Which of the following ensures the validity of a specimen for alcohol and drug testing?

Pralidoxime is useful in treating nerve agent exposure because it:

a. Antagonizes the bradycardia associated with nerve agent exposure b. Causes sympathetic stimulation that counteracts the excessive parasympathetic stimulation c. Pralidoxime is contraindicated in situations where a patient has been exposed to a nerve agent d. Frees the bound acetylcholinesterase so that it can then remove the acetylcholine from receptor sites in the synapse

Shortly after you have treated a patient who was experiencing a cardiac dysrhythmia, the patient complains of dry mouth, blurred vision, palpitations, and sensitivity to light. Which of the following drugs is most likely to cause these effects?

A) Adenosine B) Lidocaine C) Amiodarone D) Atropine