quiz 1 Flashcards
what temperatures does aspergillus grow
15-55
where does aspergillus grow
soil. organic debris, decaying vegetation, and bird excrement.
what do the spores of aspergillus look like
small spores, conidia that are airborne
what does the fungus look like
filamentous with branching hyphae
what are the risk factors for invasive aspergillus (4)
aggressive chemotherapy, intensive or prolonged steroids, bone marrow transplant, graft-vs-host disease
is there prophylaxis treatment for lyme
nothing is indicated
what are some virulence factors for borrellia
resistent to complement by binding H1 and inactivating C3b, display antigenic variation.
what HLA are the arthritis linked to
2/4
how do we diagnose c jejuni
culture
what is the urea breath test for
h pylori
how can chlamydia be transmitted
coughing, sneezing, fingers, shared clothes/towels, vaginal intercourse, mother to child in birthg
does chlamydia cause symptoms immediately
no. takes 1-3 weeks incubation
what are the symptoms of chlamydia
cervical discharge, dysuria, pyuria, cervisitis, urethritis
what is c diff
anaerobe. gram + rod. spore forming. produces many toxins.
where is the toxin encoded for c diff
sigma factor
