574001
Pregunta 1
Pregunta
In general, vaccines prevent disease.
Respuesta
- True
- False
Pregunta 2
Pregunta
Clostridial immunity is excellent because
Respuesta
-
it is modified live
-
it is killed
-
of protein subunits
-
of toxoids
Pregunta 3
Pregunta
Brucellosis in cattle has been eradicated but vaccination is still persistent.
Respuesta
- True
- False
Pregunta 4
Pregunta
Which of the following is FALSE regarding vaccination against brucellosis in cattle?
Respuesta
-
Cattle should be vaccinated during calfhood
-
Cattle shipped frequently should be vaccinated
-
Buyers and sellers cannot require that calves be vaccinated
-
certification/accreditation is available for Brucellosis
Pregunta 5
Pregunta
The vaccine for which bacterium should be given to the cow as prevention in the neonate?
Respuesta
-
E. coli
-
Footrot
-
Leptospirosis
-
Pasteurellosis
Pregunta 6
Pregunta
Footrot is caused by which bacterium?
Respuesta
-
E. coli
-
Fusobacterium necrophorum
-
Leptospira pomona
-
Manheimmia hemolyticum
Pregunta 7
Pregunta
Hosts don't make good antibodies against which bacterium?
Respuesta
-
Escherichia
-
Fusobacterium
-
Leptospira
-
Pasteurella
Pregunta 8
Pregunta
Which bacteria use leukotoxins against neutrophils in the lung?
Respuesta
-
E. coli
-
Fusobacterium necrophorum
-
Leptospira
-
Pasteurella
Pregunta 9
Pregunta
Which strain was most recently added to the 6-way Leptospira vaccine?
Respuesta
-
Leptospira interrogans
-
L. serovar canicola
-
L. serovar grippotyphosa
-
L. Hardjo-bovis
-
L. serovar hardjo
-
L. serovar pomona
Pregunta 10
Pregunta
The mannheimia hemolytica leukotoxoid vaccine decreases severity and incidence.
Respuesta
- True
- False
Pregunta 11
Pregunta
Which has the most effective bacterial vaccine?
Respuesta
-
Moraxella bovis
-
Salmonella typhimurium
-
Staphylococcus aureus
-
Haemophilus somnus
-
Manheimmia hemolyticum
Pregunta 12
Pregunta
Optional use vaccines depend upon the region and farm specific factors including the expected disease challenge.
Respuesta
- True
- False
Pregunta 13
Pregunta
Which of the following is NOT a critical use vaccine?
Respuesta
-
Infectious Bovine Respiratory Virus/Parainfluenza virus
-
Bovine Viral Diarrhea virus
-
Leptospirosis
-
Manheimmia hemolyticum
-
Clostridial vaccines
Pregunta 14
Pregunta
Which of the following is NOT a choice for the Infectious Bovine Respiratory Virus (IBR)/ Parainfluenza virus (PI3)?
Respuesta
-
MLV paranteral
-
MLV intranasal
-
MLV oral
-
chemically altered
-
killed
Pregunta 15
Pregunta
Modified Live Vaccines are safe for use in pregnant cows.
Respuesta
- True
- False
Pregunta 16
Pregunta
Modified Live Vaccines are more effective and economical because they typically do not require a booster.
Respuesta
- True
- False
Pregunta 17
Pregunta
Bovine Viral Diarrhea Modified Live Virus vaccine has the potential to exacerbate preexisting problems.
Respuesta
- True
- False
Pregunta 18
Pregunta
All leptospirosis vaccines are killed products or bacterins.
Respuesta
- True
- False
Pregunta 19
Pregunta
What is the most common manifestation of Leptospirosis in cows?
Respuesta
-
Abortion
-
Anemia
-
Fever
-
Mastitis
Pregunta 20
Pregunta
Because they are strong initiators of immunity, Leptospirosis vaccines do not require booster doses.
Respuesta
- True
- False
Pregunta 21
Pregunta
Which category is a fresh sale barn calve?
Respuesta
-
Category I
-
Category II
-
Category III
-
Category IV
Pregunta 22
Pregunta
Category I calves require
Respuesta
-
vaccinations
-
Anthelmintics
-
Coccidiacontrol
-
No requirements
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