The Nurse Is Preparing to Administer the Anticholinergic Medication Benztropine

The nurse is preparing to administer the anticholinergic medication benztropine (Cogentin) to a patient who has Parkinson's disease.The nurse understands that this drug is used primarily for which purpose?

A) To decrease drooling and excessive salivation
B) To improve mobility and muscle strength
C) To prevent urinary retention
D) To suppress tremors and muscle rigidity