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Anthro 198 > Module 7: Forensic Pathology > Flashcards

Module 7: Forensic Pathology Flashcards

1
Q

What is death?

A
  • Irreversible cessation of all vital functions (heartbeat, brain activity, respration)
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2
Q

Heart stops beating –> stop blood circulation and oxygen supply

A

CR Arrest

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3
Q

Loss of brain function, consciousness, no brainstem reflex

A

Brain death

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4
Q

Is brain death considered death?

A

Yes, it is a clinical death

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5
Q

Biochemical changes –> decomposition

A

Cellular and Molecular Changes

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6
Q

Signs of Death

A
  • extreme pallor/paleness on the face and lips
  • no pulse
  • no heartbeat
  • no breathing
  • no response to painful stimuli
  • no corneal reflexes
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7
Q

What happens after death?

A
  • There are observable physical changes in the first 24-48 hours after death
  • Known time interval between time of death and changes.
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8
Q

Four Postmortem Stages

A
  • Pallor Mortis
  • Algor Mortis
  • Rigor Mortis
  • Livor Mortis
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9
Q

Observations on Pallor Mortis

A
  • 15-30mins
  • paleness
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10
Q

Observations on Algor Mortis

A
  • coldness caused be absence of body temp. regulation
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11
Q

True or False
Algor Mortis is accurate too estimate time of death

A

False. The body may get cold quickly if the environment is cold.

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12
Q

Human internal body heat temp.

A

37C

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13
Q

Observations on Rigor Mortis

A
  • matigas
  • used to estimate time of death (checking of stiffed parts)
  • more reliable than algor
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14
Q

Rigorrr~~~ Timeline

A
  • Primary Flaccidity
  • Rigor Mortis
  • Secondary Flaccidity
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15
Q

Primary Flaccidity

A

-1-2 hours after death
- released of urine and gas

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16
Q

Rigor Mortis

A
  • autolysis - cell death
  • start with eyelids, fingers, and toes
  • peak: 12 hours after death
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17
Q

Secondary Flaccidity

A
  • muscle relaxation due to degeneration
  • start with eyelids, fingers, and toes
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18
Q

Observations on Livor Mortis

A
  • 15-20 mins after death; fixed after 6hrs
  • lividity due to gravity
  • development of purple color after 8-12 hrs
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19
Q

True or False
Livor mortis is visible when it starts at 15-20mins.

A

False. It starts but only visible until 2hrs.

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20
Q

True or False
Hard surface obstruct blood flow –> imprints

A

True

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21
Q

True or False
Livor Mortis is used to know cause of death

A

True

22
Q

Pathology vs Forensic Pathology

A

Both study disease or injury but FP do a postmortem examination

23
Q

True or False
Forensic pathology had training in anatomical pathology and specialized in forensic pathology but not a medical doctor

A

False. All are correct but FP is an MD.

24
Q

What are performed during postmortem examination?

A
  • autopsy
  • determing cause and possible manner of death
  • x-rays, tissue samples, bodily fluids, bacterial culture
25
Q

What is the purpose of slanted autopsy table?

A

To drain bodily fluids

26
Q

What does an autopsy report contain?

A
  • pathological process, injury, disease –> death
  • manner of death
27
Q

Immediate cause of death

A
  • final boss (disease, injury, complication)
28
Q

Antecedent cause of death

A
  • what cause the final boss to awake
29
Q

Underlying cause of death

A
  • cause of antecedent cause of death
  • if this did not happen, then no death will happen
30
Q

Natural manner of death

A
  • by disease or natural process
31
Q

Homicide (manner of death)

A
  • killing of a human being by another
32
Q

Homicide: Murder

A
  • sinadya, planned, premediated
33
Q

Homicide: Manslaughter

A
  • in the heat of a moment, during disagreement
34
Q

Homicide: Self-defense

A
  • protecting oneself/family
35
Q

Accidental

A
  • aksidente
36
Q

Suicide

A
  • intentional
37
Q

How to prove that one commited suicide?

A
  • intention of the person should be proven
38
Q

Undetermined

A
  • no sufficient evidence –> no determined manner of death
39
Q

Step 1

A
  • external examination.
  • measure the body including weight.
  • check for bruises, abrassions, cuts, marks, tattoos, clothes, smell, etc.,
  • check if there is signs of moving the body
  • checking rigor and livor mortis
40
Q

Step 2

A
  • internal examination
  • Y cut/incision, shoulder to pubic bone
41
Q

Step 3

A
  • viewing of internal organ
  • ribs sawn, sternal plate remove
42
Q

Step 4

A
  • removal of organ using Rokitansky method
43
Q

Step 5

A
  • removal of brain
  • cut from back of scalp, then pull forward
  • cut skull using vibrating saw
44
Q

How many percent of formalin solution brain is stored?

A

20%

45
Q

Step 6

A
  • weigh the organs excepts intestine and stomach
  • undigested food and feces are examined
46
Q

Step 7

A
  • returning of organs
47
Q

Step 8

A
  • sewing up like a stitch on a baseball
48
Q

Clinical Pathology

A
  • Hemopathology
  • Cytogen/Molecular genpath
49
Q

Anatomic Pathology

A
  • Surgical Pathology
  • Cytopath
  • Forensic Pathology
50
Q

Congrats finished ka na

A

Anthro 198 (13 decks)

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