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37 Cards in this Set
- Front
- Back
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Microbiology refers to?
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study of all living things that are microscopic in size
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Before microbiology what theories where cause of dz?
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sin
planets and stars season change spontaneous generation |
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Who proved that theories where wrong about disease?
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Pasteur and koch
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Anton J. Van Leeuwenhock
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first to demostrate the powers of microscopy
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Francesco Redi
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among the first to help disprove spontaneous generation
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Francesco Redi also did what?
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applied gauze over meat which then had maggots grow on the gauze but not on the meat
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Edward Jenner
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Developed cowpox vx which gave cross-immunity to smallpox
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Edward Jenner also did what?
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ground up sores from a cow udder and injected them into milk maids.
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Louis Pasteur trained as a?
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chemist
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Louis Pasteur proved?
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spoilage is caused by bacteria and that heating for short time can prevent bacterial growth..
(pasteurizing) |
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Lazzaro Spallanzani
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proved that boiling & isolating food from air no microbes would grow in it.
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Robert Koch did what?
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stained bacteria with dyes
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Robert Koch perfected?
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isolation of bacteria with an agar.
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Robert Koch discovered?
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bacteria that causes tuberculosis
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Robert Koch reported?
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the isolation of bacteria that causes anthrax
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Robert Koch postulates?
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must meet certain criteria to prove that there is a relationship between a organism and disease.
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What 4 criteria must happen for disease to occur from bacteria?
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1. organism is seen in every case of disease
2. the organism can be isolated and grown in pure culture. 3. the cultured organism must cause dz when a susceptible animal is inoculated. 4. organism must be able to be recovered from the inoculated animals. |
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factors that help determine if disease will occur?
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1. dose
2. tissue affinity 3. portal of entry 4. toxins 5. enzymes 6. host |
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defense against disease
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physical barrier
chemical barrier biological barriers |
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factor that affect animal contracting disease
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space
ventilation temperature sanitation nutrition water colostrum |
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Factors that help determine if disease will occur?
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Dose
Tissue affinity portal of entry toxins enzymes host |
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Host defense mechanisms?
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Physical barries (skin, hair, mucous membranes,
Chemical barriers (stomach acid, sweat, saliva, tears, blood and lymphatic tissues) |
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Factors that affect animal hygiene & production
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space
ventilation temperature sanitation nutrition water colostrum |
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Other factors that affect the animals hygiene and production
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age
separate species breed mature animals prenatal & delivery assistance immunization parasite control monitor for disease isolate as needed |
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How to animals contract disease?
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direct contact
fomites (objects) airborne ingestion vectors (mosquito, fleas, bugs, ticks) Sexual contact |
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Pathognomonic
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characteristics or symptoms are present for a particular disease
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Nonspecific
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relating to an infection not known to be caused by a specific pathogen
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Marked inflammation
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redness, swelling, heat, pain, loss of normal function
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inflammatory response causes:
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pathogenic organisms, mechanical trauma, thermal injuries, immune reaction, foreign material.
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What can cause disease?
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Parasites
Bacteria Fungi Virus Fomites |
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Zoonotic
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Disease transferable among all species
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Name the five different types of vaccines
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Killed virus
modified live virus vector - doesn't block maternal antibodies Subunit DNA - mimic bodies knowledge of virus |
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AAHA core canine vaccines?
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Distemper
Hepatitis also known as Adenovirus II Parvo Rabies |
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AAHA NOT recommend vaccines?
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Corona virus, can mimic parvo but not sloughing digestive system.
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AAFP core feline vaccines?
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Feline viral rhinotracheitis,
fleine calicivirus panleukopenia rabies |
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AAFP NOT recommend?
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feline infectious peritonitis
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Feline vaccines may cause this reaction
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Monitor patient for sarcoma tumors at vaccine sites, if lump is 3mm after vaccine, larger then 2cm in diameter, and increasing in size after 1 month post vaccine all should be evaluated by DVM and possibly biopsy
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