15 Questions
Which bacterial species is the smallest free-living bacteria?
Mycoplasma genitalium
What characteristic makes mycoplasmas highly fastidious?
Lack of many metabolic pathways
Which genus is facultative anaerobe except for one species?
Mycoplasma
Among the listed genera, which one requires complex media for isolation?
Mycoplasma
What distinguishes mycoplasmas in terms of genome size compared to other bacteria?
They have the smallest genome
Which of the following statements about Mycoplasma pneumoniae is true?
It is a strict pathogen that causes upper respiratory tract disease.
What is the primary virulence factor of Mycoplasma pneumoniae?
Adherence proteins like P1 adhesin
What is the result of Mycoplasma pneumoniae colonization in the respiratory tract?
Ciliostasis and destruction of epithelial cells
Which of the following statements about the epidemiology of Mycoplasma pneumoniae is false?
It is more prevalent in tropical regions.
Which of the following organisms is associated with non-gonococcal urethritis and spontaneous abortions?
Ureaplasma urealyticum
What is a characteristic feature of Mycoplasma species?
They lack sterols in their cell membrane.
How are Mycoplasma species typically diagnosed in the laboratory?
Serology (ELISA, cold agglutinins, complement fixation test)
Which of the following statements about the clinical manifestations of Mycoplasma pneumoniae infection is true?
The incubation period is typically 2 to 3 weeks.
Which of the following statements about the colonization of Mycoplasma hominis and Ureaplasma urealyticum is false?
Carriers are always symptomatic.
What is a requirement for the growth and membrane synthesis of Mycoplasma species?
Presence of sterols
This quiz covers the general characteristics of Mycoplasma, important species of the genera Mycoplasma and Ureaplasma, laboratory diagnostic methods, treatment, and prevention of infections caused by these two genera.
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