Microbiology Chapter 1

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Questions and Answers

Some diseases, called ______ infections, are caused not by one particular microbe, but by the combined effects of two or more different microbes.

synergistic

Examples of synergistic infections include ______ necrotizing ulcerative gingivitis (ANUG; also known as “trench mouth”) and bacterial vaginosis.

acute

It is very difficult to reproduce such synergistic infections in the ______.

laboratory

Another difficulty that is sometimes encountered while attempting to fulfill ______'s Postulates is that certain pathogens become altered when grown in vitro.

<p>Koch's</p> Signup and view all the answers

Not all diseases are caused by ______.

<p>microbes</p> Signup and view all the answers

All ______ diseases are caused by microbes, as are all microbial intoxications.

<p>infectious</p> Signup and view all the answers

The study of algae is called ______.

<p>phycology</p> Signup and view all the answers

Microbes that live on dead and decaying organic material are known as ______.

<p>saprophytes</p> Signup and view all the answers

Rudolf Virchow is given credit for proposing the ______ theory of disease.

<p>germ</p> Signup and view all the answers

Chlamydias, rickettsias, M.leprae, and T.pallidum are considered ______ intracellular pathogens.

<p>obligate</p> Signup and view all the answers

Prions and viroids are even smaller than ______.

<p>viruses</p> Signup and view all the answers

The microbes that usually live on or in a person are collectively referred to as the ______ microflora.

<p>indigenous</p> Signup and view all the answers

Your mother taught you the fundamentals of __________ like handwashing.

<p>hygiene</p> Signup and view all the answers

Microbiology is the study of the __________ and their interactions with the environment and hosts.

<p>microorganisms</p> Signup and view all the answers

___________ is a rare cause of infections, and can also result in intoxications through ingestion of toxins.

<p>Algae</p> Signup and view all the answers

Fungi can cause diseases such as __________ and cryptococcosis.

<p>histoplasmosis</p> Signup and view all the answers

Viruses can cause diseases such as acquired __________ deficiency syndrome (AIDS) and influenza.

<p>immunodeficiency</p> Signup and view all the answers

Escherichia coli, commonly abbreviated as E. coli, is a type of __________.

<p>bacterium</p> Signup and view all the answers

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