Bacteriology

Question 1

species that affected by Glanders

Answer 1

horses

Question 2

what is malassezia diagnosed

Answer 2

yeast on cytology

Question 3

bacteria that is zoonotic and found in wild rabbits

Answer 3

Francisella tularensis

Question 4

bacteria causes mastitis and test positive on cAMP test

Answer 4

Streptococcus agalactiae

Question 5

two things
bacteria have to help protect themselves

Answer 5

Endospores &
LPS layer

Question 6

what is the color of Staphylococcus stained on gram stain?

Answer 6

purple (gram +ve)

Question 7

which bacteria stain red with acid-fast stain

Answer 7

Mycobacterium spp.

Question 8

bacteria are fastidious anaerobes that produce endospores

Answer 8

Clostridium spp.

Question 9

What is the cause of Gram (–) enterotoxemia

Answer 9

O-polysaccharides – (LPS) – Endotoxins
found within the bacterial cell membrane, elicits strong immune response from bacteria
circulating in the blood à CS: Septic shock

Question 10

species can humans get MRSA from

Answer 10

Dog and horse

Question 11

species most commonly do you see resistance for MRSA

Answer 11

Cattle and goat

Question 12

What is the term for the transfer of genetic material between bacteria

Answer 12

Conjugation

Question 13

Most common bacterial pathogen on skin of dogs

Answer 13

Staphylococcus pseudointermedius

Question 14

Collecting sample from clitoral sinus is to diagnose what in horses

Answer 14

Taylorella equigenitalis
(CEM)

Question 15

What vitamin is decreased when there is overgrowth of bacteria in the GIT

Answer 15

B12

Question 16

What is the causative agent of RMSF (Rocky Mountain spotted fever)

Answer 16

Rickettsia rickettsi

Question 17

Why does Listeriosis have high morbidity and high mortality

Answer 17

Endotoxins thrives in all ages of animals and can survive wide range of temps/pH levels

Question 18

What leptospirosis spp. is most virulent to humans

Answer 18

Leptospira interrogans – Serovar:
Icterohemorrhagica

Question 19

What spp. transmits and possess the greatest risk for zoonosis of E. coli O157:H7?

Answer 19

Cattle

Question 20

What is the most common vaccine that will cause a reaction

Answer 20

Leptospira

Question 21

What are the clinical signs of salmonellosis

Answer 21

Mucousy/fibrinous bloody diarrhea and
leukopenia

Question 22

How is Salmonella spp. differentiated from Proteus spp.?

Answer 22

Salmonella spp. is Urease (–) and
Proteus is Urease (+)

Question 23

How is Staphylococcus sp. differentiated from Streptococcus sp.?

Answer 23

Catalase test: Staph (+) vs Strep (–)

Question 24

What are the characteristics of Listeria?

Answer 24

Gram (+) Rods, Catalase (+), Oxidase (–)

Question 25

What bacterial infection causes hematuria or “port-wine colored” urine?

Answer 25

Clostridium haemolyticum

Question 26

What agar is used for Gram (–) and lactose fermenting bacteria

Answer 26

MacConkey

Question 27

What agar do you use for Haemophilus parasuis

Answer 27

Chocolate agar

Question 28

A positive dermatophyte test on dermatophyte medium turns agar from what color to what color?

Answer 28

Yellow to red

Question 29

What bacteria are you killing during pasteurization

Answer 29

Coxiella burnetti

Question 30

How is Brucella sp. detected in raw milk?

Answer 30

Serum agglutination

Question 31

What can be used to treat Staphylococcus sp. infections?

Answer 31

Penicillin G

Question 32

What is the treatment for Ehrlichia sp. and other tick-borne disease such as Anaplasma sp.?

Answer 32

Doxycycline

Question 33

What is the term for a disease outbreak of multiple animals being affected at one time?

Answer 33

Epizootic (epidemic)

Question 34

What is the most likely cause of coliforms found in milk bulk tank?

Answer 34

Lack of equipment washing with subsequent environmental contamination

Question 35

What is the most common cause of foodborne shigellosis and viral hepatitis?

Answer 35

Improper handling – Handwashing

Question 36

main cause of mastitis in cattle and small ruminants

Answer 36

Staphylococcus aureus

Question 37

main cause of diarrhea in 2-3 days old cattle and sheep

Answer 37

E. coli k99

Question 38

bacteria that causes lumpy jaw

Answer 38

actinomyces bovis

Question 39

Shaker foal syndrome

Answer 39

Clostridium botulinum (Botulism toxicoinfection) neurotoxin