might lead a pathologist to suspect poisoning by:

A: Cyanic acid

B: Arsenic

C: Pesticides

D: Carbon monoxide

D

Which of the following techniques can be used to estimate the time of death?

A: Eye fluid potassium levels

B: Livor mortis

C: Rigor mortis

D: All of the above

D

Which can be used in making an identification of a deceased individual?

A: Fingerprinting

B: Dental examination

C: Facial reconstruction

D: All of the above

D