Tertiary syphilis is best diagnosed by:

clinical signs and dark field examination

Gram stain of a throat swab from a patient with Vincent's angina may reveal:

Borrelia and B hemolytic streptococci

Fusobacteria and anaerobic gram negative bacilli

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1Motility of spirochetes is due to:
1. Aperitrichate flagella
2. Bsingle polar flagellum
3. Caxial filaments
4. Dlophotrichate flagella
2Tertiary syphilis is best diagnosed by:
1. Aculture
2. Bclinical signs and dark field examination
3. Cnon treponemal Ag tests
4. Dtreponemal Ag tests
3Patient serum gives positive RPR and negative FTA indicates:
1. ASyphlitic infection
2. BPatient intemission
3. CFalse negative FTA
4. DFalse positive RPR
4Gram stain of a throat swab from a patient with Vincent's angina may reveal:
1. ABorrelia and B hemolytic streptococci
2. BFusobacteria and leptospira
3. CFusobacteria and anaerobic gram negative bacilli
4. DBorrelia and fusobacteria
5Positive VDRL can be obtained in:
1. ASyphilis
2. BInfectious mononucleosis
3. CWeil's disease
4. DAll are correct