Exam 27: Microbial Interactions With Humans

The process by which microorganisms cause diseases is known as_________ .

A __________ is a damage or injury to a host organism that impairs its function.

Streptocoocus pyogens utilizes M protein and __________ to form microfibrils that facilitate attachment to host cells.

The decrease or loss of virulence of a pathogen is referred to as

Which of the following bacterial cell surface protein structures function in the attachment process?

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

Invasion is the ability of a pathogen to enter into host cells or tissues, spread, and cause disease.

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

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

Influenza virus targets

Why is fever the universal result of endotoxin exposure?

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

How do pathogens gain access to host tissue?

Environmental and host factors that influence the composition of resident microflora on the skin include the_________ , _________and_________ .

Normal flora in the duodenum are

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

Animals that lack CXCR4 and CCR5 proteins are immune to HIV infection.

Only particles smaller than __________µm in diameter reach the lungs.

Mucous membranes are frequently coated with a protective liquid called

Diphtheria toxin inactivates elongation factor 2 by catalyzing the attachment of adenosine diphosphate ribose from NAD+.