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PBD II Exam 1 > Forensic Topics > Flashcards

Forensic Topics Flashcards

1
Q

cause of death

A

why

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2
Q

mechanism of death

A

how

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3
Q

manner of death

A

NASHU

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4
Q

NASHU

A 
natural
accident
suicide
homicide
undetermined
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5
Q

physician can sign out

A

only can sign out natural death

everything else medical examiners

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6
Q

time of death

A

cannot be defined in a limited frame

-often based on scene when person last seen

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7
Q

rigor mortis

A

after 2-3 hours at room temp.

  • peaks at 24 hours
  • then flaciddity
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8
Q

putrefactive decomposition

A

several days - room temp

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9
Q

justice of peace, coroners, MEs, CSIs, police

A

medical examiner

-cause, mechanism (maybe), and manner of death

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10
Q

forensic medicine

A

focus not natural death

-rule out foul play

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11
Q

medical examiner

A

no duty to family

-but to society

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12
Q

why do an autopsy

A

adds to case

  • anyone can claim anything
  • need solid evidence
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13
Q

wounding formula

A

W = E x 1/T x 1/A x K

inverse to time and area**

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14
Q

blacks and suicide

A

uncommon

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15
Q

highest death rates

A

blacks
-injuries, cancer, homicide, HIV

but no suicide

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16
Q

more young men from 15-34

A

more violent crime

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17
Q

abrasion

A

scrape

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18
Q

contusion

A

bruise

  • epidermis intact
  • does not bleed externally
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19
Q

laceration

A

from blunt force

  • splits skin
  • have bridging tissue
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20
Q

stabbing/cutting

A

incise wounds

-not really lacerations

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21
Q

ionizing radiation

A

causes leukemias and lymphomas

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22
Q

household current

A

can electrocute

-construction worker who is sweating working on house

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23
Q

cardiac arrest

A

not cause of death

-mechanism

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24
Q

shock

A

not cause of death

-mechanism

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25
Q

exanguination

A

not cause of death

-mechanism

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26
Q

if you can say due to

A

haven’t gotten to cause of death

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27
Q

HIV patient

A

lymphoma > infection > death

cause of death - AIDs
mechanism of death - septic shock

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28
Q

AIDs

A

can be cause of death

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29
Q

wounds from blunt force

A

abrasion
contusion
laceration

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30
Q

skull of children

A

harder to fracture

-so you know there is lots of force

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31
Q

velocity

A

more important than mass

-fast small bullet more damaging than slow large bullet

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32
Q

contusion severity

A 
force
vascularity
type of tissue
location of tissue
bruisability
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33
Q

yellow bruise

A

presence indicates bruise is 18 hours or older**

blue, purple, red don’t assist in dating bruise

brown is mix of colors

34
Q

abrasion

A

damaged epidermis

friction scraping away epidermis

oozes serum or blood

gliding - can be bad - ex. motorcycle accident

35
Q

gliding abrasion

A

force is tangential to body surface

-rolls or heaps of tissue at wound margin

36
Q

patterned abrasion

A

can be useful in forensics

abrasion recapitulate the surface appearance of the instrument

37
Q

dicing injuries in vehicle accidents

A

windshield are different than passenger windows

passenger window - dicing injuries

38
Q

stab wound

A

sharp force injury where depth is greater than length of wound

deeper than longer

knives, scissors, screwdrivers, etc.

39
Q

ice pick under skull

A

unmistakable when you look at autopsy

40
Q

civilian knives

A

single edged

should have blunt squared off side

41
Q

military knives

A

double edged

42
Q

overkill

A

means this was something personal

often - to face

43
Q

high velocity

A

exit larger than entrance

44
Q

low velocity

A

exit and entrance similar size

45
Q

shored

A

bullet restricted from exiting

exit looks like entry

46
Q

head shots

A

sharp outer table
beveled inner table

opposite for exit wound

47
Q

suicide

A

often contact range gunshot

48
Q

hot enough brain

A

head will explode

49
Q

macro at crime scene

A

survey, document, safeguard live persons first

50
Q

micro at crime scene

A

bio materals, specimin retrieval

51
Q

civilian knife

A

blunt side

52
Q

military knife

A

two sharp cutting edges

53
Q

cuts only on bony prominences

A

likely a fall

54
Q

algor mortis

A

cooling of body

55
Q

rigor mortis

A

stiff

56
Q

livor mortis

A

blood sinks to lower parts of body

57
Q

mummification

A

dry climates

58
Q

adipocere formation

A

body in water for a long time

-skin erodes - fat covers body

59
Q

increasing drug resistance

A

bacteria, rickettsia, and viruses are 80% of emerging infectious diseases

60
Q

common infection after burn

A

pseudomonas aeruginosa

61
Q

intermediate gun shot wound

A

not likely a suicide

think homicide

62
Q

tardieu spots

A

subdural or pleural petchiae

individuals who have been strangled

63
Q

US homicide

A

highest in males 15-34

64
Q

putrefactive decomposition

A

GI bacteria cause putrefaction of body wall

-RLQ - cecum first

65
Q

ischemic brain with CO poison

A

basal ganglia

66
Q

mercury detox

A

intracellular glutathione

67
Q

vinyl chloride

A

angiosarcoma of liver

68
Q

bleomycin

A

interstitial fibrosis of lung

chronic effect*

69
Q

radiation complication

A

aplastic anemia

acute effect*

70
Q

thimerosol

A

in vaccines
-thought to cause autism

probably wrong

71
Q

cause of death

A

myocardial infarction

72
Q

mechanism of death

A

cardiac arrhythmia

73
Q

ecognine

A

metabolite of cocaine

74
Q

eading cause of death in infants 1 month to 1 year

A

SIDS

yes legitimate COD

75
Q

most common morph finding in child dying of SIDS

A

astrogliosis in brain stem

76
Q

subsequent SIDS sibling

A

increased risk

77
Q

most common tumor of infancy

A

hemangioma

78
Q

sudden death in child less than 1 year not due to SIDS likely

A

infection

79
Q

teratoma before 4 months

A

likely benign

80
Q

blasts in peripheral blood

A

never normal

-likely B cell ALL

81
Q

severe classes of CF

A

1, 2, 3

82
Q

smoker

A

cardiac arrhythmia

-decreases threshold for ventricular fib

PBD II Exam 1 (14 decks)

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