Bact 1 Exam

Front 1

Lesions on lungs

Back 1

metastisize and spread through lymph.

Front 2

Spread by inhalation

Back 2

ingestion

Front 3

What disease is associated with Pasteurella multocida in cows? Shipping Fever: fibrous pleuropneumonia and/or septicemia. Result of lowered resistence due to overcrowding

Back 3

exhaustion

Front 4

What are the common virulence factors associated with P. multocida? "Capsule (hyaluronic

Back 4

capsular type A

Front 5

What disease is associated with P. multocida in poultry? Fowl cholera: fulminating bacteremia

Back 5

depression

Front 6

Sheep: pneumonia

Back 6

septicemia"

Front 7

A or T

Back 7

refer to fermenting ability"

Front 8

What are the characteristics of Actinobacillus? "Gram -

Back 8

urease +

Front 9

What disease is caused by actinobacillus equuli equuli? "Septicemia (w/o gross lesions)

Back 9

severe enteritis

Front 10

What disease is caused by Actinobacillus equuli hemolytica? "Suppurative pneumonia in adult horses

Back 10

typically due to over training.

Front 11

What are the characteristics of hemophilus? "Gram -

Back 11

facultative anaerobes

Front 12

Some indole +

Back 12

some can use N2 instead of O2"

Front 13

"The species of hemophilus are ______

Back 13

meaning they require ________ for growth. (multiple answeres for 2nd blank)

Front 14

2. Require X factor (heme

Back 14

for transport) and V factor (NAD).

Front 15

Why has histophilus somnus been renamed? It previously belonged to the genus hemophilus

Back 15

but does not require an X or V factor. So it has been moved to a "catch all" genus

Front 16

Atrophic rhinitis in pigs - sneezing

Back 16

coughing

Front 17

Bordetella bronchiseptica is obligate parasite of _____________. URT of dogs

Back 17

pigs

Front 18

What are the associated virulence factors?" "Intestinal adenomatosis: necrotic enteritis

Back 18

proliferative ileitis. Obligate intracellular parasite.

Front 19

What are the characteristics of spirochaetales? "Thin

Back 19

but long and flexible

Front 20

Coiled

Back 20

corkscrew motility by axial filaments

Front 21

What is a common disease characteristic in Borrelia species? Relapsing fever: initial outgrowth of infecting population causes emergence of variety of antigenically distinct clones during out growth

Back 21

causing a relapse at a later time.

Front 22

What disease is caused by Borrelia burgdorferi? Lyme Disease (dogs

Back 22

humans); transmitted by ticks. Antigenically stable in blood (produces no varients). Present with lameness in 1+ joint and large round rash

Front 23

What disease is caused by Borrelia anserina? Fowl Spirochetosis: systemic infection. Depression

Back 23

profuse diarrhea. Death within 1-2 days.

Front 24

What are the characteristics of leptospirosis? "Long

Back 24

thing

Front 25

How many species of leptospirosis are medically important? 1. L. interrogtans

Back 25

but it has MANY serovars

Front 26

Animals infected with a serovar from another host is typically resistant

Back 26

but if it does develop disease it is typically more virulent. "

Front 27

Reproduce in large numbers in interstitial and parenchymatous regions of the liver

Back 27

spleen

Front 28

Immune cells typically engluf most of these organisms

Back 28

but fail to get bacteria with little antigenic protection (eye = uveitis

Front 29

Acute infection: icterus

Back 29

uremia

Front 30

What is the lepto serovar that has a pig host? "Lepto. pomona: typically causes fever

Back 30

anorexia.

Front 31

Accidental in horses

Back 31

but causes uveitis. "

Front 32

The cow is the host of what lepto serovar? Lepto Hardjo: causes fever

Back 32

anorexia

Front 33

Hypersecretion of water/electrolytes. Dehydration leads to acidosis and death. Colonic diarrhea by invasion/inflammation of colonic epithelium

Back 33

but inflammation limits infection. "

Front 34

What are the characteristics of brucella? "Nonmotile

Back 34

gram -

Front 35

What is erythritol? Four carbon polyhydric alcohol factor that enhances infecting organisms of brucella

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but is only present in hosts prone to abortion.

Front 36

What disease is caused by Brucella abortus? Brucellosis: cauases abortion and epididymitis. Generalized infection of reticuloendothelial system

Back 36

but generalized in placenta and male genetalia.

Front 37

Differentiated by A/M antigens

Back 37

growth on dye

Front 38

Why can brucella be a particularly difficult infection to clear? It lives intracellularly within macrophages

Back 38

the phagocytic cells of the immune system that are suppose to kill the bacteria.

Front 39

Gram -

Back 39

rods

Front 40

What disease (symtoms) are caused by anaplasma marginale and centrale? Anemia

Back 40

severe cases can cause icterus. Enlarged spleen

Front 41

What disease is associated with Neorickettsia risticii? Potomac fever in horses: fever

Back 41

profuse diarrhea

Front 42

What disease is associated with chlamydophila psittaci? "Avian Chlamydosis: occular

Back 42

respiratory or systemic. Profuse diarrhea and general wasting. Respiratory transmission is most common.