PTG 105-Exam 3- Lecture 17- 6

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PTG 105-Exam 3- Lecture 17- 6
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2013-04-08 00:25:08
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PTG 105 Exam Lecture 17
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PTG 105-Exam 3- Lecture 17- 6
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  1. What can occur from tertiary syphilis?
    • Insanity
    • Thoracic aortic aneurysms
    • Paralysis and blindness
  2. What disease can cause blindness, aortic aneurysm (due to vasculitis of the aorta), paralysis and insanity?
    Tertiary Syphilis
  3. How long between infection and primary syphilitic stages?
    2-6 weeks
  4. How long does primary syphilis persist?
    1-3 months
  5. How long does secondary syphilis persist?
    1-3 months
  6. How long does Latent syphilis persist?
    2-50 years
  7. What percent of Latent syphilis sufferers move on to tertiary syphilis?
    30%
  8. What percent of Latent syphilis sufferers continue in this stage for the rest of their life, never entering the tertiary stage?
    70%
  9. What two major systems are affected by tertiary syphilis?
    Cardiovascular and Central Nervous system
  10. How is Treponoma palladium visualized?
    Dark field microscopy
  11. What type of bacteria is Treponoma palladium?
    Spirochete
  12. What STD is caused by a spirochete?
    Syphilis
  13. How do you treat syphilis?
    Penicillin
  14. What are non-treponomal tests for syphilis?
    VRDL and RPR
  15. Treponomal tests for syphilis are:
    • MHA-TP
    • FTA-Abs
  16. Which is used more frequently MHA-TP and FTA-abs?
    They are used at about the same frequency
  17. Gonorrhea is caused by what bacteria?
    Neisseria Gonorrhea
  18. What is the second most common reportable STD in the United States?
    Gonorrhea
  19. How does Gonorrhea manifest itself?
    • Dysuria
    • Discharge of pus
    • Frequent urination
  20. Describe the pathogenesis of Gonorrhea?
    • Intense purulent inflammation of the urethra
    • Ascends upward causing:
    • Prostatitis
    • Cystitis
    • Orchitis
  21. What STD can cause orchitis, prostatitis and cystitis?
    Gonorrhea
  22. Chlamydia has properties similar to what else?
    A Virus
  23. What characteristics does Chlamydia have?
    It is an intracellular organism
  24. Gram negative intracellular diplococcic indicate what disease?
    Gonorrhea
  25. Neisseria Gonorrhea has what characteristics?
    • Gram negative
    • Diplococci
    • Intracellular
  26. What is the most common STD today?
    Non gonococcal urethritis
  27. What is NGU?
    Non-gonococcal urethritis
  28. What bacteria cause NGU?
    Mycoplasma, Ureaplasma urealyticum and Chlamydia trachomatis
  29. Mycoplasma, Ureaplasma urealyticum and Chlamydia trachomatis all can cause what disease?
    NGU = Non-Gonococcal urethritis
  30. What are the symptoms of Non-Gonococcal Urethritis?
    Dysuria, discharge of pus and frequent urination
  31. Lymphogranuloma venerium is caused by wht bacteria?
    Chlamydia tracomatus Strains L1, L2 and L3
  32. What strains of Chlamydia trachomatus cause Lymphogranuloma venereum?
    L1, L2 and L3
  33. Are the strains of Chlamydia trachomatus that cause Lymphogranuloma vernereum the same as the strains that cuase Non-gonococcal urethritis?
    No
  34. How many weeks after infection do ulcers form in Lymphogranuloma venereum?
    1-4 weeks after infection
  35. What are the symptoms of Lymphogranuloma venereum?
    • Chronic ulcers forming in the lower genetalia and regional lymph nodes
    • Rectal strictures
    • Granulomatou and acute inflammation in the ulcers and lymph nodes
  36. What STD causes chronic ulcers in the lower genetalia ns regional lymph nodes?
    Lymphogranuloma venereum
  37. What is unique about Lymphogranuloma venereum ulcers?
    They are mixed granulomatous and acute inflammation in the ulcers and lymph nodes
  38. What disease can cause rectal strictures?
    Lymphogranuloma venereum
  39. How is Lymphogranuloma venereum diagnosed?
    By serology or direct visualization on a biopsy
  40. How treatable are most STDs?
    Good prognosis, very treatable
  41. What is a Chancroid?
    Soft chancre
  42. What is a soft chancre termed?
    Chancroid
  43. What causes Chancroids?
    Hemophilus ducreyi
  44. Hemophilus ducreiyi causes what disease?
    Chancroids
  45. What is the most common genital ulcer in Africa?
    Chancroid
  46. Where is Chancroid most common?
    In Africa and the tropics
  47. The incidence of Chancroid is increasing or decreasing in the US?
    Increasing

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