Understanding Muscle and NMJ Lesions
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Questions and Answers

Which of the following is a 'positive' clinical manifestation of muscle disorders?

  • Weakness
  • Muscle atrophy
  • Exercise intolerance
  • Cramps (correct)
  • What is the most common 'negative' symptom reported by a patient with muscle disease?

  • Exercise intolerance
  • Muscle atrophy
  • Fatigue
  • Weakness (correct)
  • Which of the following is a muscle disease commonly associated with myalgias?

  • Myotonic disorders
  • Hypothyroid myopathy
  • Inflammatory myopathies (correct)
  • Toxic/drug-induced myopathies
  • What is the primary meaning of 'myopathy'?

    <p>Suffering from muscle disease</p> Signup and view all the answers

    Which type of muscle disease results in continuous, involuntary, painful, and localized muscle contractions?

    <p>Muscle cramps</p> Signup and view all the answers

    What is the objective loss of power or strength resulting from pathology along the motor pathway called?

    <p>Weakness</p> Signup and view all the answers

    Which of the following is an example of a known cause for muscle myotonia?

    <p>Dehydration</p> Signup and view all the answers

    What is the common symptom associated with exercise intolerance?

    <p>Muscle pain</p> Signup and view all the answers

    Which type of muscular hypertrophy refers to an increase in muscle glycogen storage?

    <p>Sarcoplasmic increase</p> Signup and view all the answers

    What is the common cause of Duchene muscular dystrophy (DMD)?

    <p>Absence of dystrophin gene</p> Signup and view all the answers

    Which gene mutation causes Myotonic Dystrophy type 1 (DM1)?

    <p>DMPK gene</p> Signup and view all the answers

    What is the most common kind of muscular dystrophy in adults?

    <p>Myotonic dystrophy (MD)</p> Signup and view all the answers

    What is the phenomenon of impaired relaxation of muscle after forceful voluntary contraction called?

    <p>Myotonia</p> Signup and view all the answers

    What is the primary symptom of exercise intolerance?

    <p>Fatigue</p> Signup and view all the answers

    What causes progressive muscle weakness and degeneration in Duchene muscular dystrophy (DMD)?

    <p>Absence of dystrophin gene</p> Signup and view all the answers

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