Review (8L1.1, 8L.1.2,& 8L2.1) 6

Which is a distinction between an epidemic and a pandemic?

• the symptoms of the disease

• the geographical area affected

• the species of organisms infected

• the season in which the disease spreads

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

• getting a vaccination

• taking antibiotics

• eating fruits and vegetables

• washing hands often

How can the rate of an infectious disease be drastically reduced?

• by taking medication daily

• by preventing transmission between people

• by wearing clean clothing daily

• by performing dental hygiene three times each day

Which characteristic is more common during a pandemic than during an epidemic?

• It is caused by a virus.

• It causes a large number of deaths.

• . It infects a large number of people.

• Its effects spread across a whole continent.

A scientist is working to prevent a viral epidemic in a particular region. Which would most likely help in determining the original host of the disease?

• Extract DNA from an individual with the disease.

• Test the blood of individuals infected with the disease.

• Test the blood of various animals in the region for the disease.

• Prescribe antibiotics to all humans in the region to see which individuals are affected.

A small community had a recent outbreak of measles among local unvaccinated families. Which best describes this event?

• An epidemic because it happened within the last five years.

• An epidemic because it occurred in a single geographic area.

• A pandemic because it occurred in a single geographic area.

• A pandemic because several families were affected by the disease.

Which is true about the world-wide H1N1 flu outbreak of 2009?

• It was caused by fungi.

• It was caused by bacteria.

• It spread to several continents.

• It only affected people in the United States.

Which was most likely classified as a pandemic?

• People in 11 states were sickened after eating beef contaminated with the E. Coli bacteria. The tainted beef was traced to a meatpacking plant.

• Two camps, in close proximity to each other, experienced an outbreak of cholera. The infection was traced to contaminated drinking water.

• A measles outbreak in Indiana was attributed to children whose parents refused to have them vaccinated for measles.

• During 1918–1919, 20–40% of the world’s population suffered from the Spanish flu.

Which would best prevent the pandemic spread of a flu virus?

• Decrease vaccinations.

• Isolate sick individuals.

• Restrict travel to other countries.

• Wash hands frequently with soap and water.

Which would have the greatest impact on the spread of a pandemic?

• wearing face masks

• restricting world travel

• eating only vegetables

• using antibacterial soaps