The Nurse Instructs a Client Who Has Myasthenia Gravis to Take

The nurse instructs a client who has myasthenia gravis to take prescribed medications on time and to eat meals 45 to 60 minutes after taking anticholinesterase drugs.The client asks why the timing of meals is so important.Which is the nurse's best response?

A) "This timing allows the drug to have maximum effect, so it is easier for you to chew, swallow, and not choke."
B) "This timing prevents your blood sugar level from dropping too low and causing you to be at risk for falling."
C) "These drugs are very irritating to your stomach and could cause ulcers if taken too long before meals."
D) "These drugs cause nausea and vomiting. By waiting a while after you take the medication, you are less likely to vomit."