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foresnics 200 MASTER

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QuestionAnswer
name all 4 fingerprint types loops, arch, whorls, and complex
how can you tell hair has been pulled out? the root is bent
what would a hair thats been naturally shed look like? no bent root
what are the 3 layers of a piece of hair? the cuticle, cortex, and medulla
what is the defining characteristic between animal and human hair? the thickness of the medulla
human medulla vs animal medulla? animal medulla is thick, human is thin
what are lands in a bullet raised impressions in a gun barrel after firing
what are grooves in a bullet the recessed channel marking in gun lands after firing
what is meant by breech face marking on shell casings? microscopic marks left after firing
what is an extractor marking? scratches left on the rim of the cartridge after firing
what are the characteristics of synthetic fiber vs natural fiber? all fiber is dark, but natural is it's original color, while a synthetic fiber could appear pink but be black under microscope.
what is lividity? the pooling of blood causing purple discoloration
what is rigor mortis? stiffening of the body in death
who are the first responders? police, medical, and firefighters
what is the manner of death? what went down for the person to die (ex. suicide, murder)
what is the cause of death? how the person died (ex. blood loss, asphyxiation)
what is the role of a corner in an investigation? determine cause and manner of death along with when they died.
what does DOA mean? dead on arrival (no, not decay of angels)
what are the 3 main categories of blood splatter? passive, transfer, and projectile.
name 3 velocity types of blood splatter low (like blood dripping), medium (like from beating or stabbing), and high (like from gunshots)
how does the angle of how blood contacts a surface change the apperance shape of the blood stain becomes longer and less circular)
Created by: vivaLAHvida
 

 



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