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Flashcards in Chlamydia Deck (23):
0

The elementary body of Chlamydia is rigid because of __

Cross-linking of disulfide bonds

1

The elementary bodies of Chlamydia often infect what kind of cells in the body?

Columnar epithelial cells

2

How does a reticulate body produce elementary bodies?

Binary fission

3

False about Chlamydia reticulate body
A. Infectious
B. Metabolically active
C. Fragile membrane
D. lack crosslinking of disulfide bonds

A

Elementary body ang infectious

4

How are serovars of C.trachomatis classified?
A. Major outer membrane proteins
B. Culture media
C. Presence of flagella
D. Oxidase test result

A

5

C.trachomatis affects humans only. T or F?

T

6

Infection of C.trachomatis stimulates long-lasting immunity. T or F?

T

7

Patients with trachoma infection may be also infected with gonorrhea. T or F?

T

8

Trachoma may lead to blindness due to scarring of this part of the eye
A. Retina
B. Iris
C. Conjunctiva
D. Lens

C.Conjunctiva

9

What abnormality is usually seen in conjunctivitis caused by trachoma?
A. Lack of muta
B. Milky muta
C. More tears
D. All of the above

B

10

Secondary stage of lymphogranuloma venereum, present in C.trachomatis infectionw

Painful buboe

11

In culture process of C.trachomatis, ___ stains glycogen in inclusion bodies, that is why it is used

Iodine

12

Antigen detection technique usually used in ER,OPD

ELISA

13

Antigen detection technique usually used to confirm results of other diagnostic tests

DFA

14

What was C.pneumoniae originally called?

TWAR strain

15

C.pneumoniae attaches to host cell via __

Major outer membrane proteins

16

Another name for psittacosis

Parrot fever

17

C.psittaci mainly infects

A.cats
B.dogs
C.fishes
D.birds

D

18

psittacosis may be treated with erythromycin, true or false?

True

19

What serologic technique is usually used to detect C.psittaci?

Microimmunofluorescence

20

Which organs may experience organomegaly in the pathogenic course of C.psittaci?

Liver and spleen

21

Which is TRUE?
A.peptidoglycan layer is lacking in Chlamydia
B.RB produces proteins when they enter and become EB
C.RB enters cell via receptor-mediated endocytosis and pinocytosis
D. conglomerations of RB produce inclusion cells

A

for B: EB produces proteins and becomes RB
for C AND D: EB dapat. NOT RB

22

When iodine is used to stain glycogen @ inclusion bodies, the technique s called

McCoy cell lines