. The client with myasthenia gravis is receiving pyridostigmine. The nurse monitors for signs and symptoms of cholinergic crisis caused by overdose of the medication. The nurse checks the medication...

. The client with myasthenia gravis is receiving pyridostigmine. The nurse monitors for signs and symptoms of cholinergic crisis caused by overdose of the medication. The nurse checks the medication supply to ensure that which medication is available for administration if a cholinergic crisis occurs?

1. Vitamin K 2. Acetylcysteine 3. Atropine sulfate 4. Protamine sulfate