Chapter 17 Vocabulary Test Flashcards Preview

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Flashcards in Chapter 17 Vocabulary Test Deck (28):
1

Infectious disease

any disease that is caused by an agent that can pass from one living thing to another

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Contagious disease

disease that can be passed directly from one person to another

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Epidemic

widespread occurrence of an disease

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Cholera

bacterial disease that spreads through contaminated water

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Bacteria

very small, single-celled organisms that are found almost everywhere

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Antibiotic

drug that kills or slows the growth of bacteria

7

Virus

extremely small particle that consists of an outer shell and genetic material

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Immune system

made up of organs and special cells that fight infection

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Cilia

tiny hairs that keep germs out of the lungs

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Immune response

reaction of the body to a germ that has gotten in

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Macrophages

cells that engulf the cells that have been infected by virus

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T cell

help destroy virus infected cells

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B cell

produce antibodies

14

Immunity

when your body remembers how to fight a disease that it’s already had

15

Streptococcus

bacterium that causes strep throat

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Mycobacteria

family of bacteria which cause the bacterial infection tuberculosis

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Sinuses

open areas in your skull that are located behind your face and above your mouth

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Sinusitis

condition in which the sinuses become infected with bacteria

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Influenza

a group of virus which can cause the flu

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Vaccine

substance that is used to keep a person from getting a disease

21

Epstein-Barr virus

virus that causes mononucleosis

22

Sexually transmitted diseases

contagious infections that are spread from person to person by sexual contact

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Sexual abstinence

the deliberate choice to refrain from all sexual activity

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AIDS

serious viral disease that destroys the body’s immune system

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HIV

virus that causes AIDS

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Incubation period

the time between when HIV enters the body to when symptoms appear

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Opportunistic infection

infection that happens only in people whose immune systems are not working very well

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Combination therapy

combination of several drug used to treat AIDS