The Nurse Notes That a Client with Glaucoma Has Been

The nurse notes that a client with glaucoma has been ordered an anticholinergic medication. What is the highest priority action on the part of the nurse?

A) Administer the medication; this is appropriate for this client.
B) Check the client's allergy history since it can cause anaphylaxis.
C) Call the pharmacist; the drug interacts with many other medications.
D) Call the physician; this is an inappropriate drug for this client.