NAVLE EXAM 430 QUESTIONS WITH
CORRECT ANSWERS 2024
1. *Which of these statements about pasteurellosis in rabbits is most
accurate?*
A - 2-week course of antimicrobials is effective in eliminating disease
B - It is a gram-positive, nonmotile coccobacillus
C - Every positive test result indicates a pathologic condition
D - Most common presentation is chronic, insidious arthritis
E - 30-90% of adults in colonies are asymptomatic carriers: E - 30-90% of
adults in colonies are asymptomatic carriers
2. *In January you examine a group of dairy calves which range in age
from 2 to 7 months, with a complaint of hair loss and pruritus. The
calves are thin and mucous membranes are pale. One has developed
bronchopneumonia, and is also febrile and depressed. You do a skin
scraping and find the parasite shown in the image, which your
technician identifies as Hematopinus sp. The CBC shows the calves to
be severely anemic. What treatment recommendation should you now
make to the dairy owner?*
,A - Treat all calves for lice
B - Treat all calves with long acting tetracycline
C - Treat all calves with hematinics
D - Vaccinate all calves against Mannheimia hemolytica
E - Treat all calves for mange: A - Treat all calves for lice
3. *A seven-week-old pot-bellied pig is presented with a posterior
swelling that looks like this:*
*Which one of the following is the most likely clinical
diagnosis?*
A - Perineal hernia
B - Testicular torsion
C - Inguinal hernia
D - Cryptorchidism
E - Intersex syndrome: C - Inguinal hernia
4. *An 8-week old Abyssinian cat recently obtained from a cattery
presents to you for an examination and the owner reports that the cat
has had diarrhea.
On fecal float, you find multiple structures like the one shown in the
photo
(see image). What should you treat the cat with?*
,A - Praziquantel (Droncit)
B - Metronidazole (Flagyl)
C - Pyrantel (Strongid)
D - Selamectin (Revolution)
E - Sulfadimethoxine (Albon)
F - Amoxicillin and clavulanate (Clavamox): E - Sulfadimethoxine
(Albon)
5. *A 10-year old female spayed Siamese cat presents for a new lump
the owner found a month ago. She was spayed last year before she was
adopted from the shelter. The owner states that the lump has grown
over the last month, and it doesn't seem to bother the cat. On exam, the
2 cm lump is located on the left 2nd mammary gland, and no other
lumps are noted. The lump is freely moveable, and chest radiographs
are clear. What is the chance that this tumor is malignant?*
A - 20%
B - 85%
C - 50%
D - 5%: B - 85%
, 6. *An obese 7-year-old Labrador Retriever is presented for annual
vaccinations. The owners claim that they have restricted his
diet and try to exercise him but he still keeps the weight on.
There is alopecia on the dorsum of his tail and he has an
unusual worried facial expression.*
*Which one of the following choices is the most likely diagnosis?*
A - Hyperadrenocorticism
B - Male pattern alopecia
C - Sarcoptic mange
D - Hypothyroidism
E - Hypoadrenocorticism: D - Hypothyroidism
7. *A 6-year old intact male domestic short haired cat presents with
acute onset exophthalmos of the right eye in the past 2 days. He is
painful on palpation around his eye and head. The eye can be
retropulsed some, but there is resistance present. He has not been
eating in the past day and has a rectal temperature of 103.4F (39.7 C).
What is the most likely diagnosis?*
A - Anterior uveitis
B - Retrobulbar abscess
C - Glaucoma
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