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Animal Species Forensic Examination Quiz

16 Questions

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Animal Species Forensic Examination Quiz

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Questions and Answers

Which factor affects the color of a blood stain?

Thickness of the stain (correct)

Age of the victim

Temperature of the environment

Type of weapon used

Why is the examination of blood stains important in criminal cases?

To analyze the physical, chemical, and microscopical characteristics of the blood (correct)

To identify the assailant based on the blood stain

To establish whether the blood is from a human or an animal

To determine the age of the blood stain

What does a yellow blood stain indicate?

Fresh blood containing oxy Hb

Old blood containing meta Hb

No significant information can be inferred from a yellow blood stain (correct)

Presence of foreign substances in the blood

What aspect of blood character is examined based on its solubility?

Chemical character Signup and view all the answers

What is the purpose of examining the shape of a blood stain?

To confirm if it is human blood or not Signup and view all the answers

What is the color of arterial blood?

Bright red due to deoxygenated hemoglobin Signup and view all the answers

Which factor affects the color of very old blood stains?

Weather condition Signup and view all the answers

Which type of blood contains placental cells?

Blood from abscess Signup and view all the answers

What is the characteristic offensive odor of menstrual blood?

Offensive odor Signup and view all the answers

What does post mortem blood clotting time indicate?

Does not clot due to the secretion of fibrinolysin Signup and view all the answers

Which solvent is suitable for extracting fresh blood stains?

(oxy Hb) : distilled water or saline Signup and view all the answers

What shape does a stable source of blood create?

Rounded Signup and view all the answers

What solvent is suitable for old blood stains on leather and wood?

Weak Ammonia Signup and view all the answers

How does blood on a dark surface change color?

No red color can be seen at any time Signup and view all the answers

What is the color of blood from an abscess?

(Hb) changed to acid hematin and contains food particles Signup and view all the answers

What is the shape of a source at a height greater than 100cm?

(serrated with small spots around) Signup and view all the answers