Biology Immune System

treats a bacterial infection

• antibiotics

• antivirals

• vaccinations

treats a viral infection

• antibiotics

• antivirals

• vaccinations

What is the primary function of the immune system?

• To make you feel itchy

• To protect against infection, illness, and disease

• To produce red blood cells

• To help you digest food

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Where do leukocytes originate?

• In the liver

• In the bone marrow

• In the heart

• In the stomach

What do phagocytes do when they encounter foreign cells?

• They cause swelling

• They consume them

• They ignore them

• They produce antibodies

What is the role of T-cells in the immune response?

• To produce red blood cells

• To destroy infected body cells

• To cause high temperatures

• To produce leukocytes

What do B-cells produce to neutralize threats?

• Red blood cells

• Antibodies

• Leukocytes

• Macrophages

Why does the body temperature rise during an immune response?

• To make it harder for bacteria and viruses to reproduce

• To help you sleep better

• To increase blood flow

• To make you feel uncomfortable

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What can cause the immune system to attack the body’s own healthy cells?

• A high temperature

• Autoimmune diseases

• A paper cut

• A mosquito bite

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How does the immune system help develop long-term immunity?

• By recognizing antigens and deploying the right antibodies

• By increasing body temperature

• By producing more red blood cells

• By causing swelling