A Patient Asks the Nurse How the Immune System Protects

A patient asks the nurse how the immune system protects the body. What is the nurse's best response?

A) "Self-recognition allows the immune system to recognize foreign parts."
B) "Memory means that the immune system develops lasting protection against specific invaders."
C) "Specificity is the ability of the immune system to react with a particular response to one antigen."
D) "Tolerance is the term for the ability of the immune system to differentiate between the person's body and foreign substances."

Correct Answer:

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