Chapter 1: Pathogenic Microorganisms Flashcards

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1
Q

What are Pathogens?

A

Microorganisms that can cause infectious disease in humans.

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2
Q

Pathogens are also referred to as?

A

Germs.

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3
Q

What are the Pathogenic microorganisms divided into?

A

Bacteria, Viruses, Fungi, Parasites, and Rickettsiae.

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4
Q

Bacteria are single-celled microorganisms that reproduce very quickly by?

A

Cells division and are usually grouped into three categories classifies by shape.

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5
Q

What are the three categories that bacteria is grouped into?

A

Coccus or round, Spirochete or twisted and Bacillus or rod shaped.

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6
Q

What are Viruses?

A

Smallest of the microorganisms and need to invade living cells in order to reproduce.

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7
Q

What is Fungi?

A

Spore-producing microorganisms that include yeasts and molds.

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8
Q

What are Spores?

A

Microscopic particles that allow fungi to reproduce. similar to plant seeds.

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9
Q

What are Parasites?

A

Microorganisms that depend on a host for their nutrients.

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10
Q

What is a Host?

A

An organism that supports a parasite.

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11
Q

Protozoa are single-celled parasites and can cause?

A

Serious disease in human including malaria.

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12
Q

What are Rickettsiae?

A

Microorganisms depend completely on their host for survival.

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13
Q

Most Rickettsial pathogens are transmitted by?

A

Ectoparasites such as fleas, lice, mites, bedbugs and ticks.

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14
Q

What happens when Ectoparasites attach themselves to the skin of animals or humans?

A

Completely depend on the. host for nourishment.

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15
Q

Ectoparasites are responsible for common infections such as?

A

Scabies, lice and Lyme disease.

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