Muscular Dystrophy Symptoms and Characteristics
18 Questions
0 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

What is the primary defect in X-linked pseudohypertrophic muscular dystrophy?

  • Deficiency of a protein called dystrophin
  • Mutation of a large gene located on the short arm of X chromosome (correct)
  • Abnormality on the Y chromosome
  • Mutation of a small gene located on the long arm of X chromosome

    • Which of the following is a characteristic feature of Beckers muscular dystrophy?

  • Benign course (correct)
  • Intellectual retardation
  • Severe muscle weakness
  • Prominence of calves

    • What is the mode of inheritance of facio-scapula-humeral muscular dystrophy?

  • X-linked recessive
  • Autosomal dominant (correct)
  • Mitochondrial
  • Autosomal recessive

    • Limb-girdle muscular dystrophy is inherited in which pattern?

    <p>Autosomal recessive</p> Signup and view all the answers

    Which of the following endocrine disorders can cause a myopathy?

    <p>Cushing's syndrome</p> Signup and view all the answers

    What is the significance of creatine estimation in urine in children below 2 years?

    <p>It is normally present</p> Signup and view all the answers

    What is the characteristic feature of muscular dystrophy?

    <p>Progressive degeneration of skeletal muscles</p> Signup and view all the answers

    Which type of muscular dystrophy is characterized by bilateral, symmetrical, and proximal muscle weakness?

    <p>Duchenne Muscular Dystrophy</p> Signup and view all the answers

    What is the typical manner of getting up from the floor observed in patients with muscular dystrophy?

    <p>Climbing test or Gower's sign</p> Signup and view all the answers

    Which muscle group is typically spared in muscular dystrophy?

    <p>Sternomastoid muscle</p> Signup and view all the answers

    What is the term for the phenomenon of muscle wasting, accompanied by an apparent increase in muscle size due to fatty infiltration?

    <p>Pseudo-hypertrophy</p> Signup and view all the answers

    Which type of muscular dystrophy is characterized by weakness and wasting of the facial muscles, as well as the shoulder and arm muscles?

    <p>Facio-scapula-humeral Muscular Dystrophy</p> Signup and view all the answers

    What is the age of onset for Duchenne's muscular dystrophy?

    <p>Within the first 5 years of life</p> Signup and view all the answers

    What is the characteristic of Duchenne's muscular dystrophy in terms of dystrophin?

    <p>Absent dystrophin or less than 3% normal</p> Signup and view all the answers

    What type of muscular dystrophy is characterized by a severe Duchenne subtype and a benign Becker subtype?

    <p>Pelvic girdle type</p> Signup and view all the answers

    What is a characteristic of Facio-scapula-humeral muscular dystrophy?

    <p>Facio-scapula-humeral type (Landouzy and Dejerine)</p> Signup and view all the answers

    What is a complication of progressive muscular dystrophies?

    <p>Fibrosis and contractures of the affected muscles</p> Signup and view all the answers

    What is a type of limb girdle muscular dystrophy?

    <p>Distal type of Gower</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser