Exam 22: An Introduction to Microbiology and Human Disease

A bacterial spore is a resistant form,which means that it can survive extremes of ____________________.

An important trigger for some mucosal yeast infections is often the use of:

Bacteria that cannot reproduce in the presence of oxygen are called:

A zoonosis is a disease that ____________________.

A microorganism that is usually harmless but may become pathogenic in certain circumstance is called a(n)____________________.

Hydrochloric acid destroys most pathogens that get to the:

Ringworm is a ____ infection of the ____.

A chemical that is used to destroy bacteria on the skin is called:

Mucous membrane tracts may be colonized by bacteria because they have:

The vector of West Nile virus is a ____________________.

A disease that is normally present in a population,with an expected number of cases,is said to be:

Small numbers of yeasts may be part of the resident flora of all of these sites except the:

A disease such as malaria,which is spread from host to host by a vector,is considered ____________________ but not ____________________.

For viruses spread by vectors,the portal of entry is the ____________________.

With respect to the skin,the largest resident flora would be found in the:

A self-limiting disease is one that ____________________.

Most fungi live on dead organic matter and are called ____________________.

The Gram stain distinguishes between bacteria that are ____________________ or ____________________,and this difference is based on the ____________________ of the bacteria.

The part of a bacterial cell that makes it gram positive or gram negative is the:

An infection in which the person has no symptoms is called: