A nurse is reinforcing teaching with a client who is taking benztropine to treat Parkinson's disease.The nurse should instruct the client to report which of the following findings as an adverse effect of the medication?.

Choice A rationale:Slow pulse is not a common side effect of benztropine.Choice B rationale:Difficulty voiding is a known side effect of benztropine due to its anticholinergic effects.Choice C rationale:Excessive salivation is not a common side effect of benztropine, dry mouth is more common.Choice D rationale:Diarrhea is not a common side effect of benztropine, constipation is more common.So, the correct answer is B.