The Nurse Is Caring for a Client at an Outpatient

The nurse is caring for a client at an outpatient clinic who is experiencing an allergic reaction to an unknown allergen. Which of the following actions is most appropriate for the nurse to implement?

A) Perform a focused physical assessment.
B) Obtain the health history from the client.
C) Teach the client about the various diagnostic studies.
D) Administer skin testing by the cutaneous scratch method.