NAVLE feline questions 2024
Which of the following is not a common reason for a hyperthyroid cat to have a T4 value in the normal range?
-Fluctuation of T4 early on in the disease
-Mild disease in which there are subtle clinical signs and a T4 in the high normal range
-Concurrent disease caus...
NAVLE feline questions 2024
Which of the following is not a common reason for a hyperthyroid cat to have a T4 value in the normal range?
-Fluctuation of T4 early on in the disease
-Mild disease in which there are subtle clinical signs and a T4 in the high normal range
-Concurrent disease causing euthyroid sick syndrome
-Immune destruction of the thyroid gland causing a decrease of T4 into the normal range - ANSWER The correct answer is immune destruction of the thyroid gland causing a decrease of T4 into the normal range. Immune destruction of the thyroid gland occurs in hypothyroid dogs but does not typically occur in cats. Euthyroid sick syndrome occurs when concurrent illness causes T4 to decrease from being high down into the normal range, or from the normal range to below normal. Fluctuations of T4 down into the normal range can occur early on in the disease.
Occult hyperthyroidism occurs when the T4 is in the high normal range and the clinical signs are mild. In these pets, a free T4 by equilibrium dialysis can make the diagnosis of hyperthyroidism.
Your client raises show rabbits and her cat named Neffer has been eating the rabbit feces. She brings Neffer's fecal matter in for examination and the fecal float reveals Eimeria Which of the following treatments are indicated for this cat?
Sulfasalazine
Fenbendazole
Sulfadimethoxine
No treatment is necessary
Doxycycline - ANSWER This coccidian is not parasitic in dogs and cats and no treatment is necessary for the cat. The parasite has shown up on fecal exam because it is merely passing through the digestive tract secondary to coprophagy. Eimeria is identified as having 4 sporocysts or a distinct micropyle cap. Eimeria are parasitic in birds, reptiles, and herbivores. The owner should be informed of the parasite, and her rabbits should be treated.
Isospora is the infectious coccidian in dogs and cats and is treated with Sulfadimethoxine (Albon).
A 10-year old male castrated cat that you have previously diagnosed with hyperthyroidism presents to you for acute onset of blindness. You perform an ophthalmic exam and note retinal hemorrhage. What diagnostic test should you perform first?
Serum BUN and creatinine
Free T4 levels by equilibrium dialysis
Coagulation times
Blood pressure
Total T4 levels - ANSWER The correct answer is blood pressure. Cats with hyperthyroidism are likely to develop hypertension. If this is severe enough (>180-200 mmHg systolic), they can be at risk for acute retinal detachment or hemorrhage resulting in blindness. Prompt resolution of the hypertension is critical to prevent further damage to the eye and other organs.
Mousie, a 3-year old FS DLH, has been vomiting once daily for the past week. Clinically, she otherwise acts normally. Bloodwork and radiographs are within normal limits. The owners have seen chunks of hair
in her vomit. She is currently on no medications and is eating Fancy Feast. Which of the following would you recommend?
Lactulose
Metoclopramide
Prednisolone
Laxatone Maropitant - ANSWER This young long-haired cat is apparently having a hairball problem. Frequent brushing, a higher quality diet, and a hairball treatment such as Laxatone (petroleum/mineral oil gel) should be recommended for this cat.
Lactulose is a stool softener often used to help with constipation.
Metoclopramide is an anti-emetic and promotility agent and may be beneficial for hairballs if a high quality diet and laxatone fail to correct the problem.
Maropitant (Cerenia) is a central and peripheral acting anti-emetic approved for the use in dogs.
Prednisolone is a corticosteroid which could be used for treatment of underlying inflammatory conditions
A woman presents a middle-aged male intact domestic short hair to your clinic. She found him as a stray
where she lives out in the country. She noticed he was lethargic and hanging around her yard, so she was feeding him in order to capture him and bring him to the vet. She states there are many stray cats and prairie dogs around her property. On physical exam, the cat is lethargic, has a temperature of 104.9F, severe mandibular lymphadenopathy with a draining tract under the chin, and is covered in fleas. His breathing is tachypneic. What do you do first?
A. Euthanize the cat immediately
B. Run a CBC/Chemistry/Urinalysis, flush the abscess with dilute chlorhexidine solution, and start broad spectrum antibiotics
C. Clean the abscess and send the cat home on a 3-week course of Doxycycline tablets followed with 6 cc of water
D. Wear protection and quarantine the animal, then call the state veterinarian E. Gram sta - ANSWER D
This animal is exhibiting signs of plague caused by the bacteria Yersinia pestis. Plague is usually transmitted by the bites of infected fleas. Carnivores can also contract plague when they eat an infected rodent. Clinical symptoms can occur in 1-2 days in cats, but in humans, the incubation period can be up to 8 days.
A tentative diagnosis can be made with a Gram's stain cytology of infected material, such as the draining
lesion of this cat. Yersinia pestis is a gram negative bacterium and has a bipolar safety-pin appearance. Definitive diagnosis is based on culture. However, before collecting any samples, the state vet or CDC should be contacted. The samples have to be collected and submitted under strict guidelines to prevent the spread of disease.
Plague is highly zoonotic and bubonic, septicemic, pneumonic, and meningeal forms can occur. Early treatment is critical for survival. Antibiotic treatment early in the course of disease can greatly improve prognosis. Any persons exposed at all to this cat should seek treatment, including hospital staff, the owner, her family, etc.
Because of the cat's clinical status, the most likely thing that will occur is euthanasia, but the state veterinarian will give instructions on how best to handle this animal.
A 21-year old cat with a history of hyperthyroidism, renal insufficiency, a heart murmur, recurrent urinary tract infections, and inflammatory bowel disease presents to you for a second opinion about the cat's facial excoriations and severe pruritus. You ask the owner about the cat's medications and she is unsure exactly what the cat has been receiving for those ailments. Which of the following medications is
most likely responsible for the cat's signs?
A-Metronidazole
B-Methimazole C-Enrofloxacin
D-Metoclopramide - ANSWER B
Methimazole (Tapazole), which is a medication for treating hyperthyroidism in cats, can cause intense facial pruritus as a side effect. This occurs in less than 4% of cats. Should this side effect occur, the
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