Which of the following situations represents a break in the "first line of defense" against infection?
A) An abnormally low total white blood cell (WBC) count
B) A "shift to the left" on the WBC differential
C) Use of an indwelling bladder catheter
D) Poor nutritional status

Question

Quizplus · Accepted Answer

The "first line of defense" against infection includes physical barriers like skin and mucous membranes. An indwelling bladder catheter can breach these barriers, providing a pathway for pathogens to enter the body.

Which of the Following Situations Represents a Break in the "First