An RN Working in a General Medical-Surgical Unit Is Caring

Multiple Choice

An RN working in a general medical-surgical unit is caring for a 57-year-old female with a bladder infection. Two weeks prior to hospitalization, the patient was experiencing slight burning upon urination. She self-treated by increasing her intake of fluids, but her symptoms continued to worsen. One week later, she developed generalized abdominal pain and a fever. She presented to the hospital when the pain became unbearable and fever reached 104°F. She was admitted to the medical-surgical unit and started on multiple IV antibiotics with concern that she could be developing a kidney infection.
-Which line(s) of defense has/have been breached in this patient's case? 

A) Only the first line of defense has been breached.Her second line of defense is fighting off this infection.
B) No lines of defense have been breached.Her intact barrier system is keeping her kidneys from becoming infected.
C) The second line of defense has been breached.Her lymphocytes are now being challenged by this infection.
D) There are no lines of defense for this sort of infection.