16 Questions
What is the primary characteristic of myopathy?
Fatigue
Which type of myopathy is associated with exercise intolerance and muscle atrophy?
Hypothyroid myopathy
What is the most common 'negative' symptom reported by a patient with muscle disease?
Weakness
Which type of myopathy is commonly associated with localized contraction of an entire muscle group, individual single muscle, or select muscle fibers?
Myotonic disorders
Which type of myopathy is specifically associated with continuous, involuntary, painful muscle contractions?
Myotonic disorders
Which type of myopathy is commonly associated with muscle pain and is not common in most other muscle diseases?
Inflammatory myopathies
What is the common symptom of exercise intolerance?
Fatigue
Which type of muscular hypertrophy refers to an increase in myofibrils?
Myofibrillar
What is the phenomenon of impaired relaxation of muscle after forceful voluntary contraction called?
Myotonia
Which type of muscular dystrophy is a lethal progressive pediatric muscle disorder?
Duchene muscular dystrophy
What causes muscle wasting and weakness that makes it hard to relax the muscles after gripping or holding something?
Myotonic dystrophy (MD)
What is the most common kind of muscular dystrophy in adults?
Myotonic dystrophy (MD)
What is the common cause of myotonia?
Repetitive depolarization of muscle membrane
Which gene mutation causes type 1 myotonic dystrophy (DM1)?
DMPK gene
What is the primary cause of premature demise in individuals affected by Duchene muscular dystrophy (DMD)?
Respiratory and/or cardiac failure
What is the invariable result of any disturbance in the biochemical pathways that support muscle contraction?
Fatigue
Learn about myopathy, including its definition, types, diagnosis, and treatment, as well as neuromuscular junction lesions. This quiz covers the basics of muscle disorders affecting skeletal muscle structure, metabolism, and ion channel function.
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