Bio ch. 17 pt 1 review

Front

What is the role of T cells in the immune response?

Back

T cells call B cells to action, leading to the production of antibodies that react with antigens.

Front

What is the sequence of events that leads to the destruction of antigens?

Back

T cells activate B cells, B cells produce antibodies, antibodies clump antigens, and phagocytes attack the clumped antigens.

Front

What is an example of a disease that can lead to active acquired immunity?

Back

Chickenpox is an example of a disease that can lead to active acquired immunity.

Front

What is the main function of the skin?

Back

The main function of the skin is to act as a barrier covering the whole body.

Front

What happens when the same foreign substance enters the body again?

Back

Remaining antibodies destroy the substance before it can do harm.

Front

What is a vaccine?

Back

A vaccine is a serum made from dead or weakened forms of bacteria or viruses.

Front

How do antibodies function in the immune response?

Back

Antibodies bind to antigens, neutralizing them and marking them for destruction.

Front

What is the difference between active and passive immunity?

Back

Active immunity is developed through exposure to antigens, while passive immunity is acquired through antibodies from another source.

Front

What role do phagocytes play in the immune system?

Back

Phagocytes engulf and digest foreign particles and pathogens.

Front

What is the significance of memory cells in the immune response?

Back

Memory cells provide long-term immunity by remembering past infections and responding more rapidly upon re-exposure.