HORTICULTURE

HORTICULTURE SCIENCE

ENTOMOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many hours does it take livor mortis to be fully settled? (Choose the best answer choice)
A
Five hours
B
12 hours
C
Two hours
D
Six hours
Explanation: 

Detailed explanation-1: -Livor mortis usually sets in 20 to 30 minutes after death and increases in intensity until it becomes fixed at about 12 hours.

Detailed explanation-2: -The first signs of livor mortis can be observed after approximately 1 h after death, reaching its maximum around 2–4 h. At this time point the blood is still liquid allowing the marks the removed once pressure is relieved. After, 9–12 h the marks caused by settling of the blood are permanent (Goff, 2009).

Detailed explanation-3: -Livor mortis: the first stage of changes after death. Algor mortis: the second stage of changes after death. Rigor mortis: the third stage of changes after death.

Detailed explanation-4: -Algor mortis is applicable largely up to 24 h after death (Mathur and Agrawal, 2011). In this process, cadaver temperature decreases gradually by convection, radiation, conduction, and fluid evaporation (Myburgh, 2010) until it reaches an equilibrium with the environment often after 18–20 h (Fisher, 2004).

Detailed explanation-5: -The liver mortis or postmortem staining generally appears over dependent parts of the body within ½-1 hour of death and gets fixed within 6 to 8 hrs after death.

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