CH 15 - Syphillis Flashcards
Treponema pallidum (T. pallidum) is the causative organism associated with the disease:
Syphilis
Treponema pallidum (T. pallidum) variant is the causative organism associated with the disease:
Bejel
Treponema pertenue (T. pertenue) is the causative organism associated with the disease:
Yaws
Treponema carateum (T. carateum) is the causative organism associated with the disease:
Pinta
In the primary stage of syphilis, a clinical finding is:
Development of a chancre
In the secondary stage of syphilis, a clinical finding is:
Generalized illness followed by macular lesions in most patients
In the latent stage of syphilis, a clinical finding is:
Diagnosis only by serologic methods
In the late (tertiary) stage of syphilis, a clinical finding is:
Presence of gummas
Which of the following is a term for nontreponemal antibodies produced by an infected patient against components of their own or other mammalian cells?
Reagin antibodies
The FTA-ABS test is a:
Treponemal method
The TP-PA test is a:
Treponemal method
The RPR test is a:
Nontreponemal method
In the RPR procedure, a false-positive reaction can result from all the following except:
- Infectious mononucleosis
- Leprosy
- Rheumatoid arthritis
- Streptococcal pharyngitis
Streptococcal pharyngitis
The first diagnostic blood test for syphilis was the:
Wassermann
Syphilis was initially treated with:
Heavy metals (e.g., arsenic)
Direct examination of the treponemes is most often performed by:
Darkfield microscopy
Pathogenic treponemes _______________ cultivatable with consistency in artificial laboratory media.
Are not
In infected blood, T. pallidum does not appear to survive at 4°C (39°F) for longer than:
3 days
The primary incubation period for syphilis (T. pallidum) is usually about:
3 weeks
The stage of syphilis that can be diagnosed only by serologic (laboratory) methods is the:
Latent phase
Immunocompetent patients infected with T. pallidum produce:
- Specific antibodies against T. pallidum
AND
- Nonspecific antibodies against the protein antigen group common to pathogenic spirochetes
AND
- Reagin antibodies
