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WorksheetsChapter 8 Blood and Blood Spatter
Total questions: 56
Worksheet time: 50mins
Name
Class
Date
1.
Blood typing provides:
a)
Class evidence
b)
Individual evidence
2.
I am the 'liquid' portion of blood.
a)
Erythrocytes
b)
Thrombocytes
c)
Leukocytes
d)
Plasma
3.
RED BLOOD CELLS.
a)
Erythrocytes
b)
Thrombocytes
c)
Leukocytes
d)
Plasma
4.
WHITE BLOOD CELLS
a)
Erythrocytes
b)
Thrombocytes
c)
Leukocytes
d)
Plasma
5.
CLOTTING CELLS.
a)
Erythrocytes
b)
Thrombocytes
c)
Leukocytes
d)
Plasma
6.
Which test is used to determine if a blood sample is human?
a)
Kastle-Meyer
b)
Luminol
c)
Precipitin
d)
Huminal
7.
Who discovered the ABO and Rh blood groups?
a)
Oliver
b)
Decastello
c)
Landsteiner
d)
Balthazard
8.
Small secondary droplets around the main blood spatter drop are called:
a)
Spikes
b)
Splats
c)
Satellites
d)
Gushes
9.
What blood spatter pattern is created when a source of blood remains stationary over a surface causing an accumulation of blood?
a)
Saturation
b)
Flow
c)
Pool
d)
Drip Pattern
10.
What blood spatter pattern is seen in the picture?
a)
Transfer/Contact
b)
Swipe
c)
Wipe
d)
Saturation
11.
Discovered the Rh factor while studying the blood of Rhesus monkeys.
a)
Karl Landsteiner
b)
Sir William Osler
c)
Sir Alec Jeffreys
12.
This blood type makes up 43% of the US population.
a)
A
b)
B
c)
AB
d)
O
13.
This blood type makes up 42% of the US population.
a)
A
b)
B
c)
AB
d)
O
14.
This blood type makes up 12% of the US population.
a)
A
b)
B
c)
AB
d)
O
15.
This blood type makes up 3% of the US population.
a)
A
b)
B
c)
AB
d)
O
16.
If a red blood cell has no antigens on its surface, what is its blood type?
a)
A
b)
B
c)
AB
d)
O
17.
If a red blood cell has antigen A on its surface, what is its blood type?
a)
A
b)
B
c)
AB
d)
O
18.
If a red blood cell has antigen A and antigen B on its surface, what is its blood type?
a)
A
b)
B
c)
AB
d)
O
19.
What type of blood is the universal donor?
a)
AB+
b)
AB-
c)
O+
d)
O-
20.
What antigens are present in a person with type B- blood?
a)
B, only
b)
B and Rh
c)
A and Rh
d)
A, only
21.
What types of antibodies are found in a person with AB- blood?
a)
None
b)
Anti-Rh, only
c)
Anti-A and Anti-B
d)
Anti-A,
22.
Antibodies are shaped like
a)
The letter T
b)
Cirlces
c)
The letter Y
d)
The a infected cell
23.
What type of blood cells produce antibodies as part of the immune response?
a)
red blood cells
b)
white blood cells
c)
platelets
d)
plasma
24.
When the wrong type of blood is introduced into the human body, B lymphocytes make specific antibodies against the proteins of the wrong blood.
a)
True
b)
False
25.
The process of antibodies binding to antigens causing erythrocytes to clump:
a)
aplastic anemia
b)
polycythemia
c)
agglutination
d)
coagulation
26.
Which of these is NOT a blood cell protein that is tested for in blood type testing?
a)
A
b)
B
c)
Rh
d)
O
27.
What is the probability of a person having type B blood (found in 12% of the population) that is Rh+ (85% of the population) and has a MM protein combination (30% of the population).
a)
1%
b)
3%
c)
5%
d)
7%
28.
If blood is found at a crime scene, doing a blood typing test would help eliminate potential suspects.
a)
True
b)
False
29.
If blood were found at a crime scene, which test is more cost effective?
a)
Blood typing
b)
DNA profile
30.
Blood will form small spikes on a ___ surface.
a)
porous
b)
smooth
31.
