Muscle Pathology II: Causes and Pathology
25 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is NOT a cause of muscle necrosis?

  • Infection (correct)
  • Toxins
  • Ischemia
  • Trauma

What is a common gross feature of muscle necrosis?

  • Bright yellow coloration
  • Swelling with red streaks
  • Dark red to black coloration (correct)
  • White discoloration

Which disease can lead to muscle necrosis without hemorrhage resulting in dark red to black muscle tissue?

  • Exertional Rhabdomyolysis (correct)
  • Vitamin E/Selenium deficiency
  • Toxicosis due to ionophores
  • Downer Cow Syndrome

What is a common cause of muscle necrosis in animals suffering from external trauma or sports injury?

<p>Oxygen deprivation (D)</p> Signup and view all the answers

Which infectious agent is responsible for Blackleg in young ruminants?

<p>Bacteria (A)</p> Signup and view all the answers

What is the major mechanism of muscle necrosis?

<p>Ischemic (A)</p> Signup and view all the answers

What disease is characterized by antibodies against type 2M myosin in dogs?

<p>Masticatory myositis (C)</p> Signup and view all the answers

Which infectious agent can transmit protozoal myopathy to puppies in utero?

<p>Parasites (B)</p> Signup and view all the answers

What type of muscle neoplasm is most common in the heart of piglets?

<p>Rhabdomyoma (A)</p> Signup and view all the answers

Which immune mediated disease causes exercise intolerance and muscle weakness in adult dogs of various breeds?

<p>Polymyositis (D)</p> Signup and view all the answers

Which nematode encysts in myocytes, causing inflammation and eosinophilia?

<p>Trichinella spiralis (C)</p> Signup and view all the answers

What is the major economic importance of Trichinella spiralis?

<p>Zoonosis (A)</p> Signup and view all the answers

What are the clinical signs of masticatory myositis if left untreated?

<p>Muscle weakness and atrophy (A)</p> Signup and view all the answers

What microscopic feature is common in muscle necrosis?

<p>Loss of cross striations (B)</p> Signup and view all the answers

Which animal is susceptible to extensive ischemic necrosis within a short period of time?

<p>Horses (A)</p> Signup and view all the answers

What is the result of external pressure on muscles for prolonged periods?

<p>Collapse of veins and arteries (A)</p> Signup and view all the answers

What can cause a 'Rabbit leg' condition in animals?

<p>Repeated efforts to rise or single force trauma (C)</p> Signup and view all the answers

Which species is highly sensitive to ionophore toxicity?

<p>Horses (C)</p> Signup and view all the answers

What deficiency can cause 'White Muscle Disease' or 'Nutritional Cardiomyopathy' in young animals?

<p>Vitamin E and selenium (A)</p> Signup and view all the answers

What is a common outcome of stress during capture and translocation in wildlife?

<p>Capture myopathy (B)</p> Signup and view all the answers

What is the cause of sudden onset of stiff gait, swelling of affected muscle groups, and reluctance to move in horses?

<p>Exertional rhabdomyolysis (A)</p> Signup and view all the answers

What is a feature commonly observed in acute rhabdomyolysis in horses?

<p>Coagulative necrosis and regeneration (C)</p> Signup and view all the answers

Which deficiency can lead to 'Nutritional Myopathy' characterized by pale or 'white' muscles in young animals?

<p>Vitamin E and selenium (B)</p> Signup and view all the answers

What condition results in exercise-induced myonecrosis in any species, causing reluctance to move and non-specific signs of pain and discomfort?

<p>Exertional Myopathy (C)</p> Signup and view all the answers

What is a common cause of muscle necrosis in animals suffering from external trauma or sports injury?

<p>Ischemia (C)</p> Signup and view all the answers

More Like This

Pathology: Skeletal Muscle
75 questions
Necrosis Types in Pathology
24 questions
Use Quizgecko on...
Browser
Browser