Immune System

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

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

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

• Antigens
• Active Immunity
• Antibodies
• Antibiotics

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

• Antigens
• Active Immunity
• Antibodies
• Antibiotics

Which of the following is a non-specific response?

• Fever
• Red, itchy eyes that may be crusted shut
• Signs that is related to one antigen

First recognizes foreign body and eats it and displays it to the other cells

• Macrophage
• T Cells
• B Cells

Inspect antigen, attacks & kills antigen, if it is recognized

• Macrophage
• T Cells
• B Cells

What do B cells produce?

• antigens
• macrophages
• T cells
• antibodies

Which is an example of passive immunity?

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

What do memory cells do?

• Kills the virus
• Eats the virus
• Patrol the area and make the immune system work faster next time.
• Makes antibodies

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