Grade 12 Biology Infectious Diseases and Immune System

Which pathogen is non-living?

• Virus

• Bacteria

• Fungi

• Parasite/Protist

• They are all alive

How could you describe the size of a virus?

• Smaller than bacteria
• Larger than a parasite
• About the size of a dime
• Smaller than a proton

Which pathogen is treated with antibiotics?

• virus

• bacteria

• parasite

• fungi

Athlete's Foot is caused by:

• fungus

• bacteria

• parasite

• virus

Malaria is a common disease in many countries. What type of pathogen is malaria?

• a virus

• a bacterium

• a fungus

• a protist

Which pathogen needs a host cell to reproduce?

• virus
• bacteria
• fungus
• parasite

Which best compares bacteria and viruses?

• bacteria are smaller than viruses
• bacteria cause disease, but viruses do not
• bacteria have genetic material, but viruses do not
• bacteria are living organisms, but viruses are not

What do scientists call bacteria and viruses that can make people sick?  

• diseases
• vaccines
• antibodies
• pathogens

What is the main purpose of the immune system?

• support the body through bones and muscles
• get rid of waste from the body
• protect the body from pathogens
• move blood through the body

Vaccines stimulate the body to produce...

• autoimmune diseases
• helper t-cells
• fever
• antibodies