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Questions and Answers
What is the clinical significance of elevated serum CK activity?
What is the clinical significance of elevated serum CK activity?
- It is a common symptom of viral myositis
- It is only elevated in Duchenne muscular dystrophy
- It is highest in infancy and childhood in progressive muscular dystrophy (correct)
- It is not related to any muscle diseases
At what age is serum CK activity highest in progressive muscular dystrophy?
At what age is serum CK activity highest in progressive muscular dystrophy?
- Early adulthood (19-30 years of age)
- Middle age (31-50 years of age)
- Adolescence (11-18 years of age)
- Infancy and childhood (7-10 years of age) (correct)
What is the significance of high values of CK in asymptomatic female carriers of Duchenne dystrophy?
What is the significance of high values of CK in asymptomatic female carriers of Duchenne dystrophy?
- It is only found in female carriers of the disease
- It is not significant and does not indicate the presence of the disease
- It is a common symptom of the disease
- 50%-80% of asymptomatic female carriers show threefold to six-fold increase of CK activity (correct)
