Blood Spatter Analysis Exam 2024| Questions with 100% Correct Answers
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Blood Spatter Analysis
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Blood Spatter Analysis
cast-off blood - Answer blood flung from an object due to centrifugal force
when is cast-off blood typically seen? - Answer when attacker uses weapon to deliver
series of arcing blows
where is cast-off blood typically seen? - Answer walls and ceilings
cast-off blood pattern tends to be a unifor...
Blood Spatter Analysis Exam 2024| Questions
with 100% Correct Answers
cast-off blood - Answer blood flung from an object due to centrifugal force
when is cast-off blood typically seen? - Answer when attacker uses weapon to deliver
series of arcing blows
where is cast-off blood typically seen? - Answer walls and ceilings
cast-off blood pattern tends to be a uniform trail of droplets which reflect... - Answer
arc in which object traveled
number of cast-off patterns indicates - Answer minimum number of blows to the victim
*could be more but never less
determining point of convergence and angle of impact of cast-off stains can reveal what
about the assailant? - Answer assailant's position at the time weapon was swung
can you estimate the height and hand which delivered the blow? - Answer in some cases
this type of spatter occurs from objects moving between 5 and 100ft/second - Answer
medium velocity spatter
what sizes are medium velocity spatter typically? - Answer smaller than low velocity (1-
4mm)
, medium velocity spatter is created by what mechanisms? - Answer impacts with blunt
or sharp objects and possibly expirated blood
spatter from this type of object distributes blood in all directions from area of impact -
Answer blunt objects
analysis of directionality and impact angle of stains can help determine this - Answer
point of origin
this type of spatter results from an object striking victim at speed faster than
100ft/second or from expirated blood - Answer high velocity
average size of high velocity spatter - Answer less than 1mm - mist like stains
most high velocity spatter is associated with this type of mechanism - Answer gunshots -
appearing near entrance and exit wounds
*w/ gunshot wounds, fine spatters behave differently depending on whether bullet is
entering or exiting body
back spatter/blow back - Answer blood stain associated with entrance wound
with back spatter, droplets travel in what direction? - Answer droplets travel in opposite
direction of path of bullet
back spatter is often found where? - Answer on shooter or weapon
if very close range, back spatter may be found where? - Answer in barrel of gun
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