(Part 2) 2.21.4 Treponema Flashcards
Treponema are best observesd useing fluorescent microscope since it is stain poorly in Gram stain or Giemsa stain
T or F
F
Should be Dark field / Phase contrast
Subsp of T. pallidum that causes Yaws
a. pallidum
b. pertenue
c. endemicum
d. T. carateum
b
Subsp of T. pallidum that causes Venereal syphilis
a. pallidum
b. pertenue
c. endemicum
d. T. carateum
a
Subsp of T. pallidum that causes Endemic non-venereal syphilis (Bejel)
a. pallidum
b. pertenue
c. endemicum
d. T. carateum
c
Subsp of T. pallidum that causes Pinta
a. pallidum
b. pertenue
c. endemicum
d. T. carateum
d
MOT for Venereal syphilis?
Sex, Direct blood transmission, Transplacental route
What is the incubation period for T. pallidum?
a.7-14 days
b. 3 days
c. 24 hrs
d. 14 - 21 days
d
Stages of syphilis?
Primary
Secondary
Latent
Tertiary
In stages of Syphilis
Appearance of wide spread skin rash or Condyloma?
a. Primary
b. Secondary
c. Latent
d. Tertiary
b
In stages of Syphilis
Absence of clinical symptoms
a. Primary
b. Secondary
c. Latent
d. Tertiary
c
In stages of Syphilis
Appearance of Gummas, CNS involvement
a. Primary
b. Secondary
c. Latent
d. Tertiary
d
In stages of Syphilis
Appearance of Hard chancre
a. Primary
b. Secondary
c. Latent
d. Tertiary
a
In stages of Syphilis
Darkfield microscope is usually used in this/these stage
a. Primary
b. Secondary
c. Latent
d. Tertiary
a and b
In stages of Syphilis
Serologic methods is used in this/these stage
a. Primary
b. Secondary
c. Latent
d. Tertiary
b, c, d
What are the nontreponemal test?
Venereal Disease Researh laboratory (VDRL)
Rapid plasma Reagin (RPR)
What are the Treponemal test?
Fluorescent Treponemal Antibody-Absorption test (FTA-ABS)
T. pallidum particle Agglutination (TP-PA)
Others:
Microhemagglutination test
Yaws is a non venereal disease of the skin and bones
T or F
T
Agent of Yaws?
T. pertenue
MOT of Yaws?
Direct contact with open skin lesion
Agent of Bejel
T. endemicum
Bejel is nonvenereal syphilis located mostly in oral cavity
T or F
T
MOT of Bejel is mouth to mouth
T or F
T
Primary lesions for Bejel occur in oral mucosa
T or F
F
Oral cavity
Secondary lesion of Bejel occurs in Oral Cavity
T or F
F
Oral mucosa
Tertiary lesion of Bejel is widespread in?
Skin and Bones
Agent of Pinta
T. carateum
MOT of Pinta?
Direct contact with infected lesion
SKin lesions are flat red and become depigmented but do not ulcerate
T or F
T
Lesions of pinta remain confined in the skin and Dessiminate to the bone
T or F
F
Do not Disseminate to the Bone
