Chlamydia Flashcards
The elementary bodies of Chlamydia often infect what kind of cells in the body?
Columnar epithelial cells
The elementary body of Chlamydia is rigid because of __
Cross-linking of disulfide bonds
How does a reticulate body produce elementary bodies?
Binary fission
False about Chlamydia reticulate body A. Infectious B. Metabolically active C. Fragile membrane D. lack crosslinking of disulfide bonds
A
Elementary body ang infectious
How are serovars of C.trachomatis classified? A. Major outer membrane proteins B. Culture media C. Presence of flagella D. Oxidase test result
A
C.trachomatis affects humans only. T or F?
T
Infection of C.trachomatis stimulates long-lasting immunity. T or F?
T
Patients with trachoma infection may be also infected with gonorrhea. T or F?
T
Trachoma may lead to blindness due to scarring of this part of the eye A. Retina B. Iris C. Conjunctiva D. Lens
C.Conjunctiva
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
Secondary stage of lymphogranuloma venereum, present in C.trachomatis infectionw
Painful buboe
In culture process of C.trachomatis, ___ stains glycogen in inclusion bodies, that is why it is used
Iodine
Antigen detection technique usually used in ER,OPD
ELISA
Antigen detection technique usually used to confirm results of other diagnostic tests
DFA
What was C.pneumoniae originally called?
TWAR strain
C.pneumoniae attaches to host cell via __
Major outer membrane proteins
Another name for psittacosis
Parrot fever
C.psittaci mainly infects
A.cats
B.dogs
C.fishes
D.birds
D
psittacosis may be treated with erythromycin, true or false?
True
What serologic technique is usually used to detect C.psittaci?
Microimmunofluorescence
Which organs may experience organomegaly in the pathogenic course of C.psittaci?
Liver and spleen
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
When iodine is used to stain glycogen @ inclusion bodies, the technique s called
McCoy cell lines
