unit 5 disease

Having students wash their hands frequently with soap and water will limit the spread of infectious disease by

• protecting harmless bacterial cells.

• changing viral and bacterial nucleic acids.

• releasing mutated cells from pores.

• removing viruses and bacteria from the skin.

which is the best way to help prevent the flu from becoming a pandemic

• A getting a vaccination

• taking antibiotics

• eating fruits and vegetable

• washing hands often

Which of these diseases is caused by a bacterium?

• rabies

• Influenza

• strep throat

• chicken pox

which characteristic of virus prevents them from being used as evidence to support cell theory

• viruses do not have nuclie

• viruses cannot move by themselves

• viruses replicate only inside host cells

• viruses can have glycoprotein on their surfaces

which aspect of modern life could most likely cause an epidemic to turn in to a pandemic

• vaccination

• transportation

• communication

• sanitation

infectious disease can be passed from organism to organism by all the following except

• insect bites

• contaminated food

• genetically from parents

• pathogens in the air

Which is the best explanation for why there is a continued need to develop new antibiotics to fight bacterial infections?

• Bacteria learn to avoid antibiotics that have been used for years.

• Drug companies want to sell as many drugs as they can to consumers.

• Bacteria are constantly mutating and developing resistance to antibiotics.

• Doctors need many drug options to treat many different patients with different characteristics.

Which pathogen, by being the smallest, is able to spread and infect the greatest number of hosts?

• bacteria

• fungi

• protists

• viruses

Millions of people living all over the world have cancer. Is cancer a pandemic?

• No, because cancer is not contagious.

• No, because cancer is not always fatal.

• Yes, because millions of people have cancer.

• Yes, because people all over the world have cancer.

A doctor treats a patient showing symptoms of fatigue and fever. An examination for which condition will MOST likely uncover the source of the illness?

• nutritional imbalance

• fractured bone

• abnormal cellular reproduction

• foreign bacteria