Final Exam: STI Flashcards
(50 cards)
STI in ______ is symptomantic
male
STI in ______ is Asymptomantic
female
_______ An infection that can be transmitted through sexual interaction (not just intercourse!)
STI
Some __1____ can be cured, others cannot
- Can cause embarrassment, compromised health, pain, infertility and even death !!
- Half of all ___1___ in U.S. are believed to occur amongst 15 - to 24 year-olds
- Most __1___ are preventable (condom)
1.STI
Factors contributing to ___1___
- •Multiple sexual partners
- •Sex without protection or condom
- •Increased use of oral contraceptives (?) less likely to use condom
- •Lack of information about ___1__ in young people
- Many ___1__ do not have obvious symptoms!!!
- STI
_____ Great imitator disease;
- Worldwide distribution; occurs in many forms
- Approx 12 millions individuals are infected each year;
- endemic amongst sex workers, MSM and drug users
MSM means
male sex male
Syphilis has 3 defined clinical stages: each with unique features ___1___, ___2___ and __3____
primary, seconday and tertiary
________ fastiduous, motile spirochete with glycocalyx
Syphilis/Treponema pallidum
______ humans are the only hosts; NO animal reservoir
Syphilis/Treponema pallidum
_____ killed by drying / chilling, disinfectants, soaps; sensitive to O2 conc, pH changes etc
Syphilis/Treponema pallidum
________ no cell free cultivation medium but can be grown in rapid testescle
Syphilis/Treponema pallidum
___1___ slow growing , survives for a few generation, can crosses placenta and infects fetus causes congenital ____1____ to the baby
1.Syphilis/Treponema pallidum
Virulence factors of _______, is Not defined well but indirect observation / evidences indicates
Syphilis/Treponema pallidum
Virulence factors of ______, some proteins that facilitates adherence to epithelial cells
Syphilis/Treponema pallidum
Virulence factors of _______ ,hyaluronidase secretion helps to infiltrate intercellular spaces
Syphilis/Treponema pallidum
Virulence factors of _______ ,Glycocalyx : protects the bacteria from phagocytosis by defense cells
Syphilis/Treponema pallidum
Transmission of _______
- sexual contacts ( major mode),
- blood transfusion ( rare, but have been reported)
- Primarily from open lesions to mucous membranes of the vagina, oral cavity, anus or via cuts / abrasions on the skin
- accomplished by penile - vaginal, oral- genital, oral- anal, or genital - anal contacts
Syphilis/Treponema pallidum
_______ has NO fomite mediated transmission if it’s dry,
but Only if toilet seat coverd by human body fluid(wet) can be transmitted.
Syphilis/Treponema pallidum
_______ Characterized by the appearance of a painless sore called chancre
Primary stage of syphilis
______ center contains heavy load of spirochetes along with serum. Lesion usually appears ~ 3 weeks after initial infection
Primary stage of syphilis
______ Initially occurs on the penis, vagina, or cervix, but can be inside mouth or rectum
Primary stage of syphilis
______ Generally, heals without treatment within
3 - 6 weeks
Primary stage of syphilis
_______ Usually occurs 2 - 8 weeks after exposure. Bacteremia initiates ; skin rash appears on body, often on palms and soles
Secondary stage of syphilis
