(Part 2) 2.21.4 Treponema

Question 1

Treponema are best observesd useing fluorescent microscope since it is stain poorly in Gram stain or Giemsa stain

T or F

Answer 1

F

Should be Dark field / Phase contrast

Question 2

Subsp of T. pallidum that causes Yaws

a. pallidum
b. pertenue
c. endemicum
d. T. carateum

Answer 2

b

Question 3

Subsp of T. pallidum that causes Venereal syphilis

a. pallidum
b. pertenue
c. endemicum
d. T. carateum

Answer 3

a

Question 4

Subsp of T. pallidum that causes Endemic non-venereal syphilis (Bejel)

a. pallidum
b. pertenue
c. endemicum
d. T. carateum

Answer 4

c

Question 5

Subsp of T. pallidum that causes Pinta

a. pallidum
b. pertenue
c. endemicum
d. T. carateum

Answer 5

d

Question 6

MOT for Venereal syphilis?

Answer 6

Sex, Direct blood transmission, Transplacental route

Question 7

What is the incubation period for T. pallidum?

a.7-14 days
b. 3 days
c. 24 hrs
d. 14 - 21 days

Answer 7

d

Question 8

Stages of syphilis?

Answer 8

Primary
Secondary
Latent
Tertiary

Question 9

In stages of Syphilis

Appearance of wide spread skin rash or Condyloma?

a. Primary
b. Secondary
c. Latent
d. Tertiary

Answer 9

b

Question 10

In stages of Syphilis

Absence of clinical symptoms

a. Primary
b. Secondary
c. Latent
d. Tertiary

Answer 10

c

Question 11

In stages of Syphilis

Appearance of Gummas, CNS involvement

a. Primary
b. Secondary
c. Latent
d. Tertiary

Answer 11

d

Question 12

In stages of Syphilis

Appearance of Hard chancre

a. Primary
b. Secondary
c. Latent
d. Tertiary

Answer 12

a

Question 13

In stages of Syphilis

Darkfield microscope is usually used in this/these stage

a. Primary
b. Secondary
c. Latent
d. Tertiary

Answer 13

a and b

Question 14

In stages of Syphilis

Serologic methods is used in this/these stage

a. Primary
b. Secondary
c. Latent
d. Tertiary

Answer 14

b, c, d

Question 15

What are the nontreponemal test?

Answer 15

Venereal Disease Researh laboratory (VDRL)

Rapid plasma Reagin (RPR)

Question 16

What are the Treponemal test?

Answer 16

Fluorescent Treponemal Antibody-Absorption test (FTA-ABS)

T. pallidum particle Agglutination (TP-PA)

Others:
Microhemagglutination test

Question 17

Yaws is a non venereal disease of the skin and bones

T or F

Answer 17

T

Question 18

Agent of Yaws?

Answer 18

T. pertenue

Question 19

MOT of Yaws?

Answer 19

Direct contact with open skin lesion

Question 20

Agent of Bejel

Answer 20

T. endemicum

Question 21

Bejel is nonvenereal syphilis located mostly in oral cavity

T or F

Answer 21

T

Question 22

MOT of Bejel is mouth to mouth

T or F

Answer 22

T

Question 23

Primary lesions for Bejel occur in oral mucosa

T or F

Answer 23

F

Oral cavity

Question 24

Secondary lesion of Bejel occurs in Oral Cavity

T or F

Answer 24

F

Oral mucosa

Question 25

Tertiary lesion of Bejel is widespread in?

Answer 25

Skin and Bones

Question 26

Agent of Pinta

Answer 26

T. carateum

Question 27

MOT of Pinta?

Answer 27

Direct contact with infected lesion

Question 28

SKin lesions are flat red and become depigmented but do not ulcerate

T or F

Answer 28

T

Question 29

Lesions of pinta remain confined in the skin and Dessiminate to the bone

T or F

Answer 29

F

Do not Disseminate to the Bone