NAVLE Practice Questions with 100% Correct Answers

NAVLE Practice Questions with 100% Correct Answers Cystic structure felt on ovary: what to adminster to a cow--> - answerGnrh followed by prostaglandin in 15 days 5 week old pigs with sudden death: lethargy, lameness, labored breathing. Pleuritis, pericarditis, peritonitis: causative agent--> - answerhaemophilus parasuis (glassers disease) -clinical signs: CNS signs, polyserositis, polyarthritis, fever, labored breathing. - observed in 3 week to 16 week old pigs - sudden onset, can die quick diagnosis: PCR, culture Tx: antibiotic tx. enrofloxacin and ceftiofur Most effective management for eradications of brucellosis in cattle? - answerserologic identification of infected animals followed by isolation and slaughter Sheep; Abortions or delivered lambs with marked weakness. aborted fetuses: marked thickening of the placenta. - answerCoxiella burnetti(Q fever) -results in abortions spread via: environmental contamination of aborted tissues, urine, feces, respiratory secretions. diagnosis: PCR, immunohistochemistry, tx: doxycycline, oxytetracycline -zoonotic (bioterrorism agent) Calves with fibrinous pleuritis and papillary muscle (in the heart) necrosis? - answerhistophilus somni (gram negative coccobacillus) clinical signs: - sudden death -depression -pleuritis -myocarditis -encephalitis Diagnosis: PCR, histopath, bacterial isolation. tx: antibiotic therapy- florfenicol. vaccines used for prevention. When passing a nasogastric tube in horses, which meatuses allows access to the laryngopharynx? - answerventral pass nasogastric tube into the ventral meatus result of ingestion of rodenticide cholecalciferol? - answerhypercalcemia nephropathy Vitamin D3 toxicosis: leads to severe levels of hypercalcemia and hyperphosphatemia, with secondary acute kidney injury. - supplements/vitamines -psoriosis creams -rodenticides On antemortem inspection of a cow at a slaughter facility, the left eye is enucleated (but animal seems overall in good physical condition) what is the most appropriate next step? - answeridentify the cow as suspect, perform postmortem examination at slaughter Cause of sterility in the male mule? - answerchromosome incompatibility Presence of large numbers of tapeworm (anoplocephala perfoliata) in horses associated with: - answerileocecal intussusception A ranula in a dog consists of: - answerAKA SALIVARY MUCOCELE presence of sublingual tissue of extravasated saliva from the sublingual gland PPID in horses blood work: - answerhyperglycemia lymphopenia suture most appropriate for closing urinary bladder: - answerpolydioxanone polygactin: closes intestines Horse with asymmetric ataxia, mild atrophy of gluteal muscles. What to confirm diagnosis? - answerwestern blot analysis of CSF for equine protozoal encephalomyelitis bird with: anorexia, nasal discharge, green droppings. Hepatomegaly, splenomegaly. - answerchlamdophilosis Organism most commonly associated with visceral migrans in humans? - answertoxocara canis Progressive retinal atrophy in dog: - answernight blindness, retinal vascular attenuation, tapetal hyperreflectivity, optic disk palor Organophosphate toxicity treatment in cattle: (pesticides) - answerAdminister atropine cow to cow- contagious mastitis agents: - answerstrep agalactaie, staph aureus, mycoplasma. Staph uberis behaves like an environmental and contagious mastitis. bovine that test positive for bovine leukemia virus- how many develop clinical signs of lymphoma? - answer0-5% slaughterhouses evaluate cardiac and masseter muscles in slaughterhouse to ID: - answertaenia spp (beef tapeworm. aka cystocercosis) most common caustive agent of pyoderma in a dog? - answerstaphylococcus intermedius Cushings: most appropriate first step in diagnosis: - answerLDDST