Chapter 48 Muscle Flashcards
1
Q
Genetic cause of myotonic dystrophy* A. Mutation in DMPK B. Mutation in ZNF9 C. Mutation in ZASP D. Mutation in T1A1
A
A. Mutation in DMPK (p. 1436)
2
Q
May be associated with congenital absence of muscle such as pectoralis and biceps* A. Duchenne B. Becker C. Emery-Dreyfuss D. Limb girdle muscular dystrophy E. Fascioscapulohumeral dystrophy
A
E. Fascioscapulohumeral dystrophy (p. 1458)
3
Q
Isolated weakness of the quadriceps is most likely due to* A. Steroids B. Diabetes C. Hypothyroidism D. Chemotherapeutic agents
A
A. Steroids (p. 1415)
4
Q
In older adults, the most common cause of isolated quadriceps femoris weakness is* A. Inclusion body myositis B. Dermatomyositis C. Polymyositis D. Duchenne muscular dystrophy
A
A. Inclusion body myositis (p. 1415)
5
Q
56-year-old male presents with weakness, beginning with the finger flexors. He also had proximal weakness of the legs. What is the most likely diagnosis?* A. Polymyositis B. Dermatomyositis C. Inclusion body myositis D. DMD
A
C. Inclusion body myositis (p. 1423)
