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Blood Evidence Summative

Total questions: 35

Worksheet time: 31mins

Name
Class
Date
1.

The universal recipient is:

a)

O+

b)

O-

c)

A+

d)

AB+

2.
Which blood type is the universal donor??
a)
A
b)
B
c)
AB
d)
O
3.
A person with A+ blood needs a transfusion.  Which blood type should not be used?
a)
A+
b)
O+
c)
O-
d)
AB+
4.

Clotting factors in our blood that prevent blood loss from a wound (thrombocytes)

a)

Platelets

b)

Spines

c)

Plasma

d)

Spatter

5.
Indicates the presence of a specific protein, discovered while studying Rhesus monkeys
a)
BPA
b)
Platelets
c)
Hemoglobin
d)
Rh Factor
6.

Type of blood stain that is created when a force is applied to the source of the blood, such as cast-off, impact spatter, and arterial spurting

a)

Projected Blood Stain

b)

Passive blood stain

c)

Spines

d)

Transfer

7.
Yellowish liquid part of the blood
a)
Hemoglobin
b)
Red Blood Cells
c)
Plasma
d)
White Blood Cells
8.

Which sample is B-

a)
b)
c)
d)
9.
What is suspect 1's Blood Type?
a)
A+
b)
O+
c)
A-
d)
O-
10.
What is suspect 3's Blood Type?
a)
AB+
b)
AB-
c)
O+
d)
O-
11.

Which type of evidence is blood typing?

a)

class

b)

individual

12.

Which would describe blood left as a result of a gunshot wound?

a)

low-velocity

b)

high-velocity

c)

medium-velocity

d)

large volume

13.
What is clumping of Red Blood Cells Called?
a)
Agglutination
b)
Antigen
c)
Antibody
d)
Thrombocyte
14.
Small secondary droplets around the main blood spatter drop are called:
a)
Spikes
b)
Splats
c)
Satellites
d)
Gushes
15.
The drop shown above would have more than likely been dropped from an angle of 
a)
90
b)
50
c)
30
d)
10
16.
What blood spatter pattern is seen in the picture?
a)
Transfer/Contact
b)
Swipe
c)
Wipe
d)
Saturation
17.
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
18.

What part of blood is responsible for carrying oxygen and carbon dioxide to body cells?

a)

Red Blood Cells

b)

White Blood Cells

c)

Platelets

d)

Plasma

19.

How much blood does the average adult have?

a)

1 liter

b)

5 liters

c)

12 liters

d)

24 liters

20.
The protrusions around and connected to the drops are called
a)
radial lines
b)
spines or spikes
c)
blood edges
d)
satellite spatters
21.
What type of spatter creates the largest blood droplets?
a)
Low velocity impact
b)
Medium velocity impact
c)
High velocity impact
22.

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)

Expiratory blood pattern

b)

Cast - Off Pattern

c)

High Velocity Pattern

d)

Wipe Pattern

23.

The lines in the picture illustrate the point/area of _______.

a)

convergence

b)

agreement

c)

tangents

d)

credit

24.

What blood spatter pattern is seen in the picture?

a)

Cast-Off

b)

Passive Blood Stain

c)

Void

d)

blood pool

25.
What pattern of blood spatter is this?
a)
arterial gushes
b)
splash
c)
smear
d)
pool
26.

The arrow is pointing to the original drop called the...

a)

satellite

b)

spine

c)

parent drop

27.
What would cause medium velocity blood spatter?
a)
Baseball bat
b)
Human hand
c)
Hand grenade
d)
Gunshot
28.
What blood spatter pattern is seen in the photo?
a)
Wipe
b)
Swipe
c)
Walking Drip
d)
Flow
29.

The drop shown above would have more than likely been dropped from an angle of around

a)

90

b)

50

c)

75

d)

10

30.
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
31.

Approximately ____% of the North American population are secretors.

a)

10

b)

30

c)

50

d)

80

32.

Which of the following components of seminal fluid provides sperm with the energy it needs?

a)

mucous

b)

fructose

c)

water

33.

The test used to confirm the presence of sperm in which the sample turns purple is called the ________ test.

a)

Fast Blue B

b)

Kastle-Meyer

c)

Phenolthalein

d)

Luminol

34.

This is a microscopic view of

a)

rat sperm

b)

frog blood

c)

human blood

d)

human sperm

35.

True or false: Human blood cells have a nucleus.

a)

true

b)

false