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FORENSIC > JURISPRUDENCE > Flashcards

JURISPRUDENCE Flashcards

1
Q

Appearence of Maggots

A 
feature of putrefication
helps estimate time since death
18-36hrs = eggs layed
24hrs= hatch
3-5days=pupa
4-5days=adult
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2
Q

Forensic ENTOMOLOGY

A

study of insects that infest a dead body is known as forensic entomology

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3
Q

LATE SIGNS OF MOLECULAR DEATH

A

PAM
PUTREFICATION
ADIPOCERE FORMATION
MUMMIFICATION

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4
Q

PUTREFICATION

A

Stiffening due to accumulation of putrefactive gases in the tissue , which causes FALSE RIGIDITY resulting in stiff limbs

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5
Q

factors responsible of putrefication

A

Autolysis (3-4 hrs death upto 2-3days)

bacterial action

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6
Q

ADIPOCERE FORMATION

A

synonym saponification
modification of putrefication process
fatty tissues of the body=hydrolysed into fatty acids

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7
Q

ML importance of ADIPOCERE FORMATION

TCIB mnemonic

A

TCIB mnemonic

T= time since death 
C= cause of death
I =  Identity of the person
B = burial place
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8
Q

time required for adipocre formation

A

3-6 weeks

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9
Q

MUMMIFICATION

A

late sign of molecular death
definition
in which there is dehydration or desiccation of body tissue and viscera after death

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10
Q

mummification vs adipocere

A

mummification dehydration of body tissue or viscera fter death

adipocere fatty tissues of body hydrolysed into fatty acids

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11
Q

ML IMP OF MUMMIFICATION

A

Same as adipocere formation

TCIB

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12
Q

EMBALMING

A

artificial mummified bodies for purpose of preservation

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13
Q

Natural preservatives

A

Adipocere formation

Mummification

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14
Q

artificial preservation

A

Embalming

cold storage

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15
Q

TIME SINCE DEATH factors responsible

A 
cooling of the body
post mortem lividity
Rigor mortis
decomposition changes
Content of stomach and bowels
content of Urinary bladder
biochemical changes
circumstantial evidence
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16
Q

Post mortem calarocity def

and occurence

A

phenomenon in which body temperature of corpse rises or remains usually high for upto 2hrs

occurs in bodies who suffered voilent muscle contraction at time of death
asphysxial deaths
tetanus
strychnine poisoning
acute bacterial infections or viral infections

17
Q

post mortem lividity

A

PML is the purplish discoloaration the skin of the dependent parts of the body after death

due to accumilation of fluid blood in toneless capillaries and small veins of the skin and organs

mechanism
due to blood gravitating and distending the toneless capillaries and small veins
fixaton of PML is due to stagnation of blood and not due to coagulation

18
Q

PML ML IMPORTANCE

MNEMONIC STPCM

A 
sign of death
time since death
position
cause of death
mode of death
19
Q

PML relation to tsd

A

first 1-3hrs= mottled patches
next 3-6hrs= bigger patches
next 6-8hrs=fixed and fully developed patches

20
Q

martch of RIGOR MORTIS

A

12hrs= developing phase
12hrs= persist, static phase
12hrs=passing off phase

21
Q

muscular changes in molecular death(early sign)

A

primary relaxation
rigor mortis
secondary relaxation

22
Q

rigor mortis definition

A

it is a condition characterized by stiffening , shortning and opacity of the muscles which follow the period of primary relaxation after death

23
Q

conditions stimulating rigor mortis

A

heat coagulation / heat stiffening
freezing or cold stiffening
putrefication
cadaveric spasm

24
Q

cadaveric spasm

A

a condition characterized by stiffening of the mucles immediately after death
WITH OUT THE PRIMARY RELAXATION STAGE unlike rigor mortis

25
Q

MARBLING

A

it is a condition in which the superficial veins appear as purplish or bluish lines in a specific mosaic or arborescent pattern

26
Q

cause of marbling

time period and content of vessels

A

cause=deposition of pigments from decomposing blood in the vessel wall

time period=24hrs commences, 36hrs is prominent

27
Q

content of vessels

A

gas bubbles and hemolysing blood

28
Q

PUTREFICATION GASES

A 
hydrogen sulfide
ammonia
carbondioxide
methane
phophorated hydrogem
29
Q

SOMATIC DEATH

A

it is the complete and irreversible cessation of vital function of brain , heart , lungs .
life ceases in the body but persists in its component parts i.e tissue and cells

30
Q

immediate signs of somatic death

A

INSENSIBILITY AND LOSS OF EEG RYTHM
CESSATION OF CIRCULATION/LOSS OF ECG RYTHM
CESSATION OF RESPIRATION

31
Q

TEST FOR LOSS OF CIRCULATION

A 
IMAGE pg 77
Heat test
Artery incision
Magnums ligature Test
Icards Flourescein test
Diaphanous Test
32
Q

TEST FOR CESSATION OF RESPIRATION

A

Winslow glass water test
Mirror test
Feather test or cotton fiber test

33
Q

MOLECULAR DEATH

A

Death of tissues and cells individually

loss of life in component parts of the body and generally completes 3-4hrs of somatic death

34
Q

MOLECULAR death early signs

A 
EYE CHANGES
SKIN CANGES
COOLING OF THE BODY
POST MORTEM LIVIDITY
MUSCULAR CHANGES( prim relax, rigor mortis, sec relax)
35
Q

bruise vs post mortem lividity

A

image pg 83

36
Q

PML TRIVIA

A

disperses with onset of putrefication
cant be appreciated well in dark colored subjects
pml not develop if body is tossed around continuosly as seen in fast flowing river or sea waters
may be seen in non dependent areas cuz of muscle dvelopin rigor mortis
also seen in dependent parts of internal organs

FORENSIC (4 decks)

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