The nurse educator asks the student nurses to identify the difference between endogenous and exogenous microorganisms. Which is the best description by a student nurse of an endogenous microorganism that causes infection?
A) Present within the individual's body
B) Present outside the individual's body
C) Common example is salmonella
D) Common example is Clostridium tetani
A
Feedback:
Endogenous (present within the person's body) microorganisms cause infection in the individual's body. In other cases, exogenous (from outside the body) microorganisms are responsible. Salmonella, Clostridium tetani, and Aspergillus species are examples of common exogenous microorganisms that cause nosocomial infections.
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