Myasthenia Gravis Is an Autoimmune Disease in Which the Immune

Multiple Choice

Myasthenia gravis is an autoimmune disease in which the immune system gradually destroys the receptors for acetylcholine at the neuromuscular junction. Which of the following drugs might initially be useful in treating the symptoms of this disease?

A) a drug that inhibits acetylcholinesterase
B) a drug that inhibits release of acetylcholine
C) curare
D) atropine (a muscarinic acetylcholine receptor antagonist)
E) a nicotinic acetylcholine receptor antagonist