NAVLE EXAM 2025 QUESTIONS AND CORRECT ANSWERS WITH RATIONALES Just Released
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NAVLE EXAM 2025 QUESTIONS AND CORRECT ANSWERS WITH RATIONALES A group of chickens presents with scabby, proliferative, and ulcerative lesions on the comb, wattles, eyelids, feet, and legs. Mortalit... y is low. Which one of the following choices is the most likely diagnosis? A - Fowl cholera B - Marek's disease C - Infectious coryza D - Avian pox E - Fowl plague -Answer-D Avian pox, also known as Fowlpox. This disease is not contagious to humans. There are two forms of the disease - 1) cutaneous or dry pox has low mortality, with proliferative lesions on comb, wattles, etc, and 2) diphtheritic or wet pox that causes yellow canker lesions on mucous membranes, tongue, esophagus, or trachea. Fowl cholera causes swellings and abscesses in the comb and wattles, but also affects the respiratory tract. The mortality can be high. A foal born 12 hours ago is observed swishing its tail from side to side, straining with an arched back and rolling on the stall floor. What test is indicated to rule in the presumptive diagnosis? A - Succussion of right caudal abdomen B - Ultrasound of umbilicus/urachus C - Digital exam of rectumD - Cystocentesis E - Endoscopy of gastric mucosa -Answer-C Digital exam of rectum. Foals with meconium impaction will swish their tail from side to side, roll, and strain to defecate. A digital exam of the rectum will aid in rapid diagnosis. Meconium impaction is the most common cause of colic in the newborn foal, typically seen within 24 hours of birth. More common in colts (males) than fillies because colts have a smaller pelvis. Which one of the following choices is the most common etiology of canine cholangiohepatitis? A - Neoplastic biliary obstruction B - Idiopathic C - Ascending infection D - Liver fluke migration E - Toxicity -Answer-C Enteric bacteria migrate up the bile duct from the intestines and create an infection in the liver and biliary tract in most cases of canine cholangiohepatitis. Feline cholangiohepatitis is more common than the canine form and has three main etiologies. [Show More]
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