A nurse is reviewing a client's health record and notes a new prescription by the provider to verify the trough level of the client's medication. Which of the following actions should the nurse take?
a. Draw the blood sample immediately after the medication is administered
b. Draw the blood sample just before the next scheduled dose of the medication
c. Draw the blood sample 30 minutes after the medication is administered
d. Draw the blood sample during the peak effect of the medication
e. Draw the blood sample 2 hours after the medication is administered