Study aid (138 - 176) Flashcards
1
Q
- What is the causative agent of syphilis?
A
Treponema pallidum subspecies pallidum
2
Q
- How can syphilis spread?
A
By sexual contact, transplacental, by blood transfusion and by organ transplantation.
3
Q
- What is the first symptom in syphilis?
A
Ulcus durum – painless hard ulcer, enlarged lymph nodes.
4
Q
- In which stage of the syphilis can appear rush all over the body?
A
2nd stage.
5
Q
- 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.
6
Q
- When can develop neurosyphilis during the infection?
A
In all stages of the diseases can develop neuroyphilis.
7
Q
- What is the specific diagnosis of the syphilis?
A
ELISA, TPHA, TPPA
(Treponema pallidum particle agglutination (TP-PA) i)
8
Q
- 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)
9
Q
- What are the non-specific treponemal serological reactions?
A
RPR and VDRL
10
Q
- What kind of diseases can be caused by Borrelia?
A
Lyme diseases and relapsing fever
11
Q
- How can the Lyme disease spread?
A
By the bite of tick.
12
Q
- What are the causative agents of Lyme disease? (3 examples)
A
Borrelia burgdorferi, Borrelia afzelli, Borrelia garini
13
Q
- What is the causative of epidemic relapsing fever?
A
Borellia recurrentis. (recurrent fever)
14
Q
- What is the vector of Lyme diseases?
A
Tick
15
Q
- What is the vector of Borrelia recurrentis?
A
Body louse