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AVVSB VTNE Practice Questions and Answers
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AVVSB VTNE Practice Questions and Answers
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AVVSB VTNE Practice Questions andAnswers.
What is a sarcolemma?
A calcium storage unit in the muscle
A contractile cell in the muscle
Connective tissue putting muscle fibers into groups
The cell membrane which encloses a muscle fiber -
\The cell membrane which encloses a muscle fiber
`
You make a 1:5 dilution of a serum sample and measure the urea nitrogen. The
analyzer reads that the concentration of urea nitrogen is 30 mg/dl. What is the urea
nitrogen level of the patient's serum?
35 mg/dl
120 mg/dl
6 mg/dl
180 mg/dl
150 mg/dl -
\150 mg/dl
When a dilution is made prior to analyzing a sample, you must multiply that dilution
factor with the reported value to obtain the true level in the sample. In this case, the
sample was diluted by a factor of 5. Therefore, 30 x 5 = 150
The National Association of Veterinary Technicians in America adopting a code of
ethics is an example of which branch of ethics?
Descriptive ethics
Normal ethics
Administrative ethics
Official ethics -
\Official ethics
Which of the following drugs is NOT useful in the treatment of seizures?
Potassium bromide
Butorphanol
Phenobarbital
, Propofol
Diazepam -
\Butorphanol
Butorphanol is an opiate partial agonist and is mostly used as an antitussive, analgesic,
or sedative.
You are reading a cardiologist report discussing tricuspid valve insufficiency and grade
3 murmur. The mitral valve is said to be normal. If you listened to this patient, where
would you expect to hear the murmur the loudest?
Sternal
Left side cranial portion of the chest
Left side caudal portion of the chest
Right side -
\Right side
The tricuspid valve is located between the right atrium and right ventricle.
Which of these forms of chocolate contains the highest concentration of theobromine?
Unsweetened baking chocolate
White chocolate
Semi-sweet chocolate
Milk chocolate -
\Unsweetened baking chocolate
The correct answer is unsweetened baking chocolate. This contains about 7 times more
theobromine than milk chocolate. White chocolate has very little methylxanthines. Semi-
sweet chocolate rates in between.
Theobromine per oz. of milk chocolate= 44-60 mg/oz
Baker's chocolate has 390-450 mg/oz, Semi-sweet chocolate has about half as much as
Baker's or dark chocolate.
How are bladder stone types identified?
Submit to lab for analysis
Gross examination
Check the urine pH
Look for crystals on the urinalysis -
\Submit to lab for analysis
Most distemper-parvo vaccinations are of which type?
Killed virus
, Cellular antigen extract
Modified live virus
Canarypox -
\Modified live virus
Most distemper and parvo vaccinations are modified live virus vaccinations.
Rabies is a killed virus vaccination in general. There is a feline-only rabies vaccination
that is a canarypox vaccine.
The injectable form of Bordetella vaccine is a cellular antigen extract vaccine.
A method of castration in cattle that is performed without incising the skin is known as:
Occult castration
Cryptic castration
Inguinal castration
Closed castration -
\Closed castration
Closed castration is a method sometimes used in cattle or small ruminants which
involves use of an emasculatome, which crushes the cord within the scrotum without
cutting the scrotal skin. It is also referred to as a "bloodless" castration. Incisions are
more likely to attract insects and cause disease susceptibility in a field situation.
A "closed" castration may also refer to castrations when an incision is made in the skin,
but the vaginal tunic is not entered.
Which of the following medications should be used with caution in cats, as it could
cause blindness in some cats?
Amoxicillin
Enrofloxacin
Metacam
Clindamycin -
\Enrofloxacin
Enrofloxacin (Baytril) is used in cats at no higher than a 5mg/kg per dose. Higher doses
increase the risk for blindness in cats, and in general this drug should be used with
caution because of this potential side effect.
How long does estrus in the dog typically last?
1-3 days
4-13 days
6 months
, 14-28 days -
\4-13 days
Estrus typically lasts 4 to 13 days, with an average of 9 days. The entire estrous cycle in
the dog is approximately 6 months.
You are helping the neurologist with a Tensilon test in a dog. Tensilon is the trade name
for edrophonium chloride. By administering this drug, you are testing for which disease?
Diskospondylitis
Old dog vestibular disease
Myasthenia gravis
Meningitis
Hydrocephalus -
\Myasthenia gravis
Which type of cell is rich in histamine and heparin?
Mast cell
Neutrophil
Platelet
Erythrocyte -
\Mast cell
Mast cells contain histamine and heparin. They play a role in inflammation and are thus
involved in wound healing. They are mostly known for their involvement in allergies and
anaphylaxis.
Which of the following is a diagnostic stage of Dirofilaria immitis, the parasite that
causes heartworm, in dogs?
Microfilarial stage
Larval stage 3 (L3)
Larval stage 1 (L1)
Nymphal stage -
\Microfilarial stage
These parasites are potential zoonotic pathogens EXCEPT for which of the following?
Cryptosporidium parvum
Giardia spp.
Toxoplasma gondii
Toxacara canis
Demodex canis -
\Demodex canis
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