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Flashcards in Large Animal 2 Deck (51)
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1

Which species is the leading cause of streptococcal mastitis in dairy cattle in North America?

Streptococcus uberis

2

Recurrent exertional rhabdomyolysis(RER) is thought to be inherited as an autosomal dominant trait in which horse breed?

Thoroughbreds

3

Which equine disorder is also known as "shaker foal syndrome"?

Botulism

4

Viborg's triangle is an important anatomical landmark in horses as it outlines a surgical approach to guttural pouch. It boundaries are:

Ramus of the mandible
Tendon of sternocephalicus
Linguofacial vein

5

What is Galvayne's groove?

A longitudinal groove in the upper third incisor of older horses, visible between ages 10-30 years

6

If it were necessary to amputate one of the digits on a cow's foot, what would the preferred method of desensitizing that region?

Intravenous local analgesia

7

Which essential ingredient should be added to a dry cow diet to prevent milk fever?

Anionic salts

8

If a C section is required in a cow where the fetus is dead and emphysematous, which surgical approach is preferred?

Ventral

9

Which neurological disease of cattle is characterized by multifocal microabscesses in the brain stem?

Listeriosis
Listeria monocytogenes infection

10

A pacer mare finishes far behind the field and on PE has an irregularly irregular heart rhythm. What is the most likely dx?

Atrial fibrillation

11

What is the causative agent of contagious bovine pyelonephritis?

Corynebacterium renale

12

Several lambs in a flock have papules, crusted ulcerations and inflammation of the lips and mouth. The shepherd has a papule on his finger that is new and similar in appearance. What is the most likely dx?

orf
Contagious ecthyma

13

What is the tx of choice for a urinary tract infection caused by Corynebacterium renale in an adult cow?

Penicillin

14

Dorsally directed manual pressure exerted on the abdominal midline just caudal to the xiphoid elicits signs of pain in a cow. Which disorder is likely present?

traumatic reticuloperitonitis
hardware disease

15

Which virus is the most common cause of neonatal diarrhea in calves?

Rotavirus

16

Donkeys are carriers of which lungworm?

Dictyocaulus arnfieldi

17

In foals, is a patent urachus more commonly congenital or acquired, and by which age should it normally close?

acquired
closes naturally and reopened by trauma, handling or infection
normally should close by 2 weeks of age

18

A weanling horse presents with diarrhea, ventral edema and severe hypoproteinemia with hypoalbuminemia. What is the likely causative agent?

Lawsonia intracellularis

19

Which spp of Cryptosporidium found commonly in cattle is considered zoonotic?

Cryptosporidium parvum

20

Most outbreaks of salmonellosis in swine are caused by which two spp of Salmonella?

S. typhimurium and S. cholerasuis

21

Which picornavirus classically causes cardiomyopathy in calves?

Foot and mouth disease virus

22

What are the common sites of predilection for lesions of bovine leukosis/lymphoma in the cow?

abomasum
right atrium of heart
+/- uterus
+/- kidneys/ureters
+/- lymph nodes
+/- mandible
+/- meninges

23

Which statement about equine laminitis is true?
a) the digital pulse of the affected foot is often reduced and the extremity is cool to the touch
b) hoof care includes application of pads that place pressure on the sole
c) histologic grade 1 corresponds to complete separation of basement membrane and epidermal lamellae

b) hoof care includes application of pads that place pressure on the sole

24

In cattle, which branch of which nerve is responsible for pain caused by dehorning?

Cornual nerve, a branch of the zygomaticotemporal division of the maxillary nerve of the trigeminal nerve

25

A cow in Nevada aborts in the last trimester, and the dead fetus shows lymphadenopathy, mucosal petechiae on the underside of the tongue, the hepatosplenomegaly. What is the most likely dx?

Epizootic bovine abortion
Foothill abortion

26

Describe the classic serum biochemical abnormalities in an untreated foal with uroperitoneum

hyponatremia
hypochloremia
hyperkalemia
azotemia

27

A 6-month old filly presents with a large, tense, gas-filled swelling in the Viborg's triangle. What is the most likely dx?

Guttural pouch tympany

28

In which two locations are male small ruminants predisposed to urethral obstruction?

Sigmoid flexure
urethral process

29

Gastric ulcers occur most commonly in which compartment of the camelid stomach?

C-3

30

Purpura hemorrhagiica can be a sequela of which equine bacterial infection?

Strangles
Streptococcus equi sp equi infection