Which of the following statements is true of a situation where the body encounters the same invader twice?
A) Both the first and second immune responses are slow.
B) The first response is faster than the second response.
C) The second response is faster than the first response.
D) Both the first and second immune responses are fast.

Question

Quizplus · Accepted Answer

The second response is faster than the first response because memory cells specific to the invader are already present and can quickly initiate a targeted response. This is called a secondary immune response.

Which of the Following Statements Is True of a Situation