Microbiology of the GU tract Flashcards
gonococci affecting the male urethra produce a strong __ response
neutrophilic
“dripping tap of pus”
gonococcus
“watery discharge”
chlamydia
what STI can be contracted from an inianimate source?
trichomonas vaginalis
vagina is an acid/alkali environment with a pH of _ to _
acid
4 to 4.5
predominate bacteria in the vagina?
lactobacillus
less predominate microorganisms in the vagina?
GABHS
candida
strep viridans
when can GABHS on a vaginal swab be a problem
pregnant women who are symptomatic
which is more resistant to treatment: candida albicans or non-albicans candida?
non-albicans
predisposing factors for candida infection?
recent ab therapy
high oestrogen levels
poorly controlled diabetes
immunocompromised patients
what can increase your oestrogen levels
pregnancy
contraceptives
presentation of candida infection?
intensely itchy white vaginal discharge
“spotty rash on penis that is itchy”
candida balanitis
is bacterial vaginosis an infection?
no, not sexually transmitted
what is discharge like in bacterial vaginosis?
creamy, white, fishy discharge
pathology in bacterial vaginosis?
normal flora is replaced with anaerobes
what is the most common anaerobe present in BV?
gardnerella vaginalis
what substance is used to test for BV and what does it shiw?
potassium hydroxide
amplifies the smell
what happens to lactobacilli in BV?
decrease in number and are replaced
pH paper result of BV?
will show up alkaline
“epithelial clue cells on gram stain”
BV
Tx of BV?
metronidazole ONLY if symptomatic for 7 days
causes of BV?
ASCENDING INFECTION endometritis salpingitis preterm delivery ruptured membranes
male sexual partners should be treated if a female has BV T or F
F, shows no benefit
name 3 bacteria responsible for STIs
chlamydia trachomatis
neisseria gonnorhoeae
treponema pallidum
mycoplasma genitalium
what bacteria causes syphilis?
treponema pallidum
mycoplasma genitalium causes what infection?
non-gonococcal urethritis