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Microbiology > Mycoplasmas of Rodents, Horses, Dogs and Cats, and Humans > Flashcards

Mycoplasmas of Rodents, Horses, Dogs and Cats, and Humans Flashcards

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Biology 101 flashcards
1
Q

What Mycoplasmas are associated with rodents?

A

Mycoplasma pulmonis

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2
Q

What does Mycoplasma pulmonis cause in rodents?

A

severe chronic pneumonia, genital infections in rats and mice, chronic polyarthritis, and reproductive problems

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3
Q

Generally what do Mycoplasmas cause in horses?

A

abortion, reproductive tract infections, and respiratory tract infections

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4
Q

What has Mycoplasma felis been implicated in causing in foals?

A

pleuritis

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5
Q

What can Mycoplasma cynos be the cause of?

A

pneumonia in dogs

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6
Q

What is Mycoplasma felis associated with in cats?

A

conjunctivitis

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7
Q

Where are Mycoplasma haemofelis located?

A

on the surface of erythrocytes

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8
Q

What subgroup does Mycoplasma haemofelis belong in?

A

hemoplasma

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9
Q

What does Mycoplasma haemofelis cause?

A

feline infectious anemia

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10
Q

true or false: Mycoplasma haemofelis produces disease in dogs and cats.

A

false fam, only in cats

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11
Q

What cats are more prone to infection from Mycoplasma haemofelis?

A

cats with feline leukemia virus, immunosuppressed cats, and splenectomized cats

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12
Q

How is Mycoplasma haemofelis transmitted?

A

via blood-sucking arthropods (primary), intrauterine transmission, blood fusions, and cat fights

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13
Q

What are the stages of pathogenesis of Mycoplasma haemofelis?

A

preparasitemic, acute, recovery, and carrier

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14
Q

What is the anemia in an acute Mycoplasma haemofelis caused by?

A

splenic erythrophagocytosis

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15
Q

Without therapy, what percentage of cats die that are infected with Mycoplasma haemofelis?

A

33 percent

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16
Q

After recovery, can cats get rid of Mycoplasma haemofelis?

A

nope

17
Q

At what age is peak incidence of Mycoplasma haemofelis?

A

between 4-6 years of age

18
Q

What are the common clinical signs of Mycoplasma haemofelis?

A

depression, weakness, anorexia, weight loss, and pale mucous membranes

19
Q

What treatments are available for Mycoplasma haemofelis?

A

blood transfusions in severely anemic cats, doxycycline, enroflocin, and corticosteroids

20
Q

What species does Mycoplasma haemocanis infect?

A

dogs

21
Q

What clinical signs are associated with Mycoplasma haemocanis?

A

none

22
Q

How is Mycoplasma haemocanis transmitted?

A

the brown dog tick

23
Q

What clinical disease is caused by Mycoplasma haemocanis?

A

anemia

24
Q

What dogs are susceptible to infection by Mycoplasma haemocanis?

A

splenectomized dogs, or in dogs with concurrent infection with eschericia, other bacteria, babesia, or viruses

25
Q

What are the common Mycoplasmas that infect humans?

A

Mycoplasma pneumoniae, ureaplasma urealyticum, and Mycoplasma fermentans

26
Q

Generally, what is Mycoplasma pneumoniae a cause of in humans?

A

primary atypical pneumonia

27
Q

What virulence factors does Mycoplasma pneumoniae have?

A

P1 antigen and cell fusion

28
Q

The level of _______ is associated with the severity of Mycoplasma pneumonia disease.

A

hypersensitivity

29
Q

What is the most common clinical syndrome associated with Mycoplasma pneumoniae?

A

tracheobronchitis

30
Q

What other clinical syndrome can develop as a cause of Mycoplasma pneumoniae but is indistinguishable from this syndrome caused by other viruses?

A

pharyngitis

31
Q

About 1/3 of individuals develop ________ as a result of a Mycoplasma pneumoniae infection.

A

pneumonia

32
Q

How is Mycoplama pneumonia treated?

A

Macrolides

33
Q

What does Ureaplasma urealyticum cause?

A

non-gonococcal urethritis in human males

34
Q

What is the most common mycoplasma involved in disease in AIDs patients?

A

Mycoplasma fermentans

Microbiology (50 decks)

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