Zoology-Immunity
NEET Zoology Immunity MCQ Question
Type: MCQ-numerical-Hard-Class 12
If an individual is exposed to a pathogen for the first time, and it takes 10 days for the primary response to reach its peak intensity, how many days earlier will the secondary response peak upon re-exposure to the same pathogen?
A
7 days
B
10 days
C
5 days
D
0 days
Correct Answer
Option A
Detailed Explanation
The secondary response, also known as the anamnestic response, is highly intensified and occurs more rapidly due to the memory of the first encounter. Since it is much faster, it peaks earlier than the primary response, which typically takes several days to reach peak intensity.
Found an issue with this question?