Chapter 12:
Blood: Transport and Protection
Practice Test
1.
What element does hemoglobin contain?
a.
calcium
b.
phosphorus
c.
carbon dioxide
d.
iron
Hint
2.
If you produce a specific antibody to defend against a particular antigen, what happens?
a.
You get sick.
b.
You are immune to that antigen.
c.
carbon dioxide
d.
All of the above.
Hint
3.
Where are the antibodies produced?
a.
in platelets
b.
in hemoglobin
c.
on the surface of white blood cells
d.
in red blood cells
Hint
4.
These cells carry oxygen from the lungs to all body cells. What are they?
a.
white blood cells
b.
hemoglobin
c.
red blood cells
d.
platelets
Hint
5.
What causes colds?
a.
viruses
b.
bacteria
c.
AIDS
d.
a handshake
Hint
6.
Why do emergency medical technicians inject plasma into a bleeding accident victim?
a.
to help fight disease
b.
to raise the blood pressure
c.
AIDS
d.
None of the above.
Hint
7.
Which of the following occurs when antibodies produced from another human or animal are injected into the body?
a.
a vaccination
b.
passive immunity
c.
total immunity
d.
active immunity
Hint
8.
What is the process called in which a broken blood vessel seals off?
a.
fibrin
b.
sealing
c.
scabbing
d.
clotting
Hint
9.
Why is blood considered a tissue?
a.
because it is made up of many cells
b.
because it fights disease
c.
because it is made primarily of water
d.
because it carries oxygen
Hint
10.
How does your body respond to infections?
a.
It increases its number of white blood cells.
b.
It increases its number of red blood cells.
c.
It gets a fever.
d.
It increases its number of platelets.
Hint
11.
Plasma is the liquid part of blood. What is its main component?
a.
red blood cells
b.
water
c.
white blood cells
d.
platelets
Hint
12.
Antibodies fight proteins and chemicals that are foreign to your body. What are these substances called?
a.
viruses
b.
antigens
c.
diseases
d.
bacteria
Hint
13.
When capillaries come into contact with body cells, what happens?
a.
Carbon dioxide and wastes are exchanged by blood for oxygen and nutrients from the body.
b.
Veins carry oxygen-poor blood back to the heart.
c.
diseases
d.
All of the above.
Hint
14.
Where are red blood cells formed?
a.
in lymph nodes
b.
in hemoglobin
c.
in the marrow of long bones
d.
in white blood cells
Hint
15.
What component in blood stops a cut from bleeding?
a.
white blood cells
b.
platelets
c.
red blood cells
d.
clots
Hint
