A nurse is investigating the role of the agent in the cause of an illness. Which of the following best describes what the nurse is examining?

Question

Quizplus · Accepted Answer

The nurse is examining the "virus," which is an example of an agent in the context of the cause of an illness. In the epidemiological triad, agents are one of the three main components, alongside host and environment, that contribute to the cause of diseases. Agents can be biological (like viruses, bacteria, fungi), chemical (like toxins), or physical (like heat or radiation).

A Nurse Is Investigating the Role of the Agent in the Cause