Shared Flashcard Set

Details

Animal Disease 1
Bacterial infections
65
Veterinary Medicine
Undergraduate 2
03/09/2008

Additional Veterinary Medicine Flashcards

 


 

Cards

Term
[image]gram? bacteria
Definition

 

Gram (+) bacteria

 

-stains purple because of the absence of an outer lipid membrane 

Term
[image]gram? bacteria
Definition

 

Gram (-) bacteria

 

-stains pink because of its outer lipid membrane 

Term

 

 


Eukaryotic cells

 

(description, reproduction process) 

Definition

 

-large in size

-animal cells, plant cells

-contains a membrane-bound nucleus

-reproduces through mitosis 

Term

 

 

 

Prokaryotic cells

 

(description, reproductive process) 

Definition

 

-small in size

-bacteria

-does not contain nuclear membrane

-reproduces through binary fission 

Term

 

 

The 3 main shapes of bacteria: 

Definition

 

1) cocci: circular

2) bacilli: rod shaped

3) spirilla: spiral shaped

Term

 

 

 

Average generation time for:

Binary Fission

Definition

 

 

every 20 minutes if conditions are ideal

 

(different generation time for different species) 

Term

 

 

 

The process of:

Binary Fission

Definition

 

 

1) the cell elongates and the DNA is replicated

2) the cell wall and plasma membrane begin to divide

3) cross-wall forms completely around divided DNA

4) Cells seperate 

Term

 

 

 

Endospores

 

(description of occurance) 

Definition

 

 

-produced by some cells, but not all

- occurs when nutrients are scarce (environment not conducive to binary fission)

-tough, dormant, non-reproductive stage 

-formed at the a terminal of the cell (one end)

-highly resistant, can only be killed with steam sterilization 

Term

 

 

Anthrax

 

( description of bacteria )

-5 main points 

Definition

 

1) large

2) non motile

3) Gram (+)

4) endospore forming

5) Bacilli shape 

Term

 

 

 

Anthrax

 

(3 ways of transmission) 

Definition

 

 

 

1) inhalation

2) skin exposure

3) GI/orally ingested 

Term

 

 

 

Anthrax

 

(how animals get infected) 

Definition

 

 

 spores in the soil can be swallowed, or kicked into the air and inhaled 

Term

 

 

 

 Anthrax

 

(how humans get infected) 

Definition

 

 

 

1) contact with the spores by handling infected animal hides, hair, bone products, or wool <fomites>

2) by direct contact with infected animals

3) Bioterrorist attack 

Term

 

 

 

Anthrax

 

(clinical signs in animals)

<8> 

Definition

 

1) sudden death - very rapid illness

2) ataxia

3) dyspnea (difficulty breathing)

4) fever

5) seizures

6) hemorrahages (mounth, nose, anus)

7) swelling (neck, throat, shoulders)

8) bloat 

Term

 

 

Anthrax

 

(clinical signs in humans)

<4> 

Definition
 1) cutaneous (most common)
    -skin lesions
    -low mortality if treated
2 ) Pulmonary (rare in the united states)
    -cold like symptoms that rapidly progress
    -high mortality 
3) GI (rare)
    -abdominal pain, hemorrhage
    -high mortality
4) Systemic (rare)
    -neurologic signs
    -fatal
Term

 

 

 

Anthrax

 

(diagnosis) 

Definition

 

1) laboratory confirmation

2) culture

3) serologic tests 

Term

 

 

 

Anthrax

 

(treatment in both humans and animals) 

Definition

 

Antibiotics

humans:

oxytetracycline, erythromycin, sulfonamides

 

animals:

ciprofloxacin, doxycycline, rifampin, vancomycin

Term

 

 

 

Bite Wounds

 

(occurance and statistics) 

Definition

 

 

1) most animal bite wounds come from dogs

2) 50% of the population (US) will incur a bite wound

3) typically dog bites occur the most in children, and cat bites occur the most in women 

4) the cause of 20 deaths annually in the US 

5) 1-3 million anually occur in US

6) most bites are from a family or neighbor's pet 

Term

 

 

Bite wounds

 

(cat bites) 

Definition

 

 

-mostly puncture wounds

-almost 50% of cat bites become infected 

Term

 

 

 

Canine&Feline oral bacteria

Definition

 

1) half or more bite wounds have both aerobic and anaerobic bacteria 

 

2) bacteria commonly found in the mouth:

pasteurella, staphylococcus, moraxella, corynebacterium 

Term

 

 

Brucellosis

 

(general distribution information) 

Definition

 

1)worldwide distribution 

 

