Immune System- Regents Practice Qs

Front

What do vaccines stimulate the body to produce?

Back

Antibodies

Front

What do vaccinations provide after exposure to a pathogen?

Back

Memory cells

Front

What happens after the second exposure to a pathogen?

Back

The body will know how to fight off the pathogen quickly, because memory cells have been created after the first encounter.

Front

What is the primary function of the immune system?

Back

To recognize, attack, and destroy foreign cells or substances that may cause disease.

Front

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

Back

They assist in activating B-cells and other immune cells.

Front

How do antibodies function in the immune system?

Back

They bind to specific antigens on pathogens to neutralize them or mark them for destruction.

Front

What is herd immunity?

Back

When a large percentage of a population is vaccinated, providing indirect protection to those who are not immune.

Front

What is the difference between active and passive immunity?

Back

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

Front

What is an autoimmune disease?

Back

A condition where the immune system mistakenly attacks the body's own cells.

Front

How can regular handwashing prevent the spread of viruses?

Back

It removes pathogens from the hands, reducing the likelihood of transmission.