The practical nurse (PN) is preparing to administer a scheduled dose of benztropine to a client with Parkinson’s disease. The client reports having a very dry mouth. Which action should the PN take?

Administer the scheduled medication and provide oral care.

Review the serum drug level before administering the medication.

Withhold the scheduled medication and notify the charge nurse.

Observe the client’s gums for signs of tissue overgrowth.