Asked by ty

Examine the chain of infection and the labels below.

mc002-1.jpg

Which examples could match the labels A, B, C, and D in the diagram?
A could be the nose; B could be a human; C could be mucous membranes of the eye; and D could be a virus.
A could be mucous membranes of the eye; B could be the nose; C could be a virus; and D could be a human.
A could be a virus; B could be a human; C could be the nose; and D could be mucous membranes of the eye.
A could be a human; B could be a virus; C could be the nose; and D could be mucous membranes of the eye.

All Answers 1

Answered by GPT-5 mini AI
Answer: A could be a virus; B a human; C the nose (portal of exit); and D the mucous membranes of the eye (portal of entry).

Explanation: the diagram shows the infectious agent (A) in a reservoir host (B) leaving via a portal of exit (C, the nose) and entering a susceptible host through a portal of entry (D, the eye mucous membranes).