A Client Who Has Myasthenia Gravis (MG)exhibits Increased Muscle Weakness,difficulty

A client who has myasthenia gravis (MG) exhibits increased muscle weakness,difficulty swallowing,and respiratory distress.Cholinergic crisis is diagnosed and is medically treated by:

A) administrating atropine
B) conducting a Tensilon test
C) providing oxygen by a mask
D) performing a tracheotomy