Figure 17.1

-In Figure 17.1, the arrow at time (c) indicates
A) the primary response.
B) the T- cell response.
C) exposure to a new antigen.
D) the time of exposure to the same antigen as at time (a).
E) the secondary response.

Question

Figure 17.1
 
-In Figure 17.1, the arrow at time (c) indicates
A) the primary response. 
B) the T- cell response. 
C) exposure to a new antigen. 
D) the time of exposure to the same antigen as at time (a). 
E) the secondary response.

Quizplus · Accepted Answer

The arrow at time (c) indicates the secondary response, which occurs after exposure to the same antigen as at time (a) and results in a faster and more robust immune response than the primary response.

Figure 17.1 -In Figure 17.1, the Arrow at Time (C) Indicates