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Definitive identification of which of the following organisms is accomplished by hemadsorption techniques?


A) Chlamydia trachomatis
B) Mycoplasma hominis
C) Mycoplasma pneumoniae
D) Ureaplasma urealyticum

E) None of the above
F) All of the above

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C

The natural habitat of Mycoplasma sp., which causes infectious disease in humans, can best be described as


A) the mucous membranes of humans.
B) the aquatic environment.
C) the natural environment.
D) the genitourinary tract of animals.

E) All of the above
F) A) and D)

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Which of the following agents lacks a cell wall and is the smallest known free-living form?


A) Chlamydia
B) Mycoplasma
C) Rickettsia
D) Coxiella

E) C) and D)
F) A) and B)

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B

Definitive identification of Mycoplasma pneumoniae is accomplished by which technique?


A) Hemadsorption of guinea pig erythrocytes
B) Traditional biochemical tests such as indole and oxidase
C) Direct detection methods such as PCR or ELISA
D) All of the above are correct.

E) B) and D)
F) A) and C)

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A

Media that can be used for isolation of Mycoplasma include


A) Thayer-Martin agar with vitamin K.
B) 5% sheep blood and IsoVitaleX.
C) beef or soybean protein with serum and fresh yeast extract.
D) Hemin and NAD supplements.

E) B) and C)
F) A) and B)

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