Blood spatter Exam Study Questions Solved 100% Correct
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Blood Spatter Analysis
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Blood Spatter Analysis
what is the relationship between the size of blood drops formed due to gravity and a
greater force? - Answer the greater the force, the smaller the drops
what is the terminal velocity of a 0.05mL drop? - Answer 25 feet per second
what holds the blood together during its flight? - Answer surface ...
Blood spatter Exam Study Questions Solved
100% Correct
what is the relationship between the size of blood drops formed due to gravity and a
greater force? - Answer the greater the force, the smaller the drops
what is the terminal velocity of a 0.05mL drop? - Answer 25 feet per second
what holds the blood together during its flight? - Answer surface tension
what effect will a rough surface have on the drop when it hits? - Answer it will cause a
larger stain and more likely break the drop
what shape will a blood drop have in a perpendicular collision? - Answer round
how does velocity affect a stain? - Answer the higher the velocity, the larger the stain
velocity is usually much less important to the size of the stain than... - Answer surface
texture
what are the 2 classifications of origin of blood stains? - Answer blood in flight or direct
transfer
3 differences between a low velocity bloodstain and a high velocity bloodstain - Answer
-low velocity results from blood drops formed by only the force of gravity
-high velocity drops cause bigger stains
-low velocity stains have a volume of 0.05mL always
, list the types of bloodstains formed by direct transfer - Answer -transferred blood
-smeared blood
-absorbed blood
-running blood
-pooled blood
list types of bloodstains from blood in flight - Answer -low velocity
-medium velocity
-high velocity
-cast off blood
-blood on blood
how does the clotting of blood appear at a crime scene? - Answer the blood retracts
from the edges, leaving the yellow serum
what can be determined due to the degree of serum separation in clotting bloodstains?
- Answer the time of pooling
list 3 types of chemical tests to identify blood. - Answer luminol, ortho-tolidine, and
phenolphthalein
is the evidence of blood spatter regarded as overwhelming evidence in most courts of
law? - Answer no because 2 experts may come to different conclusions
red blood cells - Answer produced in bone marrow and contain hemoglobin that carries
oxygen to cells
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