25 Questions
Which of the following is NOT a cause of muscle necrosis?
Infection
What is a common gross feature of muscle necrosis?
Dark red to black coloration
Which disease can lead to muscle necrosis without hemorrhage resulting in dark red to black muscle tissue?
Exertional Rhabdomyolysis
What is a common cause of muscle necrosis in animals suffering from external trauma or sports injury?
Oxygen deprivation
Which infectious agent is responsible for Blackleg in young ruminants?
Bacteria
What is the major mechanism of muscle necrosis?
Ischemic
What disease is characterized by antibodies against type 2M myosin in dogs?
Masticatory myositis
Which infectious agent can transmit protozoal myopathy to puppies in utero?
Parasites
What type of muscle neoplasm is most common in the heart of piglets?
Rhabdomyoma
Which immune mediated disease causes exercise intolerance and muscle weakness in adult dogs of various breeds?
Polymyositis
Which nematode encysts in myocytes, causing inflammation and eosinophilia?
Trichinella spiralis
What is the major economic importance of Trichinella spiralis?
Zoonosis
What are the clinical signs of masticatory myositis if left untreated?
Muscle weakness and atrophy
What microscopic feature is common in muscle necrosis?
Loss of cross striations
Which animal is susceptible to extensive ischemic necrosis within a short period of time?
Horses
What is the result of external pressure on muscles for prolonged periods?
Collapse of veins and arteries
What can cause a 'Rabbit leg' condition in animals?
Repeated efforts to rise or single force trauma
Which species is highly sensitive to ionophore toxicity?
Horses
What deficiency can cause 'White Muscle Disease' or 'Nutritional Cardiomyopathy' in young animals?
Vitamin E and selenium
What is a common outcome of stress during capture and translocation in wildlife?
Capture myopathy
What is the cause of sudden onset of stiff gait, swelling of affected muscle groups, and reluctance to move in horses?
Exertional rhabdomyolysis
What is a feature commonly observed in acute rhabdomyolysis in horses?
Coagulative necrosis and regeneration
Which deficiency can lead to 'Nutritional Myopathy' characterized by pale or 'white' muscles in young animals?
Vitamin E and selenium
What condition results in exercise-induced myonecrosis in any species, causing reluctance to move and non-specific signs of pain and discomfort?
Exertional Myopathy
What is a common cause of muscle necrosis in animals suffering from external trauma or sports injury?
Ischemia
Test your knowledge on the causes, pathogenesis, and pathology of diseases leading to muscle necrosis, muscle inflammation, and skeletal muscle neoplasia. Explore topics such as ischemia, trauma, toxins, and more.
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