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The Immune Response

Total questions: 27

Worksheet time: 54mins

Name
Class
Date
1.
After an initial infection, B-cells recognize the measles virus. How is this helpful in human immune response? 
a)
The B-cells use this recognition to defend the body against other pathogens, such as bacteria.
b)
 The B-cells more quickly recognize and respond to any other virus that invades the body.
c)
The B-cells produce antibodies more quickly if the measles virus is encountered again.
d)
The B-cells transfer this recognition to T-cells, which will then devour the viruses.
2.
The body's first line of defense against pathogens is
a)
barriers.
b)
inflammatory response.
c)
immune system.
d)
lymphatic system.
3.

Weakened microbes that stimulate the immune system to produce antibodies used to fight future invasions by the same microbe. Example: chicken pox, measles, small pox

a)

Vaccine

b)

Disease

c)

Immunity

4.

Compounds that block the growth and reproduction of bacteria.

a)

AIDS

b)

HIV

c)

Antibiotics

5.

A condition in which a person's immune system is overly sensitive to environmental substances that are normally harmless.

a)

Allergy

b)

Antigen

c)

Bacteria

d)

Virus

6.

A protein, produced by the immune system that either attacks invading pathogens or marks them for killing.

a)

Antibodies

b)

Microbe

c)

AIDS

d)

Allergy

7.

A Substance made of weakened, killed, or partial pathogens are designed to protect the body from future invasions of that pathogen.

a)

Vaccine

b)

Virus

c)

Disease

d)

Microbe

8.
These cells activate killer T cells and other helper T cells as well as activate B cells
a)
Helper T Cells
b)
Cytotoxic T Cells
c)
Macrophages
d)
Suppressor Cells
9.

A white blood cell that makes antibodies

a)

helper T cell

b)

bacteria

c)

plasma B cell

d)

mast cell

10.
These cells are responsible for identifying the "enemy" in an immune response.
a)
Killer-T Cells
b)
Antibodies
c)
Helper-T Cells
d)
B Cells
11.
These cells remain in the blood stream after an immune response.
a)
Memory B and T Cells
b)
Killer T Cells and B Cells
c)
Helper T  and B Cells
d)
Suppressor Cells and Macrophages
12.
Killer T Cells-
a)
Kill the pathogen
b)
Kill your infected body cells
c)
Kill only viruses
d)
Kill only bacteria
13.
The part of foreign materials that cause a response from the immune system are called _____________________.
a)
Antigens
b)
Active Immunity
c)
Antibodies
d)
Antibiotics
14.
Antigens are part of...
a)
Your own immune system.
b)
The pathogen.
15.
Antibodies are made by...
a)
Your own cells.
b)
The pathogen.
16.
What is the role of a Killer T cell?
a)
Kills specific pathogens
b)
Helps activate other immune cells
c)
Produces antibodies
d)
Binds to antigens
17.
What is the role of a helper T cell?
a)
Kills pathogens
b)
Helps activate killer T and B cells
c)
Produces antibodies
d)
Binds to antigens
18.
What is the role of antibodies?
a)
Kills pathogens
b)
Helps activate other immune cells
c)
Produces antibodies
d)
Binds to antigens and neutralizes pathogen
19.
When a macrophage engulfs a pathogen and displays the antigens, what happens next?
a)
Helper T cells pick up information about the specific pathogen
b)
B cells produce antibodies
c)
Killer T cells destroy more pathogens
d)
Nothing
20.

Which of the following is not apart of your body’s first line of defense?

a)

Skin

b)

Mucus

c)

Stomach Acid

d)

Antibodies

21.
A nonspecific defensive response of the body to tissue injury characterized by dilation of blood vessels and swelling.
a)
immunity
b)
interferon
c)
immunization
d)
inflammation
22.
Disease-causing microorganism, such as a bacterium or virus.
a)
pathogen 
b)
allergen
c)
prion 
d)
antigen 
23.
what does HIV do to our immune system?
a)
It makes our immune system more stronger
b)
It attacks red blood cells 
c)
It attacks our brain to stop working
d)
It attacks our white blood cells and weakens our immune system to the point where our body cannot fight pathogens 
24.
What is the body's first line of defense against infection by foreign organisms? 
a)
antibodies
b)
lymph nodes
c)
white blood cells
d)
the skin
25.
Antibiotics work against most
a)
Bacteria
b)
Bacteria & Viruses
c)
Vaccines
d)
Viruses
26.

The purpose of introducing weakened microbes into the body of an organism is to stimulate the

a)

production of living microbes that will protect the organism from future attacks

b)

production of antigens that will prevent infections from occurring

c)

immune system to react and prepare the organism to fight future invasions by these microbes

d)

replication of genes that direct the synthesis of hormones that regulate the number of microbes

27.
 Like all other body systems, the immune system helps the body maintain homeostasis.  Which statement best describes how the immune system does this?  
a)
it protects other organs and tissues from infection and disease
b)
it breaks down food to provide cells with nutrients
c)
it gathers information through the senses and controls all other body systems
d)
 it transports oxygen and carbon dioxide

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