The provider has ordered a medication for a patient in the electronic health record. The nurse compares the ordered medication to the drug guide, see table below. Drug Guide Information Provider Order Drug: metoprolol succinate (Toprol-XL) Dosage: 25 - 200 mg once daily Route: by mouth, do not crush or chew Metoprolol succinate 50 mg PO QD What part of this order requires clarification by the nurse prior to administering the medication?