Microbiology

Which was most likely classified as a pandemic?

• People in eleven states were sickened after eating beef contaminated with the E. Coli bacteria. The tainted beef was traced to a meat-packing 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 did not have them vaccinated for measles.
• During 1918 to 1919, an estimated 20-40% of the world's population suffered from the Spanish flu.

The bacteria that causes Bubonic Plague is transmitted to humans by fleas. Which term best describes the role of the fleas in transmitting Bubonic Plague?

• Decomposer
• Pathogen
• Parasite
• Vector

Which product would be most effective in preventing the spread of a cold virus?

• Hand soap
• Mouth Wash
• Cough Drops
• Antibiotic cream

Which situation would most favor the spread of infectious disease?

• Overcrowding
• Use of vaccines
• Small populations
• Sanitary conditions

Which best contrasts an epidemic and a pandemic?

• An epidemic is caused by bacteria, while a pandemic is caused by viruses.
• A pandemic is spread by humans, while an epidemic is spread by insects and rodents.
• A pandemic occurs in a small region, while an epidemic occurs in a much larger region.
• An epidemic affects a small population of humans, while a pandemic affects a large population of humans.

How is a human infected with influenza different from a tick spreading Rocky Mountain spotted fever?

• The human is a vector, and the tick is a carrier.
• The human is a carrier, and the tick is a vector.
• The human is a vector, and the tick is a parasite.
• There is no difference in how the diseases spread; both are vectors.

Which is the most effective defense against the chickenpox virus?

• Antibiotics
• Exercise
• Diet
• Vaccine

A doctor prescribed an antibiotic to treat an illness.Which type of illness did the doctor most likely treat?

• Cancer
• Viral Infection
• Bacterial Infection
• Heart Disease

Which is the most likely reason for a decline in antibiotic use?

• Antibiotics have severe health side effects.
• Companies find antibiotics too expensive to produce.
• Most health insurance does not cover treatment with antibiotics.
• Bacterial infections have become resistant to present antibiotic treatment.

Which is true regarding bacterial and viral infections?

• Bacterial infections are treated with antibiotics, while viral infections can be prevented through use of vaccines.
• Viral infections are treated with vaccines, while bacterial infections are prevented through use of antibiotics.
• Viral infections are treated with antibiotics, while bacterial infections are treated with vaccines.
• Both viral infections and bacterial infections are treated with vaccines.