Answer and Explanation:
1. The advantages of the medication are: stability of the heart rate, reduction of the mucus that can harm the surgery.
2. Possible complications are: nausea, vision problems, decreased coporal sweating, decreased saliva.
3. If the patient has received a similar medication for several months, it is necessary to make assessments of the patient's body condition, especially regarding sleep stability.
4. Bethanechol chloride is used to reduce bladder problems, while atropine sulfate is used to maintain cardiac stability, especially during surgery.
5. Benztropine is classified as an anticholinergic, which are drugs that act on the nervous system, preventing the tremors caused by Parkinson's disease.
6. The nurse must inform that the patient must take the medication three times a day, in doses of 0.5 - 2 mg, which should be increased gradually.