PBS Unit 3.1 Review

What infectious agent causes athlete's foot and ringworm?

• Bacteria

• Viruses

• Fungi

• Parasites

What is direct transmission of a disease?

• Direct transmission requires close contact and may occur through touch or exposure to body fluids.

• Direct transmission occurs only through airborne particles.

• Direct transmission can happen through contaminated food or water.

• Direct transmission is when a disease is spread by insects.

What is a pandemic?

• A localized outbreak of a disease affecting a small community.

• An outbreak of a disease that occurs over a wide geographic area and affects a large proportion of the population.

• A seasonal illness that affects a specific age group.

• A rare disease that only affects a few individuals in isolated areas.

What is indirect transmission of a disease?

• Direct contact between infected individuals

• Spread through an intermediary object or organism

• Transmission via airborne particles

• Infection through contaminated food or water

What is nosocomial infection?

• An infection acquired in a hospital or healthcare facility.

• An infection that is transmitted through food.

• An infection that occurs in the community.

• An infection caused by a virus only.

What is the function of the cell wall?

• The cell wall provides structure and protection to the cell.

• The cell wall allows nutrients to enter the cell.

• The cell wall helps in cell division.

• The cell wall stores genetic information.

What are bacteria?

• Bacteria are unicellular organisms that can photosynthesize.

• Bacteria are living prokaryotic organisms that cause disease and can usually be treated using antibiotics.

• Bacteria are multicellular organisms that are always harmful to humans.

• Bacteria are viruses that can only reproduce inside a host cell.

What are protists?

• A group of prokaryotic microorganisms

• A diverse group of eukaryotic microorganisms, some of which can cause diseases.

• A type of multicellular organism

• A category of viruses that infect eukaryotic cells.

What are viruses?

• Viruses are living organisms that can reproduce independently.

• Viruses are infectious agents that require a host cell to replicate and cannot be treated with antibiotics.

• Viruses are a type of bacteria that cause infections.

• Viruses are harmless particles that do not affect living cells.

What is the plasma membrane?

• A biological membrane that separates and protects the interior of the cell from the external environment.

• A rigid structure that provides support to the cell.

• A fluid-filled space within the cell that contains organelles.

• A network of proteins that facilitates cell communication.