Exam 23: Microbial Interactions With Humans

Which of the following is NOT important for the adherence of bacteria to other bacteria as well as to host tissue?

Why is fever the universal result of endotoxin exposure?

Which of these microorganisms is MOST likely to be found in the human gut?

Which of the following are NOT found in the gastrointestinal tract of healthy humans?

How do dental lactic acid bacteria cause dental caries?

The spread of pathogens through the blood and lymph systems that results in a bloodborne systemic infection is called

Normal microflora are usually found in the blood,lymph,and nervous systems of the body.

Which disease CANNOT be prevented via the use of a vaccine generated from an attenuated pathogen?

The following bacterial species are all implicated in dental caries EXCEPT

The process by which white blood cells ingest and kill bacteria is called

One microenvironment of the skin is an area where glands produce an oily substance called

Malassezia spp.are the MOST common fungi present on the skin of humans.

R plasmids help prevent the spread of virulence factors.

The process by which microorganisms cause diseases is known as

The toxic lipopolysaccharides produced by MOST gram-negative bacteria are called exotoxins.

Which of the following is a way to prevent attenuation and maintain virulence in a bacterium?

________ are microbial infections acquired by hospital patients with noninfectious diseases because they are compromised hosts.

Which of the following is more likely to cause urinary tract infections?

Why does Neisseria gonorrhea adhere only to mucosal epithelial cells in the genitourinary tract,eye,rectum,and throat?

Bacteria make up about one-third the weight of fecal matter.