Pathogens and Diseases

Which pathogen is non-living?

• Virus

• Bacterium

• Fungus

• Parasite

What do antibiotics cure?

• bacteria

• viruses

• parasites

• fungi

Which pathogen needs a host cell to reproduce?

• virus

• bacterium

• fungus

• parasite

This is the word for a disease causing organism.

• Phagocyte

• Pathogen

• Pandemic

• eukaryote

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

Which best explains how a nonliving virus is able to reproduce?

• A virus becomes living when in contact with a host organism.
• A virus infects a host organism by injecting its DNA into the cells of the host organism.
• A virus infects a host organism by pulling the DNA from the cells of the host organism into itself.
• A virus becomes living when a sufficient number of viruses invade a host organism and cause an infection.

Which best distinguishes an infectious disease from a noninfectious disease?

• Infectious diseases can be cured with antibiotics; noninfectious diseases cannot.
• Infectious diseases can be prevented with vaccines; noninfectious diseases cannot.
• Infectious diseases can be spread from one organism to another; noninfectious diseases cannot.
• Infectious diseases cannot be transmitted from one organism to another; noninfectious diseases can.

Which of the following pathogens are prokaryotic?

• Bacteria

• Viruses

• Protists

• Fungi

Viruses are not considered living organisms even though they have several characteristics of living things.  What is the reason viruses are not considered alive?

• They are too small.
• A virus is a living organism.
• They need a host to reproduce.
• Viruses do not have DNA/genetic material.

What is a noninfectious disease?

• A disease that can spread
• A pathogen
• A disease that can't spread
• Rabies