NAVLE Practice Questions with 100% Correct Answers

NAVLE Practice Questions with 100% Correct Answers A litter of 6 week old kittens is being evaluated because of intermittent soft stools with flecks of blood. The kittens are confined in an unsanitary cage. Two direct fecal examinations show oocysts. Which of the following is the most appropriate therapy? dichlorvos fenbendazol ivermectin piperazine sulfadimethoxine -answersulfadiemthoxine (Albon, for coccidiosis) On examination of the cranial nerves in a 3-year old female cat, the right pupil appears to be larger than the left pupil. The right pupil shows no response when light is shone into either eye. The left pupil constricts when light is shone into either eye. Mild ventrolateral strabismus is noted in the right eye only. These findings are most consistent with a lesion at which of the following locations? left occipital cortex right occipita cortex right optic (II) nerve right oculomotor (III) nerve right abducens (VI) nerve -answerright oculomotor (III) nerve A 4-year old second-lactation Holstein cow that is 150 days in milk has been in anestrus since calving. On palpation of the rectum, a cystic structure that is 3cm in diameter is identified on the left ovary. Administration of which of the following is the most appropriate initial treatment? Follicle-stimulating hormone followed by gonadotropin-releasing hormone in 15 days Gonadotropin-releasing hormone followed by prostaglandin in 15 days Melengesterol acetate followed by prostaglandin in 19 days Prostaglandin followed by melengestrol acetate in 19 days -answerGonadotropin-releasing hormone followed by prostaglandin in 15 days A 10-year-old commercial beef cow has had a gradually diminished appetite and progressive weight loss over the past two months. Feces are dry and scanty. She continues to drink water. Physical examination shows distention of the left paralumbar fossa and ventral right abdominal wall. On rectal palpation, the rumen is full of firm ingesta and the ventral sac extends to the right of midline (L-shaped). Which of the following is the most appropriate next step? Administration of bisthmuth subsalicylate with sucrose Administraiton of magnesium hydroxide Exploratory laparotomy Salvage to slaughter Surgical creation of a rumen fistual -answerSalvage to slaughter Fifteen percent to 20% of feedlot heifers that recently arrived from several auction markets are anorectic. Physical examination of the heifers shows serous nasal and ocular discharge, short explosive cough, and hyperemia of nasal mucosa. Which of the following is the most likely diagnosis? Atypical interstitial pneumonia Infectious bovine rhinotracheitis Mucosal disease Pasturellosis Mycoplasmosis -answerInfectious bovine rhinotracheitis A group of 1000 5-week-old pigs has experienced a 2% death loss since weaning two weeks ago. most of the deaths were sudden; however, approximately 3% of the pigs showed clinical signs of lethargy, lameness, and labored breathing before dying. Postmortem examination of an affected pig shows severe fibrinous pleuritis, pericarditis, and peritonitis. Which of the following is the most likely causal organism? Arcanobacterium suis Escheria coli Haemophilus parasuis Salmonella cholerasuis Streptococcus suis -answerHaemophilus parasuis A 9-week-old Rottweiler-mix puppy is beign evaluated because of an itchy rash around the lips and eyelids. Temperature is 103.3*F. Physical examination shows swellign of the muzzle, pruritic, exudative pustiles around the lips and eyelids, and swelling of the submandibular lymph nodes bilaterally. Which of the following is the most appropriate treatment? Cephalexin and prednisone Clindamycin and carprofen Enrofloxcin and etodolac Topical amitraz Topical betamethasone -answerCephalexin and prednisone A 5-year old Simmental cow who is used as a donor for embryo transfer is evaluated because of the acute onset of anorexia and lethargy. She has been flushed six times; the most recent flushing occured 10 days ago. Rectal temperature is 104*F . During PE, the cow is reluctant to move and periodically kicks at her abdomen. On rectal palpation, the left kidney is grossly enlarged and has a smooth texture. When stimulated to urinate, the urine is grossly hematuric; numerous blood clots and fibrin are present. Which of the following is the most appropriate treatment? Administration of gentamicin intravenously Administration of procaine penicillin G intramuscularly Long-term catheterization of the bladder Surgical removal of the enlarged kidney No treatment is indicated -answerAdministration of procaine penicillin G intramuscularly In a mare, a 30-day pregnancy is most likely to be detected on rectal examination by which of the following?