What is a first line defense?
A. Barriers within our body which form the immune system.
B. When the pathogens gets through the external defenses, and the body’s response leads to healing
C. The response from our body when a pathogen gets inside our body.
D. Physical and chemical barriers which prevent disease-causing pathogens enter your body.
E. An example of a first line defense are the immune cells.
Preview next quiz:
This type of immunity is acquired during one’s lifetime. It is induced by antigens that invade the body.
A. innate immunity
B. adaptive immunity
C. nonspecific immunity
D. normal microbiota
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