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MY Bacteriology FINAL > Chlamydia > Flashcards

Chlamydia Flashcards

1
Q

What cats come into the clinic and their eyes are swollen shut, you should suspect ____

A

Chlamydia

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2
Q

Chlamydia is ____ intracellular, gram negative organism

A

obligate

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3
Q

What are the two forms of Chlamydia and which one is metabolically active?

A

elementary body- infectious, metabolically inert

reticulate body- elementary body inside cells, metabolically active- replicating

*reticulate body differentiates into more elementary bodies that it will release from the cell

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4
Q

What chlamydia species are zoonotic?

A

C. abortus

C. felis

C. pneumoniae- not clearly zoonotic

C. psittaci

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5
Q

What is the chlamydia species that is only a human pathogen?

A

C. trachomatis

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6
Q

Can Chalmydia abortus cause abortions in humans?

A

Yes, but it is rare

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7
Q

What chalmydia species causes enzootic abortion in Sheeps and goats?

A

Chlamydia Abortus

*picture of necrotic cotyledons

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8
Q

What Species of Chlamydia causes conjunctivitis in cats?

A

Chlamydia Felis

*discharge from eyes and nose

*normally begins in one eye but becomes bilateral

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9
Q

How is Chlamydia transmitted in humans?

A

Ingestion

Aerosol

eye inoculation

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10
Q

How is Chlamydia abortus transmitted?

A

ingestion of abortion products

*placenta, discharges

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11
Q

How is Chlamydia felis transmitted?

A

Ocular and nasal secretions

*usually all kittens in a group will have it

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12
Q

What does C. pneumoniae cause in humans?

A

cough

pneumonia

fever

*not demonstarted to be zoonotic, but has been isolated from both animals and humans

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13
Q

What is the best antibiotic to give for Chlamydia?

A

Tetracycline

*intracellular organism so this antibiotic works very well

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14
Q

What animals do the different species of Chlamydia infect?

A

C. abortus- sheep and goats

C. felis- cats, reptiles

C. pneumoniae- horses, dogs, koalas ect.

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15
Q

What does C. pneumoniae cause in koalas?

A

asymptomatic

respiratory disease

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16
Q

What animals tend to have more severe disease associated with Chlamydia?

A

reptiles

*lethargy, nephritis, hepatitis

17
Q

True/False: Chlamydia is easy to diagnose

A

False

*Very difficult to diagnose

18
Q

Pregnant women should avoid contact with what?

A

pregnant or aborting ruminants

*avoid all contact with sheep and goats

19
Q

Good ____ is important to prevent Chlamydia in animals and humans

A

hygiene

*disinfection is important

20
Q

Chlamydophila psittaci is ____ intracellular

A

obligate

21
Q

The elementary bodies of Chlamydia are resistant to ____

A

drying

*very stable in environment

22
Q

Psittacosis is a ____ disease

A

reportable

23
Q

What humans are at high risk of catching Psittacosis?

A

People that come in contact with bird dander and feces on a regular basis

24
Q

How is Psittacosis normally transmitted to humans?

A

typically via inhalation of droppings, or feather dust

mouth to beak

25
Q

What avian species are the most susceptible to Psittacosis?

A

Psittacines- cockatiels and parakeets

26
Q

In Avian Chlamydiosis, ____ appear healthy, but are spreading the virus

A

carriers

27
Q

In avian chlamydiosis, bacteria shedding is activated by ____

A

stress

28
Q

Avian Chlamydiosis has a very variable _____

A

incubation period

*3 days to several weeks

29
Q

What are the clinial signs in pet birds with Chlamydiosis?

A

Anorexia

diarrhea

yellow droppings

respiratory distress

ataxia

trembling

30
Q

Treatment of ____ in birds is very difficult and most of them probably will die

A

Psittacosis

*if treating- long period of time

31
Q

____ need to be aware of Psittacosis and that they can catch this from their birds

A

pet bird owners

MY Bacteriology FINAL (16 decks)

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