Unit 4: Diseases Review: Question Preview (ID: 21908)

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What type of pathogen causes sore itchy feet?
a) bacteria
b) fungus
c) protozoan
d) virus

Why can a person catch a cold many times?
a) Changes in weather conditions can cause a person to get a cold.
b) People do not develop an immunity to viruses and can be infected by the same virus again and again.
c) There are many kinds of viruses that cause colds and the person may be infected by different viruses each time.

Which best compares a virus to a bacterium?
a) A virus is a large, living particle, and a bacterium is a large, living cell
b) A virus is a tiny, nonliving particle, and a bacterium is a large, living cell.
c) A virus is a large, nonliving particle, and a bacterium is the same size but living.

Which would be least effective in treating an illness caused by a virus?
a) drinking plenty of fluids
b) widespread vaccinations
c) getting extra rest and sleep
d) daily treatment with antibiotics

Which pathogen is correctly matched to the disease it causes?
a) Cholera - fungus
b) rabies - bacteria
c) malaria - protozoan
d) chicken pox - protozoan

Which best explains how a virus affects other organisms?
a) Viruses increase the survival of other organisms.
b) Viruses immediately destroy all cells they come in contact with.
c) Viruses live and reproduce in between the cells of other organisms.
d) Viruses invade the cells of other organisms, using them to reproduce.

Which is the most likely reason for a decline in antibiotic use?
a) Antibiotics have severe health side effects.
b) Companies find antibiotics too expensive to produce.
c) Most health insurance does not cover treatment with antibiotics.
d) Bacterial infections have become resistant to present antibiotic treatment.

Which statement correctly identifies the reason why viruses are not considered alive?
a) They have DNA.
b) They have a protein coat.
c) They are really small.
d) They are not made of cells.

Infectious diseases can be passed from organism to organism by all of the following except
a) insect bites.
b) contaminated food.
c) genetically from parents.
d) pathogens in the air.

Which of the following would be the reason for using hand santizer?
a) conserve water resources
b) control noninfectious diseases
c) promote safe use of technology
d) limit diseases spread by contact

A disease that spreads worldwide is called a(n)
a) isolated cases
b) outbreak
c) epidemic
d) pandemic

An outbreak of a disease in a city would be called a(n)
a) plague
b) epidemic
c) pandemic
d) infection

Which of the following is the vector for the spread of Malaria?
a) ticks
b) mosquitoes
c) rats
d) fleas

Which has had the greatest impact on preventing epidemics in the twenty-first century?
a) immunizations
b) good hygiene
c) new medicines

Which of the following is the vector for the spread of Lyme Disease?
a) ticks
b) mosquitoes
c) fleas
d) rats

How are quarantines used to slow the spread of an epidemic?
a) Quarantines prevent individuals from eating food that is potentially contaminated.
b) Quarantines allow enough time for antibiotics to take effect in infected individuals.
c) Quarantines keep infected individuals separate so they cannot pass the disease to others.
d) Quarantines keep people inside their homes so that family members can provide care for each other.

What is a carrier?
a) A carrier can unknowingly spread the disease to others.
b) A person is more difficult to cure if he or she is a carrier.
c) A person is more likely to die once he or she becomes a carrier.
d) A carrier can use up all the available medicine in a local area.

What is another name for an infectious or contagious disease?
a) genetic disease
b) communicable disease
c) dirty disease
d) antibody disease

Which situation would most favor the spread of infectious disease?
a) overcrowding
b) use of vaccines
c) small population
d) sanitary conditions

If you get vaccinated against chicken pox when you are young, you are not likely to get the disease. One reason for this is that
a) the virus that causes chicken pox cannot enter your body after vaccination
b) the medicine in the vaccination is stored in your body
c) the chicken pox virus is not harmful to you when you are older
d) the vaccination causes your body to form antibodies that recognize the chicken pox virus

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