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Changes after death Thanatology Practice Questions and Answers Latest Update Graded A+ $7.99   Add to cart

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Changes after death Thanatology Practice Questions and Answers Latest Update Graded A+

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Changes after death Thanatology Practice Questions and Answers Latest Update Graded A+ Immediate changes - Answers - Insensibility and absence of EEG rhythm - Cessation of respiration - cessation of circulation Early changes - Answers - facial pallor - primary flaccidity of muscles - eye chan...

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  • October 21, 2024
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Changes after death Thanatology Practice Questions and Answers Latest Update Graded A+

Immediate changes - Answers - Insensibility and absence of EEG rhythm

- Cessation of respiration

- cessation of circulation

Early changes - Answers - facial pallor

- primary flaccidity of muscles

- eye changes

- algor mortis

- livor mortis

- rigor mortis

- biochemical changes in blood and body fluids

Late changes - Answers - putrefaction

- adipocere

- mummification

-entomology

Importance of time since death- criminal cases - Answers the accurate determination of time since
death may either inculpate or exonerate the suspect

changes in the eye - Answers 1. loss of corneal reflex

2. opacity of cornea

3. flaccidity of eyeball

4. pupils

5. retinal vessels

6. chemical changes

Loss of corneal reflex - Answers - found in all cases of deep insensibility

- eg narcotic poisoning

not reliable sign of death

, Opacity of cornea - Answers - cornea loses it glistening

- hazy cornea

-'Taches noire de la sclerotique;

- if eyelids are open after death, deposition of cell debris, mucus,

- triangular zone of reddish brown discolouration (taches noire)

'Taches noire de la sclerotique' - Answers - triangular zone with reddish brown discolouration with its
base at the periphery of cornea

Flaccidity of the eyeball - Answers - eye looks sunken and soft

- reduction of intraocular tension

- intraocular tension during life : 14- 25 gm

< 3 gm (within 1/2 hour)

- 0 by the end of 2 hours

Changes in the pupils - Answers - slightly dilated soon after death

- later, constricted because of rigor mortis of the constrictor muscle

Retinal vessels - Answers - trucking (rail roading)

- because of the fragmentation or segmentation of the blood columns seen in the retinal vessels after
death

- visualized by fundoscopic examination due to loss of blood pressure

First- 2 hrs- pale retina

6 hrs - disc outline hazy

7-10 hrs- blurred

Chemical changes - Answers a steady rise in the potassium values occurs in the vitreous humour after
death

Algor Mortis - Answers -Cooling of body/ Chill of Death

- body temperature falls down after death

- loses heat by conduction, convection, radiation

- rate of cooling can be measured to determine time since death

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