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Forensics Ch. 11 Quiz Question and Answer Forensics Ch. 11 Quiz Question and Answer

Forensics Ch. 11 Quiz Question and Answer - PowerPoint Presentation

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Forensics Ch. 11 Quiz Question and Answer - PPT Presentation

Samples and Techniques Experts agree on a single definition for death There are 4 ways a person can die and these are referred to as the manner of death What are the 4 manners of death natural death ID: 731388

hours death body days death hours days body lividity corpse time rigor dies manner mortis temperature position decomposition describes starts works head

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Slide1

Forensics

Ch. 11 Quiz

Question and Answer

Samples and TechniquesSlide2

Experts agree on a single definition for death.Slide3

There are 4 ways a person can die, and these are referred to as the manner of death.Slide4

What are the 4 manners of death?

natural deathaccidental deathsuicidal death homicidal deathSlide5

A man with a heart condition is attacked and dies from a heart attack during the assault. What is the manner of death?

suicide

naturalaccident

homicideSlide6

An elderly woman dies after being kept from receiving proper health care by her son. What is the manner of death?

suicide

naturalaccident

homicideSlide7

The reason someone dies if referred to as the ________________.

time of death

manner of deathm

echanism of deathcause of deathSlide8

Which of the following is NOT a cause of death?

suffocationstrangulation

heart attack

shootingloss of bloodSlide9

What is the mechanism of death?

The stiffness that occurs after death.

The immediate reason for a person’s death.The means by which someone dies.

The specific change in the body that brought about death.Slide10

What are the 6 factors used to estimate a person’s time of death?

livor mortisrigor mortisa

lgor mortisstomach/intestinal contentsdecompositioninsectsSlide11

Livor mortis refers to:

death coolness

death stiffness

death heatdeath colorSlide12

What is lividity?

Pooling of blood in the bodySlide13

Lividity begins ___ hours after death, and If the skin is pressed, lividity will remain after _________ hours.

2 hours; 6 hours

4 hours; 8 hours2 hours; 12 hours hours

4 hours; 12 hours2 hours; 8 hoursSlide14

Lividity can reveal the position of a corpse during the first 8 hours after death.Slide15

What does dual lividity suggest?

That a body was kept in one position two hours after death and then moved to a second position before the lividity became permanent.Slide16

Rigor mortis is permanent.Slide17

Which statement is true about rigor mortis?

When leaving the body, it starts in the feet and works its way up to the head.It may remain in the body for up to 36 hours.

Peak rigor is at 10 hours.

It starts in the feet and works its way up to the head.It starts in the head and works its way down to the legs.Slide18

If a person experiences hypothermia, the onset of rigor will be slower.Slide19

Algor mortis means:

death stiffnessdeath color

death heat and describes the temperature gain in the corpse.

death chill and describes the temperature loss in the corpse.

death heat and describes the temperature loss in the corpse.Slide20

To take a corpse’s temperature, forensic investigators insert a thermometer into the ______.

underarmstomach

rectummouth

liverSlide21

A rule of thumb is to expect a corpse to lose ____ degrees F/hour.

2.53

.52

1Slide22

Why do medical examiners study the corpse’s stomach and intestinal contents?

To help determine time of death.Slide23

If the stomach is empty but food is found in the small intestine, then death occurred _______________ after a meal.

at least 6-8 hoursat least 2-4 hours

0-2 hours

12 or more hoursat least 4-6 hoursSlide24

Cell autolysis begins 4 hours after death.Slide25

During decomposition, the skin takes on a marbled appearance within:

8-10 days after death6-8 days after death

5-6 days after death2-4 days after death

0-2 days after deathSlide26

During decomposition, when do fluids begin to leak from the body and organs begin to liquify?

More than 10 days

0-2 days4-6 days

3-4 days6-10 daysSlide27

Lower temperatures tend to prevent bacterial growth and slow down decomposition.Slide28

The study of insects as they pertain to legal matters is called ________________.

forensic entomologySlide29

What insects are the first to arrive to lay eggs on the warm body?

blowfliesSlide30

What are the 7 stages in the blowfly life cycle?

EggLarva 1Larva 2Larva 3Pre-Pupa

Early & late PupaAdultSlide31

Insect evidence can provide an exact time of death.