Disease Pre-Test: 3.16

Which best explains how a virus affects other organisms?

• Viruses increase the survival of other organisms.

• Viruses immediately destroy all cells they come in contact with.

• Viruses live and reproduce in between the cells of other organisms.

• Viruses invade the cells of other organisms, using them to reproduce.

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

• cancer

• heart disease

• viral infection

• bacterial infection

How do viruses cause disease?

• by secreting toxins

• by producing excess waste

• by damaging or killing cells

• by competing with healthy cells for nutrients

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 cause athlete’s foot, ringworm, and thrush?

• protozoa

• bacteria

• viruses

• fungi

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.

How could a hospital best handle a case of a person infected with an antibiotic-resistant disease?

• isolate the person

• send the person home

• give the person more antibiotics

• move the person to intensive care

Which best explains why antibiotics are ineffective in treating viral infections?

• Viruses destroy the antibiotic.

• Antibiotics only kill living cells.

• Antibiotics increase the rate of viral growth.

• Viruses escape antibiotics by hiding in cells.

What parasite is most often responsible for the spread of Lyme disease?

• amoeba

• crane fly

• deer tick

• mosquito

Which best describes treatments for viral epidemics and viral pandemics?

• Both are easily treated using a combination of vaccination and antibiotics.

• Epidemics are treated with vaccinations, while pandemics are treated with antibiotics.

• Epidemics are treated with antibiotics, while pandemics are treated with vaccinations.

• Neither is easily treated because viral infections are easier to prevent than they are to treat.