Pathology Case Studies
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Questions and Answers

What is the primary focus of the case studies in the initial stages of the semester?

  • Description of gross lesions and histology correlates
  • Interpretation of lesions based on systemic pathology
  • Identification of neoplasms and their locations
  • Differentiation between normal and abnormal tissues (correct)

    • What does an etiologic diagnosis typically consist of?

  • Disease name and organ location
  • Causative agent and site of the lesion (correct)
  • Organ, interpretation, and distribution
  • Causative agent, organ, and distribution

    • What is the purpose of a morphologic diagnosis?

  • To identify the causative agent of a lesion
  • To describe the lesion in terms of the affected organ and distribution (correct)
  • To provide a disease name in common usage
  • To determine the etiology of a disease

    • What type of diagnosis asks for a disease name in common usage?

    <p>Disease diagnosis</p> Signup and view all the answers

    What is included in a neoplasm diagnosis?

    <p>Name of the neoplasm and the organ it is located in</p> Signup and view all the answers

    What is the term for the causative agent of a disease?

    <p>Etiologic agent</p> Signup and view all the answers

    What is the traditional association of PEM?

    <p>Low thiamine</p> Signup and view all the answers

    Which of the following is a characteristic of PEM?

    <p>Dorsomedial strabismus</p> Signup and view all the answers

    What is the underlying cause of polioencephalomalacia and laminar cortical necrosis in cattle, aside from thiamine deficiency?

    <p>All of the above</p> Signup and view all the answers

    What is a characteristic of lead poisoning?

    <p>All of the above</p> Signup and view all the answers

    Which of the following is NOT a cause of polioencephalomalacia and laminar cortical necrosis in cattle?

    <p>High calcium intake</p> Signup and view all the answers

    What is the age threshold for virus infection to cause enamel hypoplasia in dogs?

    <p>6 months</p> Signup and view all the answers

    What is a consequence of Bordetella bronchiseptica infection in pigs?

    <p>Nasal cavity atrophic rhinitis</p> Signup and view all the answers

    What is the result of hyperplasia of the gastric glands in dogs?

    <p>Hypertrophic gastritis</p> Signup and view all the answers

    What is the consequence of virus infection during enamel formation in dogs?

    <p>Segmental enamel hypoplasia</p> Signup and view all the answers

    What is the toxin responsible for disrupting the mucus layer and mucosal barrier in pigs?

    <p>Dermonecrotic toxin (DNT)</p> Signup and view all the answers

    What is the condition characterized by abnormal root development and tartar accumulation in dogs?

    <p>Sensitivity and gum disease</p> Signup and view all the answers

    What is the likely cause of ischemic necrosis in somni disease?

    <p>Toxin-mediated vasculitis</p> Signup and view all the answers

    What is the characteristic gross lesion of somni disease in the brain?

    <p>Soft red to brown hemorrhagic foci</p> Signup and view all the answers

    What is the likely mechanism of bacterial pathogenesis in somni disease?

    <p>Bacterial adhesion to vascular endothelial cells</p> Signup and view all the answers

    What is the significance of fibrin thrombi in somni disease?

    <p>Indicates disseminated intravascular coagulation</p> Signup and view all the answers

    What is the likely cause of nasal froth in horses with somni disease?

    <p>Post-mortem artifact</p> Signup and view all the answers

    What is the significance of kidney lesions in pigs with somni disease?

    <p>Indicates post-mortem artifact</p> Signup and view all the answers

    What is the cause of the darkened meninges in the dog MDx?

    <p>Hypostatic congestion</p> Signup and view all the answers

    What is the appearance of the mucosa of the surrounding bowel in the horse MDx?

    <p>Grey and autolytic</p> Signup and view all the answers

    What is the reason for the unequal expulsion of blood in the dog MDx spleen?

    <p>Scattered areas of smooth muscle contraction</p> Signup and view all the answers

    What is the cause of the pale white soft tissue in the hepatic vein in the cow MDx?

    <p>Increased air pressure during slaughter</p> Signup and view all the answers

    What is the reason for the corneal opacity/clouding in the calf MDx?

    <p>Post-mortem artifact</p> Signup and view all the answers

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