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aa microbio semifinal > Study aid (138 - 176) > Flashcards

Study aid (138 - 176) Flashcards

1
Q
  1. What is the causative agent of syphilis?
A

Treponema pallidum subspecies pallidum

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2
Q
  1. How can syphilis spread?
A

By sexual contact, transplacental, by blood transfusion and by organ transplantation.

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3
Q
  1. What is the first symptom in syphilis?
A

Ulcus durum – painless hard ulcer, enlarged lymph nodes.

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4
Q
  1. In which stage of the syphilis can appear rush all over the body?
A

2nd stage.

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5
Q
  1. In which stages is syphilis contagious?
A

1st and 2nd stages and in the first 2 years of the latency. At 3rd stage only in utero infections may occure.

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6
Q
  1. When can develop neurosyphilis during the infection?
A

In all stages of the diseases can develop neuroyphilis.

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7
Q
  1. What is the specific diagnosis of the syphilis?
A

ELISA, TPHA, TPPA

(Treponema pallidum particle agglutination (TP-PA) i)

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8
Q
  1. When can be used non treponemal serological reactions during the infection?
A
  • RPR and VDRL is used to determine the stages of syphilis
  • To detect the reinfection
  • To control the effectiveness of the therapy
    (RPR (rapid plasma reagin) is a screening test for syphilis)
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9
Q
  1. What are the non-specific treponemal serological reactions?
A

RPR and VDRL

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10
Q
  1. What kind of diseases can be caused by Borrelia?
A

Lyme diseases and relapsing fever

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11
Q
  1. How can the Lyme disease spread?
A

By the bite of tick.

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12
Q
  1. What are the causative agents of Lyme disease? (3 examples)
A

Borrelia burgdorferi, Borrelia afzelli, Borrelia garini

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13
Q
  1. What is the causative of epidemic relapsing fever?
A

Borellia recurrentis. (recurrent fever)

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14
Q
  1. What is the vector of Lyme diseases?
A

Tick

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15
Q
  1. What is the vector of Borrelia recurrentis?
A

Body louse

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16
Q
  1. What is the molecular background of relapsing fever?
A

Bacterial antigen changing.

17
Q
  1. What is the first symptom of Lyme diseases?
A

Erythema chronicum migrans
(bull’s eyes rash)

18
Q
  1. What is the causative agent of Weil’s diseases?
A

Leptospira icterohaemorrhagiae.

19
Q
  1. What are the characteristic properties of the meningitis caused by Leptospira?
A

Serosus, non-purulent.

20
Q
  1. What is the source of the infection caused by Leptospira?
A

Zoonotic diseases, can spread by the urine of animals.

21
Q
  1. How can the Lyme diseases diagnosed?
A

By serology, ELISA screening test and fro confirmation immunoblot is used.

22
Q
  1. Which bacteria cannot have cell wall?
A

Mycoplasma, Ureaplasma.

23
Q
  1. Which bacteria can cause atypical pneumoniae?
A

Mycoplasma pneumoniae, Chlamydophila pneumoniae, Legionella pneumophila.

24
Q
  1. What is the causative agent of typhus exanthematicus?
A

Rickettsia prowaczekii

25
Q
  1. What is the causative agent of Q-fever?
A

Coxiella burnettii

26
Q
  1. What is the causative agent of parrot fever?
A

Chlamydophila psittaci.

27
Q
  1. What is the causative agent of trachoma?
A

Chlamydia trachomatis, serotype A-C.

28
Q
  1. What kind of disease can be caused by Chlamydia trachomatis serotype L1-L3?
A

Lymphogranuloma venereum.

29
Q
  1. What is the effect of the bacterial AB exotoxins?
A

They are: neurotoxins, protein synthesis inhibitors or ion secretion enhancers.

30
Q
  1. What is the effect of the cholera toxin?
A

Increasing of the cAMP, enhancing the ion secretion

31
Q
  1. What are the causative agents of impetigo contagiosa?
A

S.aureus, S.pyogenes

32
Q
  1. What is the causative agent of erysipelas?
A

Streptococcus pyogenes

33
Q
  1. What is the causative agent of Trachoma?
A

Chlamydia trachomatis A,B,C

34
Q
  1. What is the causative agent of Ophtalmoblenorrhoea neonatorum?
A

Neisseria gonorrhoeae

35
Q
  1. List 4 capsulated bacteria from the list below!
A
  • Streptococcus pneumoniae
  • Streptococcus agalactiae
  • Streptococcus pyogenes
  • Escherichia coli
  • Haemophilus influenzae
  • Neisseria meningitidis
  • Listeria monocytogenes
36
Q
  1. How many percentage of the adults are carrier of Staphylococcus. aureus?
A

20-30%

37
Q
  1. How many different kind (serotype) of capsule can be produced by Streptococcus pneumoniae?
A

94 (accepted answer: 90-100)

38
Q
  1. What is the most common causative agent of community acquired pneumonia?
A

a. Streptococcus pneumoniae

39
Q
  1. What kind of vaccines can be used to prevent invasive diseases caused by Streptococcus pneumoniae
A

a. Prevenar-13: Streptococcus pneumoniae 13 type of capsule conjugated to toxoid – recommended for new-borns and in elderly

b. Pneumovax: Streptococcus pneumoniae 23 type of capsule – recommended for adults and teenagers.

aa microbio semifinal (99 decks)

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