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Blood - Forensic Science (vers b)

Total questions: 16

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

These proteins are found on the surface of red blood cells and they provide self identity

a)

antibodies

b)

DNA

c)

phospholipids

d)

antigens

2.

O blood type is also known as the

a)

universal acceptor

b)

universal donor

c)

lease effective blood type

d)

the positive protein

3.

When antibodies and antigens attach together like a lock and key this is called

a)

antibody attack

b)

protein attachment

c)

blood clotting

d)

agglutination

4.

Identify this blood type

a)

A -

b)

A+

c)

O+

d)

AB+

5.

A drop of blood that strikes a surface at an angle of impact approximately 90-degrees will be close to _______ in shape.

a)

circular

b)

teardrop

c)

elliptical

d)

elongated

6.

At which angle did this blood drop most likely strike the surface?

a)

approximately 90-degrees

b)

approximately 40-degrees

c)

approximately 20-degrees

7.

Which sample is B-

a)
b)
c)
d)
8.

Quentin is a crime scene investigator. He believes a violent crime may have occurred in the bedroom of an apartment but he sees no blood. Which of the following chemicals reacts with iron produces a glowing blue color if blood is present?

a)

Luminol

b)

Fluorescein

c)

HemaStix

d)

LCV

9.
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
10.

Which blood type has Type A antibodies?

a)

Type AB

b)

Type O

c)

Type B

d)

Type B and Type O

11.

Blood typing is considered

a)

a class characteristic

b)

an individual characteristic

c)

both of these

d)

neither of these

12.

What is Forensic Serology?

a)

The study of bones left at a crime scene.

b)

The study of body fluids and stains remaining at a crime scene (especially blood).

13.

What makes up around 55% of the blood?

a)

Plasma

b)

Red Blood Cells

c)

White Blood Cells

d)

Platelets

14.

What is the function (job) of the white blood cells?

a)

To transport oxygen around the body.

b)

To carry dissolved sugars.

c)

To clot and cover wounds like cuts and grazes.

d)

To release antibodies to help destroy infections.

15.
Another name for white blood cells is
a)
erythrocytes
b)
plasmocytes
c)
leukocytes
d)
thrombocytes
16.
Red blood cells are
a)
thrombocytes
b)
neutrophils
c)
monocytes
d)
erthryocytes