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WorksheetsBlood Spatter Review
Total questions: 25
Worksheet time: 15mins
Name
Class
Date
1.
What type of blood spatter pattern is shown here?
a)
Terminal velocity
b)
High velocity
c)
Medium velocity
d)
Low velocity
2.
What would cause high velocity blood spatter?
a)
Baseball bat
b)
Human hand
c)
Car collision
d)
Gunshot
3.
What would cause medium velocity blood spatter?
a)
Baseball bat
b)
Human hand
c)
Hand grenade
d)
Gunshot
4.
What would cause low velocity blood spatter?
a)
Baseball bat
b)
Gun shot
c)
Hand grenade
d)
Gravity
5.
What type of surface did this blood most likely fall on?
a)
Semi-porous surface
b)
Smooth surface
c)
Carpet
d)
Rough surface
6.
How would you describe this blood stain?
a)
Wipe
b)
Swipe
c)
Cast off
d)
Transfer
7.
What type of blood spatter is this?
a)
High velocity
b)
Aerated
c)
Arterial
d)
Transfer
8.
If a drop of blood falls at a 90 degree angle, what shape would the spatter have?
a)
Round
b)
Teardrop
c)
Oval
d)
Depends on the surface
9.
If a blood cell has B-antigen and Rh-antigen which blood type would it be?
a)
A+
b)
B+
c)
A-
d)
B-
10.
If a blood sample clotted when both A-antiserum & B-antiserum were added, what type of look would it be?
a)
A
b)
B
c)
AB
d)
O
11.
Which blood type is the universal donor?
a)
A
b)
B
c)
AB
d)
O
12.
Which of the following does NOT affect blood stain shape?
a)
Texture of target surface
b)
Size of droplet
c)
Speed at which the blood left the original surface
d)
Blood type
13.
Which animal does this blood belong to?
a)
Camel
b)
Fish
c)
Bird
d)
Human
14.
_____ are found directly on the surface of red blood cells
a)
Antigens
b)
Antibodies
c)
Nothing
d)
Both Antigens & antibodies
15.
Blood that is thrown from an object in motion
a)
Passive blood
b)
Contact stain
c)
Cast off
d)
Arterial spurt
16.
Blood that falls only due to the force of gravity
a)
Aerated blood
b)
Passive blood
c)
Projected blood
d)
Arterial spurt
17.
Blood stain resulting from blood exiting the body under pressure from a breached artery
a)
Aerated blood
b)
Arterial spurt
c)
Cast off
d)
Contact stain
18.
Blood that contains bubbles created by lung wounds or vomiting
a)
Cast off
b)
Arterial spurt
c)
Projected blood
d)
Aerated blood
19.
Blood stains caused by contact between a wet, blood-bearing surface and a second surface
a)
Contact stain
b)
Cast off
c)
Passive blood
d)
Aerated blood
20.
Created when an exposed blood source is subjected to an action or force greater than the force of gravity
a)
Passive blood
b)
Cast off
c)
Arterial spurt
d)
Projected blood stain
21.
Serology is the study of
a)
Blood
b)
Body fluids
c)
Serum
d)
Water
22.
What does it mean to be secretor?
a)
Blood type antigens are secreted through the skin
b)
Blood type antigens are completely lacking
c)
Blood type antigens are found in other body fluids
d)
Blood type antigens are found only in the blood plasma
23.
What chemical test is used to determine the presence of semen at a crime scene?
a)
PSA
b)
Luminol
c)
Kastle-meyer color test
d)
Acid phosphotase color test
24.
Examination of blood spatter cannot be used to determine
a)
Number of blows/shots
b)
Position of victim and assialant
c)
Motive of assailant
d)
Origin of blood stain
25.
Area of convergence for blood spatter can be determined by
a)
Measuring the length and width of the various blood droplets
b)
Drawing lines through the various blood droplets to the point where they meet
c)
Drawing lines through the various blood droplets to the point where they separate
d)
Looking at the blood droplets and getting a general idea
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