NAVLE 2023 VERSION REAL EXAM QUESTIONS AND ANSWERS

NAVLE 2023 VERSION REAL EXAM QUESTIONS AND ANSWERS Which of the following is the most common cause of maxillary sinusitis in the horse? (A) Bacterial lower respiratory tract disease extending into the sinus (B) Infection and abscessation of a tooth root extending into the sinus (C) Inhaled foreign bodies lodging in the sinus (D) Puncture wounds extending into the maxillary sinus - ANSWER- B An African gray parrot that is presented for necropsy is suspected to have psittacosis. Which of the following findings is most likely to confirm the diagnosis? (A) Hepatomegaly and splenomegaly on gross examination (B) Identification of the causative organism by Gram's stain (C) Isolation and identification of Chlamydia psittaci (D) Presence of acid-fast organisms in the liver - ANSWER- C A 5-year-old Holstein cow is being evaluated because of inappetence. On auscultation, there is pinging over the left ninth and 10th intercostal spaces, on a line between the tuber coxae and the elbow. On paracentesis immediately ventral to the pinging area, there are a few drops of green fluid with a pH of 6.0. Which of the following is the most likely source of the fluid? (A) Abomasum (B) Cecum (C) Omasum (D) Rumen (E) Spiral colon - ANSWER- D A 3-month-old puppy is being evaluated because of weight loss, chronic diarrhea, and steatorrhea. Direct microscopic examination of saline smears of the extremely watery feces shows motile piriform trophozoites. Which of the following is the most appropriate pharmacotherapy? (A) Dichlorvos (B) Ivermectin (C) Metronidazole (D) Praziquantel (E) Trimethoprim-sulfonamide - ANSWER- C Infection of pregnant cows with bovine viral diarrhea virus may cause which of the following neurologic abnormalities in the newborn calf? (A) Anencephaly (B) Cerebellar hypoplasia (C) Hydranencephaly (D) Hydrocephalus (E) Syringomyelia - ANSWER- B A 9-year-old male Boston Terrier dog is found to have a 5-cm mass in the left inguinal area lateral to the prepuce. Cytologic examination of a fine-needle aspirate shows numerous round, discrete cells with reddish purple granules. The left inguinal lymph node is also enlarged. Similar cells are seen in the lymph node and in a blood smear. Which of the following is the most appropriate management? (A) Administration of cisplatin and aluminum hydroxide (B) Administration of levamisole and aspirin (C) Administration of prednisone and cimetidine (D) Conventional surgical removal of the mass (E) Cryosurgical removal of the mass - ANSWER- C An acute outbreak of vomiting and diarrhea in a litter of 1-week-old piglets is characterized by a high morbidity and a high mortality rate. Which of the following is the most likely cause? (A) Clostridium perfringens type C infection (B) Colibacillosis (C) Rotavirus infection (D) Transmissible gastroenteritis (E) Vomiting and wasting disease - ANSWER- D Which of the following abnormal cardiac rhythms is most frequently seen in dogs with gastric dilatation-volvulus? (A) Atrial premature complexes (B) Junctional escape beats (C) Second-degree atrioventricular block (D) Sinus bradycardia (E) Ventricular premature complexes - ANSWER- E A goat has a sudden onset of clinical signs of blindness, depression, head pressing, and anorexia that progress to recumbency with opisthotonos and nystagmus. Which of the following is the most likely diagnosis? (A) Bacterial meningitis (B) Caprine arthritis-encephaliti