Q. What is rigor mortis primarily caused by?
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A.
Depletion of ATP
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B.
Bacterial activity
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C.
Dehydration of tissues
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D.
Increased body temperature
Solution
Rigor mortis occurs due to the depletion of ATP, which is necessary for muscle relaxation.
Correct Answer:
A
— Depletion of ATP
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Q. What is the primary cause of livor mortis?
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A.
Gravity
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B.
Bacterial action
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C.
Dehydration
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D.
Temperature changes
Solution
Livor mortis is primarily caused by gravity, which causes blood to settle in the lowest parts of the body.
Correct Answer:
A
— Gravity
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Q. What is the primary postmortem change that occurs within the first few hours after death?
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A.
Rigor mortis
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B.
Livor mortis
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C.
Algor mortis
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D.
Decomposition
Solution
Algor mortis refers to the cooling of the body after death, which begins within a few hours.
Correct Answer:
C
— Algor mortis
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Q. What is the term for the breakdown of body tissues after death?
-
A.
Autolysis
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B.
Putrefaction
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C.
Decomposition
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D.
Necrosis
Solution
Putrefaction is the process of decay or rotting in a body, primarily due to bacterial action.
Correct Answer:
B
— Putrefaction
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Q. What is the typical time frame for rigor mortis to fully develop after death?
-
A.
1-2 hours
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B.
6-12 hours
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C.
24-36 hours
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D.
48-72 hours
Solution
Rigor mortis typically begins to develop within 6-12 hours after death and can last for 24-36 hours.
Correct Answer:
B
— 6-12 hours
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Q. Which of the following factors can influence the onset of postmortem changes?
-
A.
Age of the deceased
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B.
Cause of death
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C.
Environmental conditions
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D.
All of the above
Solution
All of the above factors can influence the onset and progression of postmortem changes.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common postmortem change observed in the liver?
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A.
Cirrhosis
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B.
Fatty change
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C.
Postmortem hypostasis
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D.
Hemorrhage
Solution
Postmortem hypostasis refers to the pooling of blood in the liver, which is a common observation after death.
Correct Answer:
C
— Postmortem hypostasis
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Q. Which of the following is NOT a factor affecting the rate of rigor mortis?
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A.
Ambient temperature
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B.
Body mass
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C.
Time of death
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D.
Presence of disease
Solution
The time of death is not a factor affecting the rate of rigor mortis; rather, it is influenced by temperature, body mass, and other conditions.
Correct Answer:
C
— Time of death
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Q. Which postmortem change can be accelerated by high environmental temperatures?
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A.
Rigor mortis
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B.
Livor mortis
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C.
Algor mortis
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D.
Decomposition
Solution
Decomposition can be accelerated by high environmental temperatures, promoting bacterial growth.
Correct Answer:
D
— Decomposition
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Q. Which postmortem change is characterized by the settling of blood in the dependent parts of the body?
-
A.
Rigor mortis
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B.
Livor mortis
-
C.
Algor mortis
-
D.
Decomposition
Solution
Livor mortis is the pooling of blood due to gravity, leading to a purplish discoloration of the skin.
Correct Answer:
B
— Livor mortis
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