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

Question 1

What Mycoplasmas are associated with rodents?

Answer 1

Mycoplasma pulmonis

Question 2

What does Mycoplasma pulmonis cause in rodents?

Answer 2

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

Question 3

Generally what do Mycoplasmas cause in horses?

Answer 3

abortion, reproductive tract infections, and respiratory tract infections

Question 4

What has Mycoplasma felis been implicated in causing in foals?

Answer 4

pleuritis

Question 5

What can Mycoplasma cynos be the cause of?

Answer 5

pneumonia in dogs

Question 6

What is Mycoplasma felis associated with in cats?

Answer 6

conjunctivitis

Question 7

Where are Mycoplasma haemofelis located?

Answer 7

on the surface of erythrocytes

Question 8

What subgroup does Mycoplasma haemofelis belong in?

Answer 8

hemoplasma

Question 9

What does Mycoplasma haemofelis cause?

Answer 9

feline infectious anemia

Question 10

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

Answer 10

false fam, only in cats

Question 11

What cats are more prone to infection from Mycoplasma haemofelis?

Answer 11

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

Question 12

How is Mycoplasma haemofelis transmitted?

Answer 12

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

Question 13

What are the stages of pathogenesis of Mycoplasma haemofelis?

Answer 13

preparasitemic, acute, recovery, and carrier

Question 14

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

Answer 14

splenic erythrophagocytosis

Question 15

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

Answer 15

33 percent

Question 16

After recovery, can cats get rid of Mycoplasma haemofelis?

Answer 16

nope

Question 17

At what age is peak incidence of Mycoplasma haemofelis?

Answer 17

between 4-6 years of age

Question 18

What are the common clinical signs of Mycoplasma haemofelis?

Answer 18

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

Question 19

What treatments are available for Mycoplasma haemofelis?

Answer 19

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

Question 20

What species does Mycoplasma haemocanis infect?

Answer 20

dogs

Question 21

What clinical signs are associated with Mycoplasma haemocanis?

Answer 21

none

Question 22

How is Mycoplasma haemocanis transmitted?

Answer 22

the brown dog tick

Question 23

What clinical disease is caused by Mycoplasma haemocanis?

Answer 23

anemia

Question 24

What dogs are susceptible to infection by Mycoplasma haemocanis?

Answer 24

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

Question 25

What are the common Mycoplasmas that infect humans?

Answer 25

Mycoplasma pneumoniae, ureaplasma urealyticum, and Mycoplasma fermentans

Question 26

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

Answer 26

primary atypical pneumonia

Question 27

What virulence factors does Mycoplasma pneumoniae have?

Answer 27

P1 antigen and cell fusion

Question 28

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

Answer 28

hypersensitivity

Question 29

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

Answer 29

tracheobronchitis

Question 30

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

Answer 30

pharyngitis

Question 31

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

Answer 31

pneumonia

Question 32

How is Mycoplama pneumonia treated?

Answer 32

Macrolides

Question 33

What does Ureaplasma urealyticum cause?

Answer 33

non-gonococcal urethritis in human males

Question 34

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

Answer 34

Mycoplasma fermentans