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Worksheets5.2 The Body's Defenses
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
The white blood cells that take part in the inflammatory response which engulf pathogens and destroy them are called
a)
T cells.
b)
Phagocytes.
c)
Lymphocytes.
d)
B-cells.
2.
Which are the two major kinds of lymphocytes?
a)
T Cells & B Cells
b)
Phagocytes & Antigens
c)
Antigens & White Blood Cells
d)
P Cells & V Cells
3.
Blood vessels in an infected area widen to increase the flow of blood to the area.
a)
True
b)
False
4.
Fluid and certain types of white blood cells leak from blood vessels into nearby tissues. The white blood cells then fight the
a)
pathogens.
b)
antigens.
c)
T cells.
d)
B cells.
5.
Over time, HIV damages the immune system, and the body loses its ability to fight disease.
a)
True
b)
False
6.
A virus caused by HIV that attacks the immune system is called
a)
acquired immunodeficiency syndrome.
b)
autonomic response system.
c)
HIV.
d)
influenza.
7.
What are molecules on cells that the immune system recognize either as part of the body or as coming from outside the body?
a)
antibodies.
b)
antigens.
c)
T cells.
d)
B cells.
8.
What can distinguish between different kinds of pathogens and react to each pathogen with a defense targeted specifically to it?
a)
lymphocytes
b)
phagocytes
c)
red blood cells
d)
antigens
9.
The third line of defense is the
a)
barriers.
b)
inflammatory response.
c)
immune system.
d)
pathogen system.
10.
The second line of defense in the body is the
a)
barriers.
b)
inflammatory response.
c)
immune system.
d)
lymphatic system.
11.
The body's first line of defense against pathogens is
a)
barriers.
b)
inflammatory response.
c)
immune system.
d)
lymphatic system.
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