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26 Cards in this Set
- Front
- Back
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Risk Factors for STDs
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-number of sexual partners
-Unrpotected sex -Age -Sexual preference -Prostitution -Illicit drug use |
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Gonorrhea: Microbiology
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-Neisseria gonorhoeae
-Gram negative diplococcus -Grows best in warm, mucus secreting epithelia -Ports of entry Genitourinary tract Eyes Oropharynx Anorectum Skin |
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Gonorrhea: pathophysiology
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1)Gonococci attach to cell membranes by surface pili
2)Pinocytosis occurs followed by mucosal damage 3)Polymorphonuclear (PMN) leukocytes invade the tissue 4)Submucosal abscesses form and purulent exudates (pus) are secreted |
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Chlamydia: Pathophysiology
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1) Uptake of chlamydia EBs
2) Initial inclusions 3) Fusion of inclusions; appearance of RBs 4) RBs eithergo back to EBs or go on with infection |
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Chlamydia: Microbiology
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-Chlamydia tracomatis
-Intracellular gram negative Require material from host to reproduce Maintain cellular identity throughout development |
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Syphilis: Microbiology
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Caused by a spirochete
-Trepenoma pallidum |
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Syphilis: Pathophysiology
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1) Typically spread by sexual contact with enfected mucus membranes or skin lesions
2) T. pallidum penetrates intact mucus membrane or break in epithelium 3) Spirochetes enter blood |
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HSV: microbiology
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Type 1 - cold sores
Type 2 - genital herepes -Transmitted by Urethra, oropharynx, cervix, conjunctivae, or abraded skin |
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HSV: pathophysiology
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-Replicates in skin and mucus membranes
5 stages: 1)Primary mucocutaneous infection 2)Infection of the ganglia 3)Establishment of latency 4)Reactivation 5)Recurrent infection |
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Trichomoniasis: microbiology
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-Trichomonas vaginalis
-Flagellated,motile protozoan -Most commonly spread through sexual contact -May survive on moist surfaces up to 45 mins -More common in females than males |
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Trichomoniasis: pathophysiology
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1)Trichomonads attach to vaginal or urtethral mucosa
2)Elicit an inflammatory response 3)Manifests as discharge containing large numbers of PMN leukocytes |
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Which STD is a diplococcus?
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Gonorrhea
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This STD has infective ERs and reproductive RBs
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Chlamydia
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Chancre
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Primary syphilis
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This stage of _______ infects multisystems
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Secondary syphilis
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These two STDs can infect the CNS
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Syphilis and HSV
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This STD can cross the placenta
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Syphilis
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Nontreponemal
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Not specific testing for syphilis
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Treponemal
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Specific testing for syphilis
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Seronegative
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Primary 1st episode
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Seropositive
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non-primary 1st episode
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Prodrome
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HSV - itching, burning, or tingling at the site of future lesions
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Neonatal herpes
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-High morbidity and mortality
-May lead to permanent neurologic damage |
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Flagellated
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Trichomoniasis
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Malodorous, vaginal discharge
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Trichomoniasis
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Increases pH
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Trichomoniasis
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