Immune System

What is the function of antibodies within the immune system?

• Antibodies kill off any antigen that enters the body.

• Antibodies are only made when you are given a vaccination for specific antigens.

• Antibodies bind to specific antigens to flag for destruction.

• Antibodies are part of an external defense mechanism.

Which of the following statements are TRUE about vaccinations?

• Allow B cells to make antibodies for any type of antigen the body comes in contact with.

• Triggers the body to make memory cells for specific pathogens.

• They are substances prepared from killed or weakened pathogens.

• Always allows the body to resist an infectious disease any time it comes into contact with it.

Tags

NGSS.MS-LS1-3

Pathogens are...

• Foreign substances that attack the body.

• White blood cells that attack foreign substances that enter the body.

• A type of internal defense mechanism in the immune system.

• Do not cause disease

Anything that triggers an immune response is a/n

• lymph cell
• antigen
• antibody
• neutrop

What is the term for a strong response to a harmless antigen in the environment?

• An allergy

• Cell-mediated immunity

• An autoimmune disease

• Inflammatory response

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

 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

Tags

NGSS.HS-LS1-3

Rejection of a newly transplanted organ is caused by

• the immune system reacting to the presence of the organ

• antibiotics that stimulate the immune system to attack the organ

• inheritance of genetic disorders from infected individuals

• development of cancerous cells in the organ

A student received a flu shot in the fall. During the flu season, the student caught a cold. The most likely reason the vaccine he received did not prevent the cold was that

• his illness was not caused by a pathogen

• he did not get the vaccine at the right time of year

• his body produced antibiotics in response to the vaccine

• the vaccine he received contained only flu virus antigens

People who have AIDS are more likely than others to become ill with multiple infections because the pathogen that causes AIDS

• targets many body systems

• mutates, releasing toxins directly into the bloodstream

• increases the rate of enzyme activity in different types of body cells

• damages the immune system