What type of microorganism can live and multiply only inside an appropriate host cell quizlet?

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Terms in this set (21)

It is important for the dental assistant to have a foundation in microbiology to understand the nature of pathogens to

know how to prevent disease transmission in the dental office

Correct term used to describe microorganisms that produce disease in humans

Pathogen

Which is the smallest of the major groups of microorganisms

Virsuses

Bacteria that require oxygen to grow are called

aerobes

Most resistant form of life known

Spore

oral candidiasis is an opportunistic infection caused by

Fungi

Microorganisms known as obligate intracellular parasites that can live and multiply only inside an appropriate host cell

Virsuses

General antibiotics are ineffective in preventing

Viral infections

Chemicals such as chlorine (bleach), iodine, phenol, and formaldehyde are:

able to destroy viruses in the external environment.

Form of hepatitis that is spread through fecal-oral contamination

Hep A

Leading cause of death worldwide

tuberculosis

Dental assistants should be immunized against which of the following viral infections

Hep B

disease that infects T cells

HIV

Study of Microorganisms

Microbiology

Bacteria that requires oxygen to grow

Anaerobes

A viral disease cannot be transmitted through

Radiation

Type of virus that causes cold sores on the lips

Herpes simplex virus type 1

Disease commonly known as lockjaw

Tetanus

Highest risk to dental personnell

Hepatitis B

Microorganism that causes chickenpox, shingles, measles, and herpes

Herpesvirus

Disease caused by a spore forming bacillus found in soil

Tetanus

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What type of micro organisms can live in multiply only inside an appropriate host cell?

Viruses can live and multiply only inside an appropriate host cell. Host cells may be human, animal, plant, or bacteria. A virus invades a host cell, replicates (produces copies of itself), and then destroys the host cell so the viruses are released into the body.

What type of microorganisms are known as obligate intracellular parasites meaning that they can live and multiply only inside an appropriate host cell?

Viruses are small and relatively simple microbes that cannot grow outside of living cells, that is, they are obligate intracellular parasites (Figure 1).

What is the name given to a microorganism that can exist only in the presence of oxygen?

aerobe, an organism able to live and reproduce only in the presence of free oxygen (e.g., certain bacteria and certain yeasts).

Which microbial organism requires a living host for survival quizlet?

Which of the following requires another living host for its continued existence? Parasite.