Immune System

A substance that triggers an immune response is a(n):

• antibody

• antigen

• allergy

• antibiotic

Cells of the adaptive immune system include:

• B-cells

• Phagocytes

• Mast cells

• T-cells

Leukocytes that engulf pathogens are known as:

• Mastocytes

• B-cells

• Phagocytes

• Antibodies

The immune system recognises self versus non-self:

• mitochondria

• proteins

• antigens

• DNA

Vaccines help stimulate which part of the immune system?

• Complementary

• Adaptive

• Innate

Oh no! You have a virus! Which cells type do you want your body to activate?

• Phagocytes

• Mast cells

• Interferons

• Eosinophils

Which cells help recognise and bind to specific pathogens to aid destruction?

• Antigens

• Phagocytes

• Immunoglobulins

Allergic response is an over-reaction to an allergen which triggers _____________ production.

• histamine

• protein

• interferon

• immunoglobulins

______________ filter lymph fluid for bacteria, viruses, cancer cells and harmful substances.

• Lymph vessels

• The thymus gland

• Blood plasma

• Lymph nodes