Bloodstain

Question 1

surface that produces less patter results

Answer 1

harder and less porous

Question 2

production of spines and small spatters around the periphery of the central bloodstain comes from

Answer 2

rough textures

Question 3

blood to tissues

Answer 3

• oxygen
• electrolytes
• nourishment
• hormones
• vitamins
• antibodies

Question 4

tissues to blood

Answer 4

waste products

Question 5

healthy adults contain how much blood

Answer 5

4.5-6 liters

Question 6

impact spatter

Answer 6

object impacts a source of blood

Question 7

forward spatter

Answer 7

projected outward and away from the source

Question 8

if the bullet does not exit the body a gunshot only produces

Answer 8

back spatter

Question 9

back spatter

Answer 9

projected backward from source

Question 10

Sin A=

Answer 10

width of bloodstain/length if bloodstain

Question 11

low velocity

Answer 11

4 mm or more

Question 12

medium velocity

Answer 12

1-4 mm

Question 13

high velocity

Answer 13

less than 1 mm

Question 14

impact spatter associated with gunshots

Answer 14

• mist-like dispersion
• wide size range

Question 14

contact deposit patterns

Answer 14

• wipe and swipe
• arterial
• cast off
• secondary spatter

Question 15

impact spatter associated with stabbing

Answer 15

• size 1-3 mm
• exposed blood must be present
• number of blows have an effect on the pattern

Question 16

significance of satellite spatter

Answer 16

• smaller droplets of blood that have detached from the main blood volume at the moment of impact
• mechanisms of this spatter should be thoroughly explored

Question 17

expiated bloodstain patterns

Answer 17

forcefully expelled from the mouth or nose

Question 18

area of convergence

Answer 18

the point on a 2-D plane from which the drops in an impact pattern originated

Question 19

area of origin

Answer 19

point in 3-D space from where the blood was projected
- will show position of victim

Question 20

void pattern

Answer 20

created when an object blocks the deposition of blood spatter onto a target surface or object

Question 21

documentation

Answer 21

more than one form
-photographs
- video
- diagrams
- notes

Question 22

training

Answer 22

• wide range of backgrounds
• 40 hour course
• membership- IABPA