2)disease of mainly:

    -cattle

     -swine

     -goats

     -sheep

     -bison

     -dogs
 

Term

 

 

Brucellosis

 

(bacteria description)

<5 main characteristics> 

Definition
1) small
 
2) Gram (-) negative
 
3) non-motile
 
4) non-spore forming
 
5) coccobacilli shape (oval bacterial cell, intermediate between coccus and bacillus) 
Term

 

 

Brucellosis

 

(genus,species for which species)

<5> 

Definition
1) Brucella abortus--->bison and cattle
 
2) Brucella suis--->swine
 
3) Brucella canis--->dogs
 
4) Brucella melitensis--->goats
 
5) Brucella ovis--->sheep
Term

 

 

Genus, species of Brucellosis that causes mild disease in humans

 

<2 types> 

Definition

 

 

 

*Brucella abortus (bison and cattle)

 

*Brucella canis (dogs)

Term

 

 

Genus, species of Brucellosis that causes fatality to humans

 

<2 types> 

Definition

 

 

 

*Brucella suis (pigs)

 

*Brucella melitensis (sheep and goats)

Term

 

 

 

Brucellosis

 

(how animals typically get infected) 

Definition
 
1) Vehicles (fomites)
    -contaminated food
    -contaminated water
 
2) Direct contact
    -ingestion from aborted fetus, uterine discharges
    -licking contaminated genitals
    -copulation
    -artificial insemination (AI) 
Term

 

 

 

Brucellosis

 

(how humans get infected) 

Definition
 
1) accidental vaccination
    -injecting selves while vaccinating an animal
2) Direct contact (with open skin)
    -handling infected tissues
    -infected secretions
    -consuming infected products (infected/ milk or
     cheese)
 
Term

 

 

 

Brucellosis

 

(clinical signs in animals)

<4> 

 

Definition
 
1) infertility in both sexes
 
2) abortion
 
3) infected placenta, uterus, fetus
 
4) infected testes, or accessory sex glands 
Term

 

 

 

Brucellosis

 

(clinical signs in humans)

 

 

Definition

 

 

 

Flu-like symptoms

- undulating fever that fluctuates during the day 

 

 

 

 
Term

 

 

Brucellosis

 

(Diagnosis) 

 

Definition

 

In animals:

-laboratory confirmation

-culture

-serologic tests

 

In humans:

-difficult because the symptoms are flu-like 

Term

 

 

 

Brucellosis

 

(Treatment in animals) 

 

Definition

 

 

*Eradication 

-some may recover, but only to become carriers of the disease 

Term

 

 

 

Brucellosis

 

(Treatment in humans) 

Definition

 

 *Antibiotics

-Doxycycline and Rifampin

Term

 

 

 

Brucellosis

 

(prevention and control) 

 

Definition

 

1) cattle

   -testing of milk tanks

   -vaccination

2) swine

    -testing

    -slaughter house inspections

    -NO VACCINATION

3) Pasturization of milk and milk products 

Term

 

 

Cat Scratch Fever

 

(reservoir and transmission) 

Definition
 
1) Reservoir= domestic cat
 
2) Vector= Fleas
 
3) Transmission:
    -cat-->cat= fleas
    -cat-->humans= dry infected flea feces via cat's claw (scratch) 
 
Term

 

 

Cat Scratch Fever

 

(bacteria description)

<3, inclucing genus/species> 

Definition

 

1) genus/species= Bartonella henselae

 

2) Gram (-) negative 

 

3) Bacilli (rod) shaped 

Term

 

 

 

Cat Scratch Fever

 

(clinical signs)

<4> 

Definition
 
1) in animals:
    -none, cats are the reservior and do not become infected
 
2) in humans:
     -red papule at the site
     -lymph node enlargement
     -low grade fever
     -lethargy
 
Term

 

 

 

Cat Scratch Fever

 

(diagnosis) 

 

Definition
1) in animals
    -none, does not infect the cat
 
2) in humans:
    -serology, PCR
 
Term

 

 

 

Cat Scratch Fever

 

(Treatement in humans)

<4> 

Definition
 
1) spontaneous resolution
 
2) antipyretics (for the fever)
 
3) analgesics
 
4) antibiotics 
Term

 

 

 

 Cat Scratch Fever

 

(prevention and control) 

Definition

 

1) flea control

 

2) avoid scratches (handle cats gently) 

Term

 

 

 

Clostridium

 

(the four main species) 

Definition

 

1) Clostridium botulinum

 

2) Clostridium tetani

 

3) Clostridium perfingens

 

4) Clostridium difficile

Term

 

 

 

Clostridium

 

(bacteria description)

<4> 

Definition
 
1) Obligate anaerobe (needs to be free from air to live)
 
2) Gram (+) positive
 
3) Endospore forming
 
4) Toxin producing 
Term

 

 

 

Clostridium

 

(environments found in) 

Definition

 

found in all anaerobic habitats 

 

(soil, aquaitc sediment, GI tracts, manure, decaying vegetation, poorly canned food) 

Term

 

 

 

Clostridium botulinum

 

(disease of..) 

