pathogen & disease

Organisms that cause diseases are called?

• Pathogens

• Hosts

• Phagocytes

• Toxins

Which requires a host cell in order to reproduce?

• Algae

• Bacterium

• Protist

• Virus

Which type of pathogen is responsible for causing the flu, chicken pox, and yellow fever?

• viruses

• parasites

• fungi

• bacteria

Which pathogen is treated with antibiotics?

• virus

• bacteria

• parasite

• fungi

What is the smallest pathogen?

• bacteria

• virus

• fungus

• protozoa

Bacteria is bigger than virus.

• True

• False

Ignaz Semmelweis is known for

• He discovered that hand washing reduced germs.

• He discovered influenza virus

• He discovered that bacteria can produce toxins

Name the group of cells in your blood that is involved in destroying pathogens.

• Red blood cells

• White blood cells

• Plasma

What is on the surface of pathogens that allows white blood cells to detect and recognise them?

• antibodies

• antigens

• antitoxin

What are produced by white blood cells to neutralise poisons released by pathogens?

• antigens

• antitoxins

• antibodies