Feline

Question 1

What drug causes acute fulminant hepatic necrosis in cats?

Answer 1

Diazepam - greater risk if given repeatedly or orally

Question 2

Side effects of methimzaole (used for hyperthyroidism in cats)

Answer 2

Facial pruritus - usually seen during the first 3 months of therapy, leads to self-induced excoriations
May also see crusting of the ears
If this occurs discontinue methimazole and switch to Hill’s y/d diet or consider surgery or I-131 therapy

Question 3

What side effects does doxorubicin cause in cats?

Answer 3

Renal toxicity

Question 4

Hyperthyroidism in cats

Answer 4

Most supportive of this disease is a palpable nodule in the area of the thyroid gland

Question 5

Mycoplasma in cats is best treated with which drugs?

Answer 5

Doxycycline and enrofloxacin, for 3 weeks
Doxycycline can cause esophageal stricture in cats and administration should be followed by water

Question 6

Prolapsed gland of the third eyelid (nictitans)

Answer 6

Also called cherry eye. A congenital defect that will likely pass onto other generations. Repair by prolapsed gland replacement and tacking to the periorobital rim (Kaswan anchoring technique) or using the Morgan pocket technique. DO NOT SURGICALLY REMOVE - will predispose to iatrogenic KCS.

Question 7

Acetaminophen toxicity causes what in cats?

Answer 7

Cat will have signs of methemoglobinemia which is caused by oxidative damage to hemoglobin. Heinz bodies are usually present in animals with methemoglobinemia. Acetaminophen causes oxidative damage to cat blood due to cat’s inability to metabolize drug efficiently.

Question 8

What organism causes Cat Scratch Disease in humans?

Answer 8

Bartonella henselae. You will usually see a papule at the site of inoculation followed by fever and local lymphadenopathy one week later. CS - malaise, weight loss. Cats will show no CS but dogs and humans may show signs.

Question 9

What is acromegaly and what are signs of it?

Answer 9

Caused by excessive growth hormone release from the pars distalis from a tumor in the pituitary gland. Excessive growth hormone causes a defect in the insulin receptors on target cells causing insulin resistant diabetes Mellitus. CS - enlarged head, paws, abdomen and weight gain despite uncontrolled diabetes is due to the anabolic effects of the growth hormone. TX - radiation therapy to the pituitary tumor, high doses of insulin to try and control the diabetes and Somatostain analogs (octreotide) to try to inhibit the release of growth hormone from the tumor.

Question 10

What is the breathing patten that is a hallmark for feline asthma?

Answer 10

Expiratory push or abdominal push on expiration due to collapse of the lower airways during expiration

Question 11

What is the screening test of choice for hyperthyroidism for cats?

Answer 11

Total T4 level, it should be increased or high end of normal along with a free T4 that is high to make diagnosis of hyperthyroidism

Question 12

What are TSH levels used to diagnose?

Answer 12

TSH (thyroid stimulating hormone) levels are used to aid in the diagnosis of canine hypothyroidism (will see increase). Not used in cats to diagnose hyperthyroidism.

Question 13

What kind of drug is Diazepam and what is it used for in cats?

Answer 13

It is a benzodiazepine sedative used for appetite stimulation in cats

Question 14

Most common lungworm in cat?

Answer 14

Aelurostrongylus abstrusus

Question 15

What drug is used to induce emesis in cats?

Answer 15

Xylazine
Reversals: Yohimbine, tolazoline, or atipamezole

Question 16

Breeding two white cats with blue eye will most likely lead to what?

Answer 16

Deafness in offspring

Question 17

Breeding two white cats with blue eye will most likely lead to what?

Answer 17

Deafness in offspring

Question 18

Lily toxicity results in what in cats?

Answer 18

Renal failure

Question 19

What do string foreign bodies look like in a cat?

Answer 19

Acute onset of vomiting and anorexia, depressed and may be dehydrated. Rads will show abnormal increase in amount of plication of the small intestines.

Question 20

What is the most common primary intraocular tumor in cats? 2nd most common?

Answer 20

Melanoma is the most common primary intraocular tumor, Lymphoma is the second

Question 21

What is the treatment of choice for toxoplasmosis in cats?

Answer 21

Clindamycin

Question 22

Squamous cell carcinoma caused by UV exposure is mostly commonly found where?

Answer 22

In white cats, most commonly found on ear pinnae, lips, eyelids
CS - red thickened areas and now progressed to raised bumps, crust lesions on the pinnae (single, small, poorly outlines, with irregular hardened borders. Nasal planum may have mildly ulcerated with scant serohemorrhagic discharge.