Campylobacter (Exam 4)

Question 1

Campylobacter is a gram (negative/positive), curved _______.

Answer 1

negative
rod

Question 2

(T/F) Campylobacter is Cytochrome C oxidase positive.

Answer 2

True

Question 3

(T/F) Campylobacter utilizes carbohydrates.

Answer 3

False

Question 4

In terms of oxygen requirement, Campylobacter is __________ to _________.

Answer 4

microaerophilic
anaerobic

Question 5

(T/F) Campylobacter is hemolytic.

Answer 5

False (non-hemolytic)

Question 6

(T/F) Campylobacter is zoonotic.

Answer 6

True

Question 7

(T/F) Campylobacter uses siderophores to steal iron from the host.

Answer 7

False (rely on other organisms)

Question 8

Campylobacter _______ is an obligate parasite which infects ruminants.

Answer 8

fetus

Question 9

Within Campylobacter fetus, which subspecies causes Bovine Genital Campylobacteriosis?

Answer 9

C. fetus subspecies venerealis

Question 10

The main cause of infertility in cattle in the US:

Answer 10

C. fetus subspecies venerealis

Question 11

What 2 clinical signs occur with cattle infected with C. fetus subspecies veneralis?

Answer 11

infertility
abortion

Question 12

Bulls with Bovine Genital Campylobacteriosis have libido loss, weight loss, but NO ________ or ________.

Answer 12

infertility
acquired immunity

Question 13

Bovine Genital Campylobacteriosis is difficult to detect in (old/young) bulls, while the other are easily infected and become carriers.

Answer 13

young

Question 14

How is Bovine Genital Campylobacteriosis transmitted?

Answer 14

venereal (natural or AI)

Question 15

The main infection site for C. fetus subspecies venerealis in females is ______ while males it is _______.

Answer 15

uterus
prepuce

Question 16

_____ & ____ antibodies immobilize bacteria and prevent adherence during Bovine Genital Campylobacteriosis infection.

Answer 16

IgG
IgA

Question 17

______ is the major protective antibody in the cervix and vagina with Bovine Genital Campylobacteriosis infection.

Answer 17

IgA

Question 18

________ tests or culture are the two main ways to diagnose Bovine Genital Campylobacteriosis.

Answer 18

immunological

Question 19

Which species & subspecies of Campylobacter causes Ovine Epizootic Abortion?

Answer 19

C. fetus subspecies fetus

Question 20

What is unique about C. fetus subspecies fetus that makes it anti-phagocytic and allows for antigenic variation?

Answer 20

produces S-layer

Question 21

(T/F) C. fetus subspecies fetus is part of the normal flora of sheep.

Answer 21

False (cattle)

Question 22

What is the major clinical sign in Ovine Epizootic Abortion?

Answer 22

abortion

Question 23

(T/F) Abortion occurs without prior clinical signs in Ovine Epizootic Abortion.

Answer 23

True

Question 24

How is C. fetus subspecies fetus transmitted?

Answer 24

fecal-oral (ingestion)
NOT venereal!

Question 25

Which type of secretion system does Campylobacter jejuni subsp. jejuni use that resembles a phage or virus infecting DNA into the host cell?

Answer 25

Type VI (6)

Question 26

Which species are affected by C. jejuni subsp. jejuni? (4)

Answer 26

sheep dogs cats humans

Question 27

(T/F) C. jejuni subspecies jejuni is part of normal GI flora.

Answer 27

True

Question 28

(T/F) C. jejuni subspecies jejuni is zoonotic so humans can get it from their pets.

Answer 28

True

Question 29

What clinical sign in seen in dogs and cats infected with C. jejuni subsp. jejuni? Sheep?

Answer 29

dogs/cats: enteritis (diarrhea) sheep: abortion

Question 30

Humans secondarily infected with Campylobacter jejuni subsp. jejuni develop what problem?

Answer 30

food poisoning

Question 31

In terms of C. jejuni subspecies jejuni, a presumptive diagnosis can be made via ______ or ______ microscopy while culture is used as a definitive diagnosis.

Answer 31

darkfield or phase

Question 32

Which Campylobacter is a fastidious, microaerophilic thermophile affecting poultry?

Answer 32

C. hepaticus

Question 33

What disease does Campylobacter hepaticus cause in poultry?

Answer 33

Spotty Liver Disease

Question 34

How is Spotty Liver Disease transmitted?

Answer 34

fecal-oral (raw milk, poultry, water)

Question 35

(T/F) Campylobacter hepaticus can be transmitted transovarially.

Answer 35

False

Question 36

(T/F) Campylobacter hepaticus is part of the normal flora in many animals.

Answer 36

True