Which of the following statements concerning specific immunity is FALSE?
A) It is the third line of defense.
B) It has memory.
C) It changes little with repeated exposure to the same pathogen.
D) It is acquired.
E) It is the body's ability to respond to specific invading pathogens.

Question

Quizplus · Accepted Answer

Specific immunity actually changes significantly with repeated exposure to the same pathogen. This is why vaccines are effective: they stimulate the immune system to produce memory cells that can quickly recognize and respond to a pathogen upon subsequent exposure.

Which of the Following Statements Concerning Specific Immunity Is FALSE