AP BIOLOGY

THE HUMAN IMMUNE SYSTEM

TYPES OF IMMUNITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the main difference between active and passive immunity?
A
Passive immunity is developed due to the production of antibodies in one’s own body, while active immunity is developed by antibodies that are produced outside and then introduced into the body.
B
Active immunity is developed due to the production of antibodies in one’s own body, while passive immunity is developed by antibodies that are produced outside and then introduced into the body.
Explanation: 

Detailed explanation-1: -The major advantage to passive immunity is that protection is immediate, whereas active immunity takes time (usually several weeks) to develop. However, passive immunity lasts only for a few weeks or months. Only active immunity is long-lasting.

Detailed explanation-2: -What is the key difference between active immunity and passive immunity? In active immunity, a body produces its own antibodies; in passive immunity, a person receives pre-made antibodies.

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