Agents
An event in which a disease spreads to many regions of the world is called
A. an epidemic
B. an outbreak
C. a pandemic
D. a pathogen
C. a pandemic
Which is the best way to help prevent the flu
from becoming pandemic?
A. getting a vaccination
B. taking antibiotics
C. eating fruits and vegetables
D. washing hands often
A. getting a vaccination
Malaria is a common disease in many
countries. What is the cause of this disease?
A. a virus
B. a bacterium
C. a fungus
D. a parasite
D. a parasite
The bacteria that causes bubonic plague is transmitted to
humans by fleas. Which term best describes the role of
fleas in transmitting bubonic plague?
A. Decomposer
B. Parasite
C. Pathogen
D. Vector
D. Vector
Which best explains why a person can get the flu multiple
times?
A. There are many forms of viruses that can cause the flu.
B. Bacteria can be introduced into the body multiple times.
C. There are many forms of bacteria that can cause the
flu.
D. Viruses must be introduced into the body in the same
location.
A. There are many forms of viruses that can cause the flu.
A mosquito that transmits malaria from one person to another is
A. bacterium
B. a parasite
C. an infection
D. a vector
D. a vector
Which of these diseases can be treated with
antibiotics?
A. lyme disease
B. the common cold
C. influenza
D. AIDS
A. lyme disease
How can the rate of an infectious disease
be drastically reduced?
A. by taking medication daily
B. by preventing transmission between people
C. by wearing clean clothing daily
D. by performing dental hygiene three times each day
B. by preventing transmission between people
A city has an outbreak of a disease that affects an unusually
large portion of its population at the same time. Which
term BEST describes the outbreak?
A. plague
B. pandemic
C. epidemic
D. infection
C. epidemic
Which event most likely led to the change in trend
between 1921 and 1922?
A. decreased handwashing
B. increased use of public water wells
C. development of public sanitary sewer system
D. isolation of people with no visible symptoms of the
disease
C. development of public sanitary sewer system
A vaccine is made from
A. proteins produced by the body’s immune system
B. a weakened or dead form of a pathogen
C. body cells that are immune to a disease
D. an antibiotic used to treat an infectious disease
B. a weakened or dead form of a pathogen
Which type of pathogen causes athlete’s
foot?
A. bacterium
B. insect
C. fungus
D. virus
C. fungus
Karl went to the doctor complaining of a sore throat. The
doctor performed a throat culture and determined that
antibiotics were not necessary. The doctor told her to drink
tea, take ibuprofen, and rest. Which type of microorganism
most likely caused Karl’s sore throat?
A. bacteria
B. fungi
C. parasite
D. virus
D. virus
Which best explains why influenza H1N1 was declared
a pandemic in 2009?
A. More cases than expected were reported.
B. It was contained in one geographical region.
C. It was a highly contagious form of the virus.
D. More than 206 countries reported cases of H1N1.
D. More than 206 countries reported cases of H1N1.
Although antibiotics are useful in the control of bacteria,
which best describes the disadvantage from their overuse?
A. The overuse of antibiotics could lead to pollution of
water resources.
B. The overuse of antibiotics could lead to resistant
strains of bacteria.
C. The overuse of antibiotics could lead to the spread of
mutated diseases.
D. The overuse of antibiotics could lead to weakened
immune systems in humans.
B. The overuse of antibiotics could lead to resistant strains of bacteria.
Why do doctors suggest that people get a flu vaccine each year?
A. Viruses replicate more rapidly over time.
B. Viruses can mutate from year to year.
C. Vaccines are absorbed by the body after a year.
D. Vaccines get stronger over time.
B. Viruses can mutate from year to year.
Which of the following reproduces by injecting
its material into a host cell?
A. parasite
B. virus
C. bacterium
D. microorganisms
B. a virus
How can a country prevent a viral epidemic from becoming
a pandemic?
A. Reduce the use of vaccinations
B. increase the use of antibiotics
C. Reduce travel out of infected areas.
D. Increase the transport of goods from infected area
C. Reduce travel out of infected areas
Which disease is spread by contact with an infected
person?
A. lockjaw
B. influenza
C. food poisoning
D. lyme disease
B. influenza
Which disease outbreak will be more difficult to control?
A. Pandemic, because the diseases are always fatal.
B. Epidemic, because the diseases involved are usually
more difficult to treat.
C. Epidemic, because the vaccines are more expensive
and harder to make, and treatments are often ineffective.
D. Pandemic, because infectious disease will continue to
spread through populations across a large region, or
even worldwide.
D. Pandemic, because infectious disease will continue to spread through populations across a large region, or even worldwide.
Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick?
A. contact with environmental sources
B. contact with an infected animal
C. contact with a contaminated object
D. contact with an infected person
D. contact with an infected person
Strep throat is caused from
A. a virus
B. a bacterium
C. a fungus
D. food poisoning
B. a bacterium
Which best compares bacteria and viruses?
A. Bacteria are smaller than viruses.
B. Bacteria cause disease but viruses do not.
C. Bacteria are living organisms, but viruses
are not
D. Bacteria have genetic material, viruses do
not
C. Bacteria are living organisms, but viruses are not
Which would be the least effective in treating an illness
caused by a virus?
A. drinking plenty of fluids
B. widespread vaccination
C. getting extra rest and sleep
D. daily treatment with antibiotics
D. daily treatment with antibiotics
Which best explains the significance of an infectious
disease?
A. It can be passed from one person to another.
B. It cannot be passed from one person to another.
C. It will respond effectively to antibiotics in 7 days.
D. It will not respond effectively to antibiotics in 7 days.
A. It can be passed from one person to another.