B. Expiration date and time Checking the expiration date on all medications and intravenous products is a standard of nursing practice. In addition, the nurse is responsible for ensuring the client receives the correct unit of blood by checking the identity of the blood product, the client, and the compatibility (blood type and Rh factor) of the blood and the client. More test answers on https://studyhippo.com/ati-medical-surgical-practice-test-cardiovascular-and-hematology/