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Crime Busters Blood review

Total questions: 74

Worksheet time: 47mins

Name
Class
Date
1.

What do small but cluttered blood stains indicate?

a)

ㅤGunshots, bombings, etc.

b)

ㅤBackstabbings, beatings, etc.

c)

ㅤNosebleeds, small cuts, etc.

d)

Blood agents

e)

Nerve Agents GB,GD,etc.

2.
What type of fingerprint is shown in the diagram below?
a)
Plain arch
b)
Plain whorl
c)
Central Pocket whorl
d)
Double Loop whorl
3.

What makes up around 55% of the blood?

a)

Plasma

b)

Red Blood Cells

c)

White Blood Cells

d)

Platelets

4.

What carries oxygen around the body?

a)

Plasma

b)

Red Blood Cells

c)

Platelets

d)

White Blood Cells

5.

What causes the blood to be the distinct red colour?

a)

Haemoglobin

b)

Glucose

c)

Hormones

d)

Oxygen

6.

Which of the following is NOT a type of blood vessel?

a)

Artery

b)

Capillary

c)

Vein

d)

Ventricle

7.

What is the function (job) of the plasma?

a)

To release antibodies to fight infections.

b)

To transport oxygen around the body.

c)

To carry dissolved nutrients and sugars.

d)

To transport oxygen around the body.

8.

Which blood vessels take blood TO the heart?

a)

Veins

b)

Arteries

c)

Capillaries

9.

Which blood vessels take blood AWAY from the heart?

a)

Veins

b)

Arteries

c)

Capillaries

10.

Which is the smallest of the 3 blood vessels?

a)

Veins

b)

Arteries

c)

Capillaries

11.

What type of blood do the arteries usually carry?

a)

Oxygenated Blood

b)

Deoxygenated Blood

12.

Which blood vessel has valves to prevent the back-flow of blood?

a)

Veins

b)

Arteries

c)

Capillaries

13.

Which cell engulfs and digests bacteria/pathogens?

a)

lymphocytes

b)

phagocytes

c)

platelets

14.

Which cell releases antibodies to the blood?

a)

phagocytes

b)

lymphocytes

c)

platelets

15.
If you have the rH factor then your blood is +.
a)
False
b)
True
16.
Which of the following is NOT a component of whole blood?
a)
Red Blood Cells
b)
Spinal Fluid
c)
Plasma
d)
Platelets
17.
A majority of the population is Rh+
a)
True
b)
False
18.
Which of the following CANNOT be determined from blood spatter?
a)
Exact Weapon Used
b)
Manner of Death
c)
Velocity
d)
Area of Origin
19.
What type of evidence is blood type?
a)
Individual
b)
Class
c)
Trace
d)
Physical
20.
The presence or absence of particular proteins, found embedded within a cell or plasma membranes of blood cells, determine a person's...
a)
DNA
b)
Rh Factor
c)
Blood Type
d)
Surface Protein
21.

What do extremely low velocity blood splatters often indicate?

a)

use of any of the 4 chemical agents

b)

Nosebleeds, small cuts, etc.

c)

fist fights

d)

stabs

22.
What blood spatter pattern is seen in the photo?
a)
Flow Pattern
b)
Arterial Spurt
c)
Low Velocity Impact Spatter
d)
Pool
23.
What blood spatter pattern is seen in the picture?
a)
Flow Pattern
b)
Low Velocity Impact Spatter
c)
Pool
d)
Drip Pattern
24.
What blood stain pattern is created or formed by the force of gravity acting alone?
a)
Passive Drop
b)
Low Velocity Impact Spatter
c)
Flow Pattern
d)
Drip Pattern
25.
The presence or absence of particular proteins, found embedded within a cell or plasma membranes of blood cells, determine a person's...
a)
DNA
b)
Rh Factor
c)
Blood Type
d)
Surface Protein
26.
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
27.
What blood spatter pattern is created when a volume of blood has been absorbed by an object?
a)
Pool
b)
Saturation
c)
Flow Pattern
d)
Medium Velocity Impact Spatter
28.
What blood spatter pattern is seen in the picture?
a)
Transfer/Contact
b)
Swipe
c)
Wipe
d)
Saturation
29.
What blood spatter pattern is created when a volume of blood has been absorbed by an object?
a)
Pool
b)
Saturation
c)
Flow Pattern
d)
Medium Velocity Impact Spatter
30.
What blood spatter pattern is seen in the picture?
a)
Transfer/Contact
b)
Swipe
c)
Wipe
d)
Saturation
31.
What blood spatter pattern is seen in the photo?
a)
Wipe
b)
Swipe
c)
Walking Drip
d)
Flow
32.
What bloodstain pattern is created when an object moves through an existing stain, removing or altering its appearance?
a)
Swipe
b)
Walking Drip
c)
Wipe
d)
Contact
33.
What blood spatter pattern is seen in the picture?
a)
Low Velocity
b)
Cast-Off
c)
Arterial Spurting
d)
Medium Velocity
34.
What bloodstain pattern is created when blood is released or thrown from a blood-bearing object?
a)
Cast-Off
b)
Walking Drip
c)
Medium Velocity
d)
Void
35.
What type of blood spatter is typically created from a gunshot?
a)
Medium Velocity
b)
High Velocity
c)
Cast-Off
d)
Void
36.
What blood spatter pattern is seen in the picture?
a)
Cast Off
b)
Medium Velocity
c)
Void
d)
High Velocity
37.

If one of your parents is blood type A and the other is type B, which of the following blood types would you likely be?

a)

A

b)

B

c)

O

d)

AB

e)

any of the above

38.

