Forensic Science Death and Entomology Review

What factors can help approximate the time of death?

• livor mortis

• rigor mortis

• algor mortis

• stomach contents

• insect activity and degree of decomposition

When does livor mortis begin?

• 10 hours

• 14 hours

• 48 hours

• 2 hours

True or False. The permanent discoloration of the corpse tell us what position the person was lying in when they died. It also tells us if something was blocking the flow of blood, like a belt or a watch.

• true

• false

When is the body in its most rigid state?

• 24 hours

• 4 hours

• 10 hours

• 12 hours

Check all factors the affect algor mortis.

• clothing

• height

• temperature

• wind

• body fat

Tags

NGSS.HS-PS3-4

This occurs 2-4 hours after death, where the blood pools due to gravity. The area affected is a bluish-red color.

• rigor mortis

• algor mortis

• livor mortis

The cooling of body temperature after death is:

• algor mortis
• livor mortis
• rigor mortis
• pallor mortis

The process that causes the muscles in the body to stiffen resulting in rigidity after death is called

• algor mortis

• rigor mortis

• livor mortis

A body is found sitting upright in a chair, however the front of the body (chest, stomach, and thighs) are colored blue-purple. What does this indicate?

• the victim died sitting in the chair

• the victim died laying on their back

• the victim was moved after death

• the victim died from unusual circumstances

A cold environment causes algor mortis to occur

• faster

• slower