Definition
 
1) disease of
    -water fowl
    -humans
 
2) low incidence in
    -cattle, horses, sheep, and minks
 
3) Fairly resistant 
   -dogs, cats, swine
 
Term

 

 

 

Clostridium botulinum

 

(how animals&humans get infected) 

 

Definition

 

 

Ingestion of endospores, or infected food

Term

 

 

 

 Clostridium botulinum

 

(clinical signs in animals) 

<1> 

Definition

 

 

Paralysis

("limberneck" in water fowl) 

Term

 

 

 

Clostridium botulinum

 

(clinical signs in humans)

<5> 

 

Definition
1) weakness
 
2) dizziness
 
3) abdominal pain
 
4) progressive paralysis
 
5) death resulting from paralysis of the diaphragm 
Term

 

 

 

 Clostridium botulinum

 

(diagnosis) 

Definition

 

1) clinical signs

 

2) culture 

Term

 

 

 

 Clostridium botulinum

 

(treatment in both animals&humans) 

Definition

 

1) antibiotics

 

2) anti-toxins 

Term

 

 

 

 Clostridium botulinum

 

(prevention and control) 

Definition

 

*proper disposal of carcasses

*removing contaminated feed

*regrigeration of cooked food

*proper canning (do not eat food from "bulging" cans) 

Term

 

 

 

Clostridium botulinum

 

(botox) 

Definition

 

1) its neurotoxin action causes wrinkles to relax and can last 4-6 months per injection 

Term

 

 

 

Clostridium tetani

 

(disease of..) 

Definition

 

1) disease of:

    -horses (the most sensitive to tetanus)

    -sheep

    -goats

    -swine

    -humans

2) dogs, cats, and birds are fairly resistant 

Term

 

 

 

Clostridium tetani

 

(how animals and humans get infected) 

 

Definition
 
*animals
   -puncture wounds
   -castration/tail docking
 
*humans
   -puncture wounds 
Term

 

 

 

Clostridium tetani 

 

(clinical signs) 

Definition

 

1) Muscle rigidity

    -saw horse stance in animals

    -lock jaw in humans

Term

 

 

 

Clostridium tetani

 

(diagnosis) 

 

Definition

 

1) clinical signs

 

2) culture and staining 

Term

 

 

 

Clostridium tetani

 

(treatment in animals&humans) 

 

Definition
 
1) antibiotics
 
2) anti-toxins
 
3) sedatives, tranquilizers, dark quiet room 
Term

 

 

 

Clostridium tetani

 

(prevention and control) 

 

Definition

 

vaccination

(tetanus toxoid) 

Term

 

 

 

Clostridium perfringens

 

(disease of..) 

Definition

 

-poultry
-dogs
-horses
-swine
-sheep
-cattle
-goats 

Term

 

 

 

 Clostridium perfringens

 

(how animals get infected)

<2> 

Definition

 

1) soil ingestion

 

2) over eating- excess starch creates environment for growth and toxin produciton 

Term

 

 

 

Clostridium perfringens

 

(how humans get infected) 

 

Definition

 

 

1) food borne (food poisoning) 

Term

 

 

 

 Clostridium perfringens

 

(clinical signs in animals)

<4> 

Definition
 
1) enteritis (intestine inflammation)
 
2) colitis (colon inflammation)
 
3) diarrhea
 
4) sudden death 
Term

 

 

 

Clostridium perfringens

 

(clinical signs in humans) 

Definition

 

1) diarrhea 6-24 hours after eating

 

2) typically self limiting and rarely fatal 

Term

 

 

 

 Clostridium perfringens

 

(diagnosis) 

Definition
 
1) clinical signs
 
2) culture and staining 
Term

 

 

 

Clostridium perfringens

 

(treatment) 

 

Definition
1) animals
    -antibiotics, supportive care
    -ineffective due to severity
 
2) humans
    -none, usually self limiting 
Term

 

 

 

Clostridium perfringens

 

(prevention and control) 

Definition

 

 

Vaccination

- tetanus toxoid 

Supporting users have an ad free experience!