4.6 - NOT DONE DMD

small calf muscles (calves become large due to fatty infiltration)

all the following are early signs of duchenne muscular dystrophy except:

• toe walking

• small calf muscles

• enlarged calf muscles

• keeping up with peers

spinal muscular atrophy type 1

severe weakness within the first 6 months of life is most commonly observed in:

• duchenne muscular dystrophy

• beckers muscular disease

• spinal muscular atrophy type 1

• spinal muscular atrophy type 3

F (proximal to distal)

T/F: duchenne muscular dystrophy is a progressive muscular weakness that starts distal to proximal

dystrophin; X

duchenne muscular dystrophy is caused by a mutation in the ___________ gene via a _______ linked autosomal recessive condition

50

a female carrier has a ________% chance of passing the gene to the offspring

males; females

(females or males) are symptomatic of duchenne muscular dystrophy and (females or males) are asymptomatic

20

_________% of females have a cardiac abnormality and some will have muscle weakness

males (females are typically the carriers)

(females or males) tend to have the signs duchenne muscular dystrophy

0-4

______-_____ age is diagnosis period for duchenne muscular dystrophy

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