Causes of Diseases

The overuse of antibiotics has most likely resulted in the development of resistant strains of which organisms?

• bacteria

• fungi

• protozoa

• viruses

Which is an example of a parasitic disease?

• AIDS

• flu

• malaria

• strep throat

Which practice contributes to the antibiotic resistance of bacteria?

• failing to cover open cuts

• taking only part of a prescribed antibiotic

• completing an entire antibiotic prescription

• storing medicine and antibiotic products improperly

Which best explains how a nonliving virus is able to reproduce?

• a virus becomes living when in contact with a host organism

• a virus infects a host organism by injecting its DNA into the cells of the host

• A virus infects a host organism by pulling the DNA from the cells of the host organism into itself.

• a virus becomes living when a sufficient number of viruses invade a host and causes an infection

Which best explains why more than 300 million people in Asia are infected with malaria each year?

• There is no way to protect people against the disease.

• The parasites that cause malaria lack the ability to resist antibiotics.

• The house fly contaminates food with infectious bacteria that cause malaria.

• Mosquitos are becoming resistant to insecticides and continue to carry the disease.

Which microbe causes influenza?

• bacterium

• fungus

• parasite

• virus

Which best compares bacteria and viruses?

• Bacteria are smaller than viruses.

• Bacteria cause disease, but viruses do not.

• Bacteria are living organisms, but viruses are not.

• Bacteria have genetic material, but viruses do not.

Which cause athlete’s foot, ringworm, and thrush?

• protozoa

• bacteria

• viruses

• fungi

Which best explains why doctors advise their patients to be vaccinated against the flu each year?

• The flu vaccine becomes more effective over time.

• The flu vaccine is developed to last for only two months.

• The flu vaccine given each year combines the flu vaccines given over the past five years

• The flu vaccine is developed based on the virus identified as causing the particular strain of flu that year.

Which disease can be treated by doses of medicine made from the fungus, Penicillum?

• asthma

• diabetes

• chicken pox

• strep throat