Which of the following is NOT true about blood typing?
a)
It is quicker and less expensive than DNA profiling
b)
It identifies the presence or absence of particular proteins embedded in the cell
c)
It can provide class evidence to a forensic investigator
d)
It can help determine the manner in which a victim died
32.
When blood falls, it maintains what shape and why?
a)
Blood falls in a teardrop shape because of adhesion
b)
Blood falls in a teardrop shape because of surface tension
c)
Blood falls in a round shape because of capillary action
d)
Blood falls in a round shape because of cohesion
33.
Small secondary droplets around the main blood spatter drop are called:
a)
Spikes
b)
Splats
c)
Satellites
d)
Gushes
34.
The Rh factor was discovered when studying which organism's blood?
a)
Human
b)
Chimpanzee
c)
Monkey
d)
Gorilla
35.
The average healthy adult contains around how many liters of blood?
a)
2
b)
3
c)
6
d)
7
36.
The drop shown above would have more than likely been dropped from an angle of
a)
90
b)
50
c)
30
d)
10
37.
The drop shown above would have more than likely been dropped from an angle of around
a)
90
b)
50
c)
30
d)
10
38.
What blood spatter pattern is seen in the picture?
a)
Cast Off
b)
Medium Velocity
c)
Void
d)
High Velocity
39.
What blood spatter pattern is seen in the photo?
a)
Low Velocity
b)
Expirated Blood
c)
High Velocity
d)
Medium Velocity
40.
What blood spatter pattern is seen in the picture?
a)
Low Velocity
b)
Cast-Off
c)
Arterial Spurting
d)
Medium Velocity
41.
What blood spatter pattern is seen in the photo?
a)
Wipe
b)
Swipe
c)
Walking Drip
d)
Flow
42.
What blood spatter pattern is seen in the picture?
a)
Flow Pattern
b)
Low Velocity Impact Spatter
c)
Pool
d)
High Velocity Impact Spatter
43.
Blood will stick to a surface due to ___.
a)
Adhesion
b)
Cohesion
44.
What type of surface did this blood most likely fall on?
a)
Semi-porous surface
b)
Smooth surface
c)
Carpet
d)
Rough surface
45.
What would cause high velocity blood spatter?
a)
Baseball bat
b)
Human hand
c)
Car collision
d)
Gunshot
46.
What would cause medium velocity blood spatter?
a)
Baseball bat
b)
Human hand
c)
Hand grenade
d)
Gunshot
47.
Which animal does this blood belong to?
a)
Camel
b)
Fish
c)
Bird
d)
Human
48.
Serology is the study of
a)
Blood
b)
Body fluids
c)
Serum
d)
Water
49.
The lines in the picture are referred to as lines of ___.
a)
convergence
b)
agreement
c)
tangents
d)
credit
50.
Based upon this image, how far away did a blood drop travel from the source?
a)
2.3 feet
b)
2.8 feet
c)
3.4 feet
d)
4.2 feet
51.
Based upon this image, how far above the source was the blood drop?
a)
2.3 feet
b)
2.8 feet
c)
3.4 feet
d)
4.2 feet
52.
A test that uses antibodies to determine whether or not a blood sample is human.
a)
ELISA
b)
PCR
c)
RFLP
d)
STR
53.
Based upon this picture, what test was done to determine whether or not a stain was blood (the picture shows a positive and negative test).
a)
Kastle-Meyer presumptive blood test
b)
Leukomalachite green presumptive blood test
c)
Luminol presumptive blood test
54.
Based upon this picture, what test was done to determine whether or not a stain was blood (the picture shows only a positive test).
a)
Kastle-Meyer presumptive blood test
b)
Leukomalachite green presumptive blood test
c)
Luminol presumptive blood test
55.
Based on this picture, what presumptive blood imaging technique was used?
a)
Kastle-Meyer presumptive blood test
b)
Leukomalachite green presumptive blood test
c)
Luminol presumptive blood test
56.
Which of these would be the correct order of tests to perform if blood is found at a crime scene?
a)
ELISA, Kastle-Meyer, Blood Type
b)
Kastle-Meyer, Blood Type, ELISA
c)
Kastle-Meyer, ELISA, Blood Type
d)
ELISA
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