Which of the following are associated with myasthenia gravis?

1. It interferes with acetylcholine transmission.
2. It causes weakness of voluntary muscles.
3. It is usually an ascending paralysis starting in the legs.
4. It is usually preceded by a viral infection.
a. 1, 2
b. 3, 4
c. 2, 3, 4
d. 1, 2, 3


A
Myasthenia gravis is a condition where there is interference with acetylcholine transmission. This causes weakness of voluntary muscles.

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