Ch 12 Death: Manner, Mechanism, Cause

Quick Review Time!

Open Ended

Why is it important for forensic scientists to understand the different manners, mechanisms, and causes of death when investigating a case?

Open Ended

Compare and contrast the roles of medical examiners and coroners in determining the cause and manner of death.

​Be sure to create a new divider tab in your notebooks and record your vocabulay and objectives.

Multiple Choice

What does PMI stand for? 

• pre mortem interval 
• post memory interval 
• post murder interval 
• post mortem interval 

Multiple Choice

An child dies after being kept from receiving proper health care by her guardians. The manner of her death would be:

• natural

• accidental

• homicide

• undetermined

Multiple Choice

An old woman dies peacefully in her sleep. There is no sign of foul play. What is her manner of death?

• accidental

• homicidal

• natural

• undetermined

Multiple Choice

the specific body failure that leads to a person's death

• mechanism of death
• decomposition
• manner of death
• cause of death

Multiple Choice

one of five means by which someone dies

• death

• manner of death

• cause of death

• mechanism of death

Multiple Choice

The spontaneous break-down of cells as they self-digest.

• Decomposition

• Algor Mortis

• Autolysis

Multiple Choice

The cooling of the body after death.

• Autolysis

• Algor Mortis

• Liver Mortis

Multiple Choice

The pooling of the blood in tissues after death resulting in a reddish color to the skin.

• Liver Mortis

• Algor Mortis

• Instar

Multiple Choice

The stiffening of the skeletal muscles after death.

• Rigor Mortis

• Livor Mortis

• Algor Mortis

Multiple Choice

rigor mortis peaks how many hours after death?

• 36
• 18
• 8
• 12

Quick Review Time!

Match

Match the following

• Rigor in the eyes, lids, jaw, face

• Rigor in the center of the body (torso)

• Rigor in the entire body

• Loss of rigor in the face and neck

• Rigor completely disappears from the entire body

2-6 hours of death

6-12 hours of death

12-15 hours of death

15-36 hours of death

36-48 hours of death

• 2-6 hours of death

• 6-12 hours of death

• 12-15 hours of death

• 15-36 hours of death

• 36-48 hours of death

Multiple Choice

The process of rotting and breaking down.

• Decomposition

• Liver Mortis

• Algor Mortis

Multiple Choice

Which forensics specialist is charged with performing autopsies and rendering the cause of death, mechanism of death, and time since death?

• Forensic Anthropologist
• Ballistics Expert
• Forensic Pathologist
• Forensic Psychologist

Multiple Choice

A stabbing victim is brought to the Medical Examiner's lab. Two deep stab wounds to the upper left chest penetrated the lungs and one deep cut is noted in the neck, severing the carotid artery. Which of the following would be considered the mechanism of death in this case?

• Homicide

• Extreme blood loss or Exsanguination

• Suicide

• Stabbing

Multiple Choice

A woman was in a fatal car crash.  Her spleen burst and she bled to death.  What was the mechanism of death?

• car crash
• she bled out
• accidental
• natural

Multiple Choice

example of a cause of death

• homicide

• drowning

• respiratory arrest (asphyxiation)

Multiple Choice

Kathy is allergic to peanuts. She unknowingly eats something that contains trace amounts of peanuts and dies from the allergic reaction. What is the manner of death?

• Homicide

• Accidental

• Natural

• Undetermined