21.4B Text A (pg.652-654)

What triggers specific immune defenses?

• Antibodies

• T cells

• B cells

• Antigens

What are vaccines used for?

• To cause diseases

• To cure diseases

• To study diseases

• To prevent diseases

Where are B cells produced?

• In the bone marrow

• In the liver

• In the thymus

• In the spleen

What is the role of antibodies in the immune system?

• To suppress immune response

• To mature T cells

• To tag antigens for destruction

• To produce antigens

What can cause an overreaction of the immune system?

• Antigens

• Allergens

• Antibiotics

• Vaccines

What is asthma?

• A condition causing difficulty breathing

• A viral infection

• An autoimmune disease

• A type of allergy

What is the cause of AIDS?

• Human immunodeficiency virus (HIV)

• Human papillomavirus (HPV)

• Hepatitis B virus (HBV)

• Herpes simplex virus (HSV)

How is HIV transmitted?

• Through sexual intercourse with an infected person

• Through coughing and sneezing

• Through casual contact

• Through vaccination

What is the function of T cells?

• To produce antibodies

• To recognize specific antigens

• To suppress immune response

• To produce antigens

What is an autoimmune disease?

• A disease caused by vaccines

• A disease that cannot be cured

• When the immune system attacks the body's own cells

• When the body is immune to all diseases