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pbs > 1.2 Autopsy > Flashcards

1.2 Autopsy Flashcards

1
Q

Physiological Time of Death

A

The time when the decedent’s vital functions actually ceased

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2
Q

The time when the decedent’s vital functions actually ceased

A

Physiological Time of Death

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3
Q

Estimated Time of Death

A

The time the medical examiner estimates that the death occured

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4
Q

The time the medical examiner estimates that the death occured

A

Estimated Time of Death

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5
Q

Legal Time of Death

A

The time of death recorded on the death certificate; based on when the body was found or physically pronounced dead

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6
Q

The time of death recorded on the death certificate; based on when the body was found or physically pronounced dead

A

Legal Time of Death

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7
Q

Algor Mortis
begin

A

0-24 hours

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8
Q

Riger Mortis
Begin

A

2-4 hours

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9
Q

Liver Mortis
Begin

A

0-24 hours
seen within first 2 hours of death

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10
Q

Algor Mortis
The body is estimated to lose or gain __________ degrees per hour.

A

1.5

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11
Q

Rigor Mortis (Def)

A

After the body stops functioning, the muscles contract and stiffen

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12
Q

Where does Rigor Mortis begin and how does it move in the body.

A

First observed in the head and neck and moves to the arms and legs

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13
Q

How many hours before Full Rigor Mortis

A

8-12 hours and “fixes” the body in the position assumed at death

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14
Q

How many hours until Rigor fades

A

36-48 hours and decomposition begins

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15
Q

What happens to the blood when the heart stops beating?

A

Blood collects on the parts of the body facing the ground

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16
Q

The bluish color seen on the skin where blood pools

A

Liver Mortis or Lividity

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17
Q

Full signs of Lividity occurs within

A

5 hours

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18
Q

Fixed Lividity occurs in

A

8-12 Hours

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19
Q

Lividity times:
First signs
Full signs
Fixed

A

2 hours
5 hours
8-12 hours

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20
Q

Rigor Mortis times:
Begins
Full
Fades

A

2-4 hours
8-12 hours
36-48 hours

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21
Q

When does the clouding of the corneas happen

A

3-4 hours

22
Q

What is clouding of the cornea

A

The corneas, the clear part of the eyes become milky and cloudy

23
Q

When does decomposition begin

A

36-48 hours

24
Q

The body turns greenish in color and may swell or bloat because bacteria is breaking down the tissue and releasing gas. It has a nasty smell.

A

Decomposition

25
Q

Insect Activity begins

A

1-145 hours

26
Q

Body Farm
What

A

A research compound where scientists study what happens to human bodies after death

27
Q

The place where donated bodies are left outside designated areas where their decay is tracked under various conditions

A

Body Farm

28
Q

Body Farm
Why

A

Collection data for forensic scientist to understand how condition affect body changes

29
Q

Timeline After Death:
Insect Activity
Temp reaches surroundings
Rigor Mortis
Rigor Fades
Fixed Livor Mortis
Decomposition

A

30 min
4 Hours
2-4 Hours
36 hours
8-10 hours
36-48 hours

30
Q

Serves as the standard of comparison and does not receive treatment

A

Control Group

31
Q

Independent Variable in the hotdog experiment

A

Temperature of the water bath

32
Q

Dependable Variable in the hotdog experiment

A

Temperature of the hot dog

33
Q

Formula to convert C to F

A

(C 1.8)+32=F

34
Q

Forensic Entomologist

A

Study arachnids such as spiders, ticks, and mites
Study insects such as flies as they pertain to the crime scene

35
Q

What are the significance of blow flies

A

Found in sites of decay. Their lifecycle are well defined, so they are good for determining time of death.

36
Q

Blow Fly Lifecycle
Eggs
First’s Instar Larve
Second Instar Larve
Third Instar Larve
Final Molt: Pupa
Adult Flys

A

First Hours
12-24 Hours
24-28 Hours
47-51 Hours
132 Hours
145 Hours

37
Q

Forensic Toxicology

A

The study of the effects of chemicals on the human body.

38
Q

Toxicologist are experts in

A

diagnosing and treating exposure to TOXINS

39
Q

Toxins can be found in the _________________ in the form of drugs.

A

digestive system

40
Q

Medical Examiners study samples of

A

POISON

41
Q

Forensic Toxicologist analyze _______________ for any substance that may have contributed to the death.

A

Tissue Samples

42
Q

Digestion breaks down food into _________ and __________ and removes the __________.
Your body uses extracted molecules to drive _______________necessary for life and supplies _______.

A

nutrients
molecules
waste
chemical reactions
energy

42
Q

The mechanical act of breaking down food into small parts like when you chew

A

Physical Digestion

43
Q

When your body uses acids and enzymes in your saliva to break up more complex carbohydrates into simple sugars your body can use

A

Chemical Digestion

44
Q

An accessory organ where food enters. It aids in digestion includes teeth, tongue and salivary glands.

A

Oral Cavity

45
Q

A muscular tube that transports food from the oral cavity to the stomach

A

Esophagus

46
Q

A muscular sac which contains enzymes and contracts rhythmically to break down food

A

Stomach

47
Q

It continues to break down food molecules and absorbs digested nutrients. Lies between the stomach and large intestine.

A

Small Intestine

48
Q

Reabsorbs water and forms feces (waste) to be released from the body. Shorter and wider than the small intestine.

A

Large Intestine

49
Q

Molecules produced as a by product of during metabolism are called __________ and can be found in __________ and __________.
Different chemicals are ____________ at different rates by the ____________.

A

Metabolites
cells and tissues
metabolized
digestive system

pbs (6 decks)

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