An Infectious Agent That Originates from Outside the Body Is

Question

An infectious agent that originates from outside the body is called ________.
A)exogenous
B)an exotoxin
C)an enterotoxin
D)endogenous
E)axenic

Accepted Answer

Exogenous means originating from outside the body, while endogenous refers to originating from within the body. Exotoxins and enterotoxins refer to specific types of toxins produced by certain bacteria, and axenic refers to a sterile environment without any living organisms. Therefore, the best answer is A, exogenous.