Immune System and Pathogens Quiz

What is the role of the immune system?

• To fight off pathogens

• To produce antibodies

• To regulate body temperature

• To digest food

What are pathogens?

• Enemies on the path to destroy your body

• Cells that help fight infections

• Harmful substances in the environment

• Parts of the immune system

Which of the following is NOT a harmful pathogen?

• Bacteria

• Viruses

• Fungus

• White blood cells

What is the first line of defense in the immune system?

• Skin

• Saliva

• White blood cells

• Stomach acid

What is the process by which white blood cells kill pathogens?

• Phagocytosis

• Antibody production

• Cellular respiration

• Mitosis

What do antibodies do?

• Latch onto germs

• Destroy white blood cells

• Regulate body temperature

• Digest food

What is the role of leukocytes in the immune system?

• Eliminate toxins and waste from the lymphatic system

• Trigger the immune response

• Help identify invaders

• Go in search of infection and kill it

Which of the following is a living organism that can be killed with antibiotics?

• Bacteria

• Viruses

• Fungus

• Lymphocytes

How are viruses transmitted?

• Through the air

• Through direct contact

• Through contaminated food or water

• All of the above

What is an example of a fungal infection?

• Ringworm

• Strep throat

• Common cold

• HIV/AIDS