Which pair of drugs below is known to facilitate and inhibit (respectively) the release of acetylcholine?

Clarence, a "difficult" baby, often wakes during the night and is more easily upset than most infants his age. Studies of attachment suggest that Clarence

a. will most likely become insecurely attached to his mother b. may become securely attached to his mother if she is able to be flexible and learn how to adapt her behavior to Clarence's needs c. will become securely attached if his mother follows a set schedule and does not "give in" when Clarence fusses d. will become securely attached once he grows out of his "difficult" stage

Myasthenia gravis involves decreased release of ACh at the neuromuscular junction

Indicate whether the statement is true or false.