Assessment 1: Infectious Diseases

What is the definition of 'Pathogen'?

• A microorganism that causes disease (bacteria, virus, fungus, or parasite).

• A type of white blood cell that fights infection.

• A non-living particle that cannot reproduce.

• A chemical used to treat bacterial infections.

Which of the following is an example of a pathogen?

• Athlete's foot

• The influenza virus

• Tapeworms

• Strep throat

What is the definition of 'Bacteria'?

• Single-celled organisms that can be beneficial or harmful.

• A type of virus that infects plants.

• Multicellular organisms that perform photosynthesis.

• A type of fungus that decomposes organic matter.

Strep throat is caused by which type of microorganism?

• Streptococcus bacteria

• Influenza virus

• Candida fungus

• Plasmodium parasite

What is the definition of 'Virus'?

• A microscopic infectious agent that needs a host cell to reproduce.

• A type of beneficial bacteria found in the gut.

• A multicellular organism that can photosynthesize.

• A non-living particle that forms crystals in water.

COVID-19 is caused by which virus?

• coronavirus SARS-CoV-2

• Influenza A virus

• Ebola virus

• HIV

What is the definition of 'Fungus'?

• Organisms such as molds or yeasts that can cause infections.

• A type of virus that infects bacteria.

• A single-celled organism that performs photosynthesis.

• A protein that speeds up chemical reactions in the body.

Athlete's foot is an example of which type of infection?

• Fungal infection

• Bacterial infection

• Viral infection

• Parasitic infection

What is the definition of 'Parasite'?

• An organism that lives on or in a host and benefits at the host’s expense.

• A plant that produces its own food through photosynthesis.

• A microorganism that causes disease in its host.

• An organism that decomposes dead organic matter.

Tapeworms are examples of what type of organism?

• Intestinal parasites

• Photosynthetic plants

• Predatory birds

• Aquatic mammals