Mycoplasma & Hemoplasmas (Exam 2)

Question 1

Hemoplasmas are technically Mycoplasmas that control ___________.

Answer 1

RBCs

Question 2

(T/F) You can culture Hemoplasmas.

Answer 2

False!

Question 3

Hemoplasmas are members of __________ meaning “soft skin”.

Answer 3

Mollicutes

Question 4

While Hemoplasmas cannot be cultured, it is speculated that they require _________.

Answer 4

sterols

Question 5

Due to the RBC association, Hemoplasmas often lead to _________ disease.

Answer 5

anemia

Question 6

(T/F) Hemoplasmas use unique toxin genes as virulence factors.

Answer 6

False - none

Question 7

The Hemoplasma which infects pigs, formerly known as Mycoplasma suis, is now called __________ suis.

Answer 7

Eperythrozoon suis

Question 8

What disease does Eperythrozoon suis cause in pigs?

Answer 8

IAP (icteroanemia)

Question 9

Due to bacterial metabolism and glycolysis, Eperythrozoon suis causes _________ in addition to icteroanemia.

Answer 9

hypoglycemia

Question 10

What are the 3 routes of transmission of Eperythrozoon suis (Icteroanemia)?

Answer 10

1. biting arthropods
2. iatrogenic (needle/surgery)
3. in-utero

Question 11

What unique blood smear is used to help diagnose Icteroanemia caused by Eperythrozoon suis?

Answer 11

acridine orange blood smear

Question 12

Mycoplasma haemofelis or Haemobartonella felis causes what disease in cats?

Answer 12

Feline Infectious Anemia (FIA)

Question 13

In Feline Infectious Anemia, there is (normal/low) hemoglobin but (normal/increased/decreased) RBCs.

Answer 13

normal
decreased

Question 14

How is Feline Infectious Anemia transmitted?

Answer 14

blood (bite, transfusion, utero)

Question 15

Mycoplasma/Eperythrozoon _________ is an uncommon disease in cattle but carriers are common.

Answer 15

wenyonii

Question 16

In addition to anemia, Mycoplasma wenyonii causes ____________ in cattle.

Answer 16

edema (hind leg & udder)

Question 17

How is M. wenyonii transmitted in cattle?

Answer 17

vertical transmission (mother to offspring)

Question 18

Mycoplasma ___________ infects dogs and clinical signs are only seen in those that are immunosuppressed.

Answer 18

haemocanis

Question 19

What are some of the ways Mycoplasma haemocanis is transmitted?

Answer 19

dog tick/flea, oral, direct blood, transplacental