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Microbiology Exam 5 Chapters 19, 20, 21, and 22

Terms in this set (87)

How does the skin protect against invading microbes?
it is a physical barrier that sheds the top dead layers to remove invading microbes
what is a sty
Infection of a hair follicle on the eyelid
What is a furuncle
Infection of hair follicles. abscess
What is a carbuncle
Multiple furuncles grown together. Large abscess
What organism is mostly responsible for a sty, furuncle, and carbuncle
Staphylococcus
One feature that differentiates staph aureus from other staphylococci
Its ability to survive on the salty skin environment
What is beta-lactamase and coagulase and which organism produces them
Enzymes produced by staph. aureus
What is the pathogenic process underlying rocky mountain spotted fever
transmitted by ticks infected with rickettsia rickettsii
Why are pseudomonas infections hard to treat
capsule makes it resistant to antibiotics
What antiviral chemotherapeutic agent is used to treat herpes infections
acyclovir
What are the major problems with rubella and rubeola infections
No treatments for the infection only immunizations before infection. Highly contagious. Can cause birth defects or the death of the fetus
What virus is an oncovirus that causes warts
Papilloma virus
Are genital warts preventable
yes, gardasil vaccine
What does the papilloma virus cause, how is it tested for, and what is a pap smear used to detect
Causes warts, pap smears are used to observe and test for abnormal cell growths
What is shingles and what organism causes it
lesions on the skin along an infected nerve caused by VZV, varicella-zoster virus
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