The question should read:
JoAnn has a cold. She is coughing up mucus (a respiratory secretion) from her lungs. JoAnn is the _____ in the chain of transmission. The mucus from her cough is the _____ in the chain of transmission.
The options to choose from are: portal of exit, reservoir, portal of entry
The answers are JoAnn is the reservoir in the chain of transmission. The mucus from her cough is the portal of exit in the chain of transmission.
JoAnn is the reservoir because the cold is stored in her body. The mucus is the portal of exit because it is being coughed up outside the body.
Answer:
The first space is reservoir
The second space is portal of exit
(in other words the person above me is correct)
I got this right on a test. I hope this helps!
