Pathogens and Immune Response

Any organism that causes disease like a virus or bacteria is called:

• Antibiotics

• Antibody

• Pathogen

• Phagocyte

A white blood cell that destroys pathogens by engulfing them and breaking them down is called:

• B-cell

• Phagocyte

• Antibody

• Antigen

Part of the body's defense against pathogens in which cells of the immune system react to each kind of pathogen with a defense targeted specifically at that pathogen is called:

• Protective Barrier

• Inflammatory Response

• Immune Response

• Stomach acid

A lymphocyte that produces proteins called antibodies that help destroy pathogens:

• T-cell

• B-cell

• phagocyte

• macrophage

If the body is infected with bacteria or viruses, the most common response is...

• fever

• vomiting

• shivering

• sweating

A pathogen is a disease-causing agent.

• true

• false

When does an infection not occur?

• When the body's immune system is weak.

• When the body's immune system is overwhelmed by pathogens.

• When body mechanisms are successful in destroying the pathogens.

• When there is a lack of nutrients for the pathogens.

Doctors often use certain medications to treat infections. A few people have a reaction to some of these medications, such as itching, swelling, or trouble breathing. This is an example of

• using antibodies to cure a medical problem

• the body’s immune system overreacting to a usually harmless substance

• the body creating a mutation to fight unknown pathogens

• a vaccine causing the body to produce antigens against the infection

Tags

NGSS.HS-LS1-3

Vaccines are used to prevent diseases by which type of pathogen?

• virus

• bacteria

• parasite

• fungi

A protein produced by B cells of the immune system that destroys pathogens is called:

• Antigens

• Antibodies

• T-cells

• Lymphocytes