A patient who is prescribed neostigmine (Prostigmin) for newly diagnosed myasthenia gravis (MG) asks how the medication works. What should the nurse respond to the patient?
a. "It is a muscle relaxant that prevents the cramping in your muscles."
b. "It provides potassium to your muscles so that they will contract better."
c. "It makes more neurotransmitter available so that your muscles can contract."
d. "It reduces the inflammation in your nerves so that they transmit signals better."
ANS: C
Medications used to treat MG include the anticholinesterase (ACh) drugs neostigmine (Prostigmin) and pyridostigmine (Mestinon). These drugs improve symptoms of MG by destroying the acetylcholinesterase that breaks down ACh. A. B. This medication does not provide potassium or relax the muscles. D. Steroids reduce inflammation.
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