Flashcards in Chlamydia Deck (23)
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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
