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Principles of Postmortem Changes Quiz

#1

Which of the following is NOT a postmortem change?

Pallor mortis
Explanation

Pallor mortis is a pre-mortem change indicating paleness, not a postmortem change.

#2

Which postmortem change refers to the cooling of the body after death?

Algor mortis
Explanation

Algor mortis refers to the cooling of the body post death.

#3

Which postmortem change involves the relaxation of muscles after death?

Rigor mortis
Explanation

Rigor mortis involves muscle stiffening post death.

#4

Which of the following is NOT a stage of decomposition?

Mummification
Explanation

Mummification is not a stage of decomposition but rather a preservation process.

#5

Which postmortem change results in the stiffening of muscles after death?

Rigor mortis
Explanation

Rigor mortis causes muscle stiffness post death.

#6

Which postmortem change is commonly used to estimate the time of death?

Algor mortis
Explanation

Algor mortis, the cooling of the body, helps estimate time of death.

#7

Which enzyme is responsible for initiating autolysis during decomposition?

Protease
Explanation

Protease initiates autolysis by breaking down proteins.

#8

Which of the following factors does NOT affect the rate of decomposition?

Cause of death
Explanation

The cause of death does not affect the rate of decomposition.

#9

What is the primary gas produced during the early stages of decomposition?

Methane
Explanation

Methane is the primary gas produced during early decomposition.

#10

What is the term for the process of insect activity on a corpse?

Entomology
Explanation

Entomology deals with insect activity on a corpse.

#11

What is the term for the breakdown of red blood cells after death?

Hemolysis
Explanation

Hemolysis refers to the breakdown of red blood cells after death.

#12

Which of the following factors can accelerate the rate of decomposition?

High humidity
Explanation

High humidity accelerates the rate of decomposition.

#13

Which postmortem change results in the settling of blood in the lower parts of the body?

Livor mortis
Explanation

Livor mortis results in the settling of blood in lower body parts due to gravity.

#14

What is the main purpose of estimating the postmortem interval?

To estimate time of death
Explanation

Estimating postmortem interval helps determine the time of death.

#15

What is the primary source of heat loss in a deceased body?

Evaporation
Explanation

Evaporation is the primary source of heat loss in a deceased body.

#16

What role does DNA analysis play in postmortem investigations?

Confirming the deceased's identity
Explanation

DNA analysis confirms the identity of the deceased in postmortem investigations.

#17

Which environmental factor is least likely to affect the rate of decomposition?

Altitude
Explanation

Altitude has minimal effect on the rate of decomposition.

#18

Which of the following postmortem changes is irreversible?

Decomposition
Explanation

Decomposition, the breakdown of tissues, is irreversible.

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