|
| What is an allergen? |
|
A. Any substance that stimulates the production of antibodies.
|
16
Votes
|
32.0%
|
|
B. An antigen that produces allergic reactions.
|
25
Votes
|
50.0%
|
|
C. Proteins that are produced in response to an antigen.
|
9
Votes
|
18.0%
|
| Total Votes
|
50
Votes
|
|
|
|
|