Saving Lives With Antibody Titer Tests
Dr. Ronald Schultz, Professor and Chair of the Department of Pathobiological Sciences at the School of Veterinary Medicine, University of Wisconsin-Madison, discusses the use of antibody titer tests in animal sheltering as well as in private practice.
- 1.
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- A.
I certify that I have listened to the entire presentation.
Correct Answer
A. I certify that I have listened to the entire presentation. -
- 2.
Antibody plays a critical role in protective immunity for the following canine diseases:
- A.
Canine distemper
- B.
Canine parvovirus
- C.
Canine adenovirus
- D.
Rabies virus
- E.
All of the above
Correct Answer
E. All of the above -
- 3.
The following types of tests are used to measure protective immunity after vaccination with certain of the vaccine viruses:
- A.
Virus neutralization (VN)
- B.
Hemagglutination inhibition (HI)
- C.
Enzyme linked immunosorbent assay (ELISA)
- D.
(a), (b) and (c)
- E.
None of the above
Correct Answer
D. (a), (b) and (c) -
- 4.
You should not use antibody tests to measure protective immunity from vaccination in:
- A.
Puppies less than 16 weeks of age
- B.
Kittens less than 16 weeks of age
- C.
Both (a) and (b)
- D.
Dogs and cats older than 15 years
- E.
Dogs or cats that have never been vaccinated
Correct Answer
C. Both (a) and (b) -
- 5.
An antibody positive test, when used to measure antibody to CDV in a one year old dog that has never been vaccinated, shows that:
- A.
The dog has maternally derived antibody (MDA)
- B.
The dog is immune to CDV
- C.
The dog was apparently naturally infected, with or without disease signs and is immune
- D.
Both (b) and (c)
- E.
None of the above are correct
Correct Answer
D. Both (b) and (c) -
- 6.
You received a titer for CPV and CDV from the Diagnostic Lab from a dog that was vaccinated 8 years ago. The titer for CPV is 1280 and for CDV is 64. These results indicate the following:
- A.
The dog has antibody to the 2 viruses and is immune
- B.
The dog is more susceptible to CDV than CPV
- C.
The dog needs to be revaccinated with a product containing CDV and CPV
- D.
The dog is susceptible to CDV but not CPV
- E.
The dog has 20 times more antibody to CPV than CDV
Correct Answer
A. The dog has antibody to the 2 viruses and is immune -
- 7.
The titers for the above dog indicate that the real titer for CDV and CPV-2 are:
- A.
CDV titer is 32 to 128
- B.
CPV titer is 640 to 2560
- C.
The titers show the dog is immune
- D.
The titers show the dog did not need to be revaccinated with CDV or CPV to maintain titers
- E.
All of the above
Correct Answer
E. All of the above -
- 8.
Why are titers not routinely used for CDV and CPV in lieu of revaccination?
- A.
They are often too expensive
- B.
Titers are poorly understood
- C.
It is easier to revaccinate than have a titer performed
- D.
(a), (b) and (c)
- E.
They do not correlate with immunity
Correct Answer
D. (a), (b) and (c) -
- 9.
When a shelter is having a CDV outbreak, how can titers be used to control the outbreak?
- A.
Only allow dogs over 16 to 20 weeks of age with antibody to enter the shelter or the part of the shelter where the outbreak is present
- B.
Keep puppies less than 16 to 20 weeks out of the shelter when possible, regardless of antibody status
- C.
Dogs already in the shelter over 16 to 20 weeks that have been vaccinated and have antibody can remain
- D.
Do not send dogs for adoption/fostering that have been in the shelter and are antibody neg
- E.
All of the above
Correct Answer
E. All of the above -
- 10.
Why can’t antibody titers be used to control outbreaks of canine and feline infectious respiratory disease complex (aka Kennel Cough, Upper Respiratory Infections)?
- A.
Serum titers to mucosal pathogens don’t correlate with protection
- B.
These diseases are caused by multiple microbial agents and other factors
- C.
These diseases are not vaccine preventable, thus titers are of limited value
- D.
All of the above
- E.
There are no tests available to measure antibody to the pathogens causing these disorders!
Correct Answer
D. All of the above -
- 11.
If you were given the following options, which would you choose for a dog that has received its puppy vaccines and has returned for its one year exam?
- A.
Revaccinate the animal with CDV/CPV/CAV
- B.
Perform an antibody test for CDV/CPV/CAV
- C.
Perform an antibody test, then revaccinate if it shows the animal is not immune
- D.
A and B
- E.
None of the above
Correct Answer
C. Perform an antibody test, then revaccinate if it shows the animal is not immune -
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Mar 18, 2022Quiz Edited by
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