MICROBES, PATHOGENS and DISEASE STUDY GUIDE
Name ____________
Class
2
3
4
Do the following exercises to prepare for the test.
1. Read chapter 19. Answer these review questions. Staple answers to the back of this packet.
Review Questions 1-4, 6-9, 11-14, 17, 18-21, 23-28
2. Review all homework that has been passed back. This includes:
1. What is a Microbe? worksheet
2. Microbes: The World Within questions
3. Bacteria Concept Map
4. Ch. 6, sec. 3 Outline BACTERIA (know answers to chapter review questions)
5. Ch. 6, sec. 4 Outline VIRUSES (know answers to chapter review questions)
6. Review “The Body’s Defenses” worksheet and The Body’s Response to Infection.
Write a definition in your own words. Reword definitions found in your book or in a dictionary.
Protozoan
Ameba
Paramecium
Bacterium
Flagellum
Binary fission
Asexual reproduction
1
Sexual reproduction
Conjugation
Endospore
Decomposer
Infectious disease
Toxin
Antibiotic
Toxin
Virus
Host
Parasite
Bacteriophage
2
Vaccine
Epidemic
Pathogen
Pasteuriz(ation)
Phagocyte
Immune response
Lymphocyte
T-cell
B-cell
Antigen
Antibody
antibiotic
3
AIDS
Immunity
Active immunity
Vaccination
Vaccine
Passive immunity
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What are the four types of pathogens?

What are four ways humans can become infected?
1.
3.
2.
4.

Know the human body’s three lines of defense.
1.
2.
a.
3.
b.
c.
d.

How does HIV relate to AIDS, and how does it attack the human body?
4
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What is the difference between active immunity and passive immunity? Explain.

Explain how microbes have helped the earth’s atmosphere.

Are viruses living organisms? Explain.

List five ways microbes are helpful to humans.

How do viruses infect cells and multiply?

Why are viruses considered non-living?

How does a vaccination work?

How did Edward Jenner discover the process of vaccination?

How did Alexander Fleming discover antibiotics?

List three ways disease might be avoided.
5

Why can bacteria become resistant to antibiotics over time?

How would bacterial reproduction from conjugation help a colony of bacteria to become resistant to
antibiotics more than if the bacteria reproduce by binary fission?

How does the immune response work? Use the words lymphocyte, T-cell, B-cell, antigens, and
antibodies, pathogen, phagocyte in a CONCEPT MAP to show your understanding.
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