The stem is describing myasthenia gravis: ptosis, fatigue with continuing exercise, slurred speech, etc.
So, there will be autoantibodies to the ACh receptor
In contrast, LES gets better with activity. There are autoantibodies to the presynaptic calcium channel and decreased ACh release
submitted by โbingcentipede(355)
The stem is describing myasthenia gravis: ptosis, fatigue with continuing exercise, slurred speech, etc.
So, there will be autoantibodies to the ACh receptor
In contrast, LES gets better with activity. There are autoantibodies to the presynaptic calcium channel and decreased ACh release