Antibodies and Antigens

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

• Antigens
• Active Immunity
• Antibodies
• Antibiotics

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

What happens after the second time you are exposed to a pathogen?

• The body will not be able to fight off the pathogen quickly, because it knows how to get into the body easier.

• The body's immune system will react the same was as it did during the first exposure.

• The body can only be exposed to a pathogen a second time if you do not have a vaccine.

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

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NGSS.MS-LS4-4

Which of the following statements is TRUE about someone's immune system that has allergies?

• Body cells are dividing at an uncontrolled rate.

• The body is reacting to foreign antigens that are not dangerous to most people.

• T cells and B cells in the body cannot be activated.

• The body is mistaking its own cells for foreign antigens.

Tags

NGSS.HS-LS1-3

These are found in blood and help fight infections...

• white blood cells

• platelets

• plasma

• red blood cells

Someone with Type A blood also has...

• Type A antibodies

• Type B antibodies

• both Type A & B antibodies

• neither Type A nor B antibodies

Someone with both Type A & B antibodies is which blood type?

• A

• B

• AB

• O

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Someone with Type A blood has...

• A antigens

• A antibodies

• B antigens

• A & B antigens

A substance on the surface of red blood cells that can trigger the production of antibodies

• agglutinates

• antigens

• anemia

• Rh Factor