Immune System Review 2022

What body system protects animals against invaders such as bacteria and viruses?

• Immune System
• Integumentary System
• Mammary System
• Respiratory System

 Like all other body systems, the immune system helps the body maintain homeostasis.  Which statement best describes how the immune system does this?  

• it protects other organs and tissues from infection and disease
• it breaks down food to provide cells with nutrients
• it gathers information through the senses and controls all other body systems
•  it transports oxygen and carbon dioxide

What is immunity?

• The body's ability to produce cells that inactivate foreign cells or substances.
• The body's ability to regulate homeostasis through feedback loops. 
• The body's ability to produce the "fight or flight" response.
• The body's ability to use the endocrine system to fight disease.

Which of the following is an example of active immunity?

• You get a vaccination
• You create antibodies
• You get infected
• All of these are correct

Which is an example of passive immunity?

• You have been infected
• You have been vaccinated
• You made antibodies
• You got your mother's antibodies

When Kristen was five, she became sick with chickenpox & then recovered.  Why is Kristen unlikely to get chickenpox a second time?

• Kristen has not developed antibodies to chickenpox.
• Kristen has developed a vaccination against chickenpox.
• Kristen's body no longer contains cells that can be damaged by chicken pox.
• Kristen's body has memory cells that will produce antibodies to fight chickenpox. 

All foreign materials that cause a response from the immune system are called _____________________.

• Antigens
• Active Immunity
• Antibodies
• Antibiotics

Pathogens are recognized by their...

• antigens
• antibodies
• killer t-cells
• B-cells

Proteins produced by B cells and designed to mark antigens to be destroyed, specific to the antigen.

• Antigens
• Active Immunity
• Antibodies
• Antibiotics

Which one is a way the body defends against a pathogen?

• Fever
• Stomach Acid digesting
• White Blood Cells fighing
• All of these are correct