Which of the following statements is true?

a)

Specific ABO blood types are known to be linked with increased or decreased susceptibility to particular diseases.

b)

antibodies to alien antigens in the ABO group may be present in one's body prior to the first contact with blood of a different ABO type.

c)

When our blood comes in contact with blood of a different type, our bodies can develop long-term immunity to the alien blood type

d)

All of the above are correct.

39.

Blood types are determined by the presence of protein located on

a)

all blood cells

b)

only white blood cells

c)

only helper T cells

d)

only red blood cells

40.

Blood proteins that determine blood types are

a)

on the surface of the cell membrane

b)

inside the cytoplasm

c)

a. both on the cell membrane and inside of the cytoplasm

d)

in bone marrow

41.

If a person has type A– blood, then they have

a)

only the A protein

b)

both A and the Rh proteins

c)

all three blood proteins

d)

can not be determined

42.

If a person has type O+ blood, then they have

a)

the A and the B protein, but lack the Rh protein

b)

an O protein but no Rh protein

c)

none of the ABO nor Rh proteins

d)

Rh protein but not the A or B proteins

43.

1) The possible phenotype frequency of offspring with genotype of one parent AB and other parent AO is

a)

a. 50% O, 25% AB and 25% A

b)

a. 25% A, 25% AB and 50% B

c)

a. 25% A, 25% AB and 25% B

d)

a. 50% A, 25% AB and 25% B

44.

Phenotype is the actual expression of the genotype. Phenotype of an individual with genotype AO will be

a)

AA

b)

AO

c)

OO

d)

A

e)

O

45.

Blood group antigens are actually _______________attached to the red blood cell

a)

salts

b)

chemicals

c)

sugars

d)

proteins

46.

Which one does not belong to the main components of the blood

a)

mucus

b)

red blood cells

c)

white blood cells

d)

plasma

e)

platelets

47.

__________________ are “built” onto the red cell. Individuals inherit a gene which codes for specific sugar(s) to be added to the red cell.

a)

antibodies

b)

antibiotics

c)

antigens

48.

The universal blood donors for the ABO system are type____________

a)

A

b)

B

c)

O

d)

AB

49.

_______________are the actual inherited genes which can only be determined by family studies.

a)

phenotype

b)

genotype

c)

antigen

d)

blood group

50.
The drop shown above would have more than likely been dropped from an angle of 
a)
90
b)
50
c)
30
d)
10
51.
The following indicates:
a)
cast off
b)
walking drip
c)
splash
d)
medium velocity impact 
52.
The following drops can tell you:
a)
direction 
b)
low impact angle
c)
tails
d)
all of these
53.
The lines in the picture are referred to as lines of ___.
a)
convergence
b)
agreement
c)
tangents
d)
credit
54.
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
55.
What is the original drop of blood that casts or gives off a satellite or wave called?
a)
Parent Drop
b)
Void
c)
Satellite drop
d)
Spine
56.
Which letter best shows the convergence point (origin point)?
a)
A
b)
B
c)
C
d)
D
57.
Which one of these was dropped from the biggest angle?
a)
1 (top left)
b)
4 (top right)
c)
7 (bottom left)
d)
9 (bottom right)
58.

As the angle of impact gets smaller, what happens to the tail?

a)

Gets longer

b)

Gets shorter

c)

Stays the same

59.
The drop shown above would have more than likely been dropped from an angle of around
a)
90
b)
50
c)
30
d)
10
60.

The arrow is pointing to a

a)

satellite

b)

spine

c)

parent drop

61.

What direction did this blood come from?

a)

Top

b)

Bottom

c)

Left

d)

Right

62.

As blood drops from increasing heights, what happens to the size of the blood stain?

a)

Gets larger.

b)

Gets smaller.

c)

Stays the same size.

63.

Blood pumping from a severed artery would leave

a)

Passive blood spatter

b)

Projected blood spatter

c)

Transfer blood spatter

64.

Blood dripping off a weapon would be considered

a)

Passive blood spatter

b)

Projected blood spatter

c)

Transfer blood

65.
What bloodstain pattern is created when an object moves through an existing stain, removing or altering its appearance?
a)
Swipe
b)
Walking Drip
c)
Wipe
d)
Contact
66.
What type of blood spatter is typically created from a gunshot?
a)
Medium Velocity
b)
High Velocity
c)
Cast-Off
d)
Void
67.
What pattern of blood spatter is this?
a)
arterial gushes
b)
splash
c)
smear
d)
pool
68.
What would cause medium velocity blood spatter?
a)
Baseball bat
b)
Human hand
c)
Hand grenade
d)
Gunshot
69.
What is a bloodstain consisting of a darkened peripheral rim where the center of the stain is no longer intact?
a)
Walking Drip
b)
Wipe
c)
Swipe
d)
Skeletonized
70.
Which letter best shows the convergence point (origin point)?
a)
A
b)
B
c)
C
d)
D
71.
What bloodstain pattern is created when blood is released or thrown from a blood-bearing object?
a)
Cast-Off
b)
Walking Drip
c)
Medium Velocity
d)
Void
72.
What type of spatter creates the largest blood droplets?
a)
Low velocity impact
b)
Medium velocity impact
c)
High velocity impact
73.
What type of spatter creates the largest blood droplets?
a)
Low velocity impact
b)
Medium velocity impact
c)
High velocity impact
74.
What type of pattern is created when blood is blown out of the nose, mouth, or a wound as a result of air pressure?
a)
Expirated blood pattern
b)
Cast - Off Pattern
c)
High Velocity Pattern
d)
Wipe Pattern

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