The Nurse Is Caring for a Client Who Has Been

The nurse is caring for a client who has been brought to the emergency department with upper GI bleeding.The client is vomiting copious amounts of bright red blood.Which is the nurse's priority action?

A) Ensure that the client has a patent airway.
B) Start a normal saline IV infusion.
C) Gather equipment to start a saline lavage.
D) Assess the client for causative factors.