mid term 2 cards Flashcards
can RTIs be asymptomatic?
yes even serious ones
what is normal vag ph
3.8-4.5
what is normal semen ph
7.5
role of lactobacilli in vag
inhibits growth of anaerobes and other organisms
what will elevated vaginal ph do to lactobacilli?
kills them while anaerobes flourish
what is the most common type of vaginitis?
gardnerella (bacterial yeast infection)
what is the second most common type of vaginitis?
yeast infection (candida albicans)
are gardnerella and candidiasis STIs?
NO
what is important about trichomonas?
it is an STI and it facilitates transmission of HIV and other STIs
what stage of the virus herpes is where it is usually spread to partner?
asymptomatic viral shedding (70%)
what is the progression of herpes?
replicates in ganglia- migrates to mucosa- replicates in epithelium- lesions
where specifically does syphillis infect?
capable of infecting almost any organ and system
what do you see with primary syphillis?
chancre; PAINLESS
when do you see secondary syphillis?
2-8 weeks after chancre. Pts often develop rash
how do you diagnose someone with syphillis?
FTA-ABS: MHA-TP
what is the only STI that can be transmitted through bedding, clothing?
pubic lice
symptoms of gonorrhea?
ARTHRITIS, urethritis, cervicitis
what are two reportable drugs in oregon?
gonorrhea and chlamydia
what cells are most susceptable to HIV infection?
langerhan’s cells in the mucosa
what is the most infectious phase of HIV?
primary viremia= virusin the lymph system
what are the 5 fluids that contain HIV?
blood, semen, pre semenal fluid, vaginal fluid, breast milk
how do you test for HIV
ELISA- if positive- western blot
what do HIV screening tests look for?
anti bodies
what does the HIV window mean?
during the period of a pt being infected, they can still infect orthers but still test negative to the ELISA test
what are the clinical sx of AIDS
CD4<14% (helper T cells)
what is the treatment for AIDS
reverse transcriptase inhibitors: AZT (efficacy decreases with time)
what are common long term side effects of HIV meds?
diabetes, osteoporosis, cardiovascular dz
is Cancer a side effect of HIV meds
NO
do condoms prevent transmission of HIV more effecitively than transmission of HPV and HSV?
yes because its difficult to transmit through the oral mucosa