A nursing instructor is preparing for a class discussion on spinal muscular atrophy (SMA). When describing type 2 SMA, which of the following would the instructor include? Select all answers that apply
A) Onset before 6 months of age
B) Weakness most severe in shoulders and hips
C) Difficulty with swallowing
D) Slowly progressing condition
E) Genetic disease with autosomal recessive inheritance
B, D, E
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Any type of spinal muscular atrophy is a genetic motor neuron disease due to autosomal recessive inheritance. Type 2 SMA usually occurs between 6 and 18 months of age, with weakness that is most severe in the shoulders, hips, thighs, and upper back. It is slower in progression than type 1 . Survival into adulthood is common if respiratory status is maintained appropriately. Type 1 SMA occurs before birth to 6 months of age and the child usually has difficulty swallowing, sucking, and breathing.
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