What You Need To Know About Infectious Disease
What do you know about infectious disease?
Of the more than 1,700 known viruses, bacteria, and other pathogens that infect people, how many have come from animals?
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Sorry, that’s incorrect.
More than half of the known pathogens that infect people have come from animals. Of the 37 new infectious diseases identified in just the past 30 years, two-thirds sprang from animals.
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Sorry, that’s incorrect.
More than half of the known pathogens that infect people have come from animals. Of the 37 new infectious diseases identified in just the past 30 years, two-thirds sprang from animals.
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Correct!
More than half of the known pathogens that infect people have come from animals. Of the 37 new infectious diseases identified in just the past 30 years, two-thirds sprang from animals.
Which of the following global events does NOT have an impact on the spread of infectious disease:
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Sorry, that’s incorrect.
The expanded use of cell phones does not have an impact on the spread of infectious disease. Climate change, ecosystem disturbances, war, poverty, migration, and global trade all contribute to the spread of infectious disease.
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Correct!
The expanded use of cell phones does not have an impact on the spread of infectious disease. Climate change, ecosystem disturbances, war, poverty, migration, and global trade all contribute to the spread of infectious disease.
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Sorry, that’s incorrect.
The expanded use of cell phones does not have an impact on the spread of infectious disease. Climate change, ecosystem disturbances, war, poverty, migration, and global trade all contribute to the spread of infectious disease.
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Sorry, that’s incorrect.
The expanded use of cell phones does not have an impact on the spread of infectious disease. Climate change, ecosystem disturbances, war, poverty, migration, and global trade all contribute to the spread of infectious disease.
About how much of its fish and seafood does the United States import?
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Sorry, that’s incorrect.
The United States imports more than 80 percent of its fish and seafood. About 20 percent of its fresh vegetables and 50 percent of its fresh fruits are imported. As wealthy nations demand such foods year-round, the increasing reliance on producers abroad means that food may be contaminated during harvesting, storage, processing, and transport—long before it reaches overseas markets.
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Sorry, that’s incorrect.
The United States imports more than 80 percent of its fish and seafood. About 20 percent of its fresh vegetables and 50 percent of its fresh fruits are imported. As wealthy nations demand such foods year-round, the increasing reliance on producers abroad means that food may be contaminated during harvesting, storage, processing, and transport—long before it reaches overseas markets.
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Correct!
The United States imports more than 80 percent of its fish and seafood. About 20 percent of its fresh vegetables and 50 percent of its fresh fruits are imported. As wealthy nations demand such foods year-round, the increasing reliance on producers abroad means that food may be contaminated during harvesting, storage, processing, and transport—long before it reaches overseas markets.
True or False: Major pharmaceutical companies have great interest in dedicating resources to the antibiotics market because these short-course drugs are more profitable than drugs that treat chronic conditions and lifestyle ailments, such as high blood pressure or high cholesterol.
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Sorry, that’s incorrect.
Drugs that treat chronic conditions and lifestyle ailments are more profitable. Modern medicine needs new kinds of antibiotics to treat drug-resistant infections, but antibiotic research and development are expensive, risky, and time-consuming.
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Correct!
Drugs that treat chronic conditions and lifestyle ailments are more profitable. Modern medicine needs new kinds of antibiotics to treat drug-resistant infections, but antibiotic research and development are expensive, risky, and time-consuming.
Since the beginning of the 20th century, the number of people in the world has:
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Sorry, that’s incorrect.
Since the beginning of the 20th century the number of people in the world has more than quadrupled—from 1.6 billion to nearly 7 billion—and world population is expected to rise to well over 9 billion by 2050.
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Sorry, that’s incorrect.
Since the beginning of the 20th century the number of people in the world has more than quadrupled—from 1.6 billion to nearly 7 billion—and world population is expected to rise to well over 9 billion by 2050.
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Correct!
Since the beginning of the 20th century the number of people in the world has more than quadrupled—from 1.6 billion to nearly 7 billion—and world population is expected to rise to well over 9 billion by 2050.
True or False: Infection with a pathogen (a disease-causing microbe) does not necessarily lead to disease.
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Correct!
Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease follows when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.
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Sorry, that’s incorrect.
Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease follows when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.
True or False: Growing evidence suggests that infections are behind many chronic diseases once thought to be caused by genetic, environmental, or lifestyle factors.
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Correct!Growing evidence does suggest that infections are behind many chronic diseases once thought to be caused by genetic, environmental, or lifestyle factors, including peptic ulcers and cervical, liver, and gastric cancers.
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Sorry, that’s incorrect.
Growing evidence does suggest that infections are behind many chronic diseases once thought to be caused by genetic, environmental, or lifestyle factors, including peptic ulcers and cervical, liver, and gastric cancers.
Which are larger?
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Correct!
Bacteria are 10 to 100 times larger than viruses.
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Sorry, that’s incorrect.
Bacteria are 10 to 100 times larger than viruses.
Which of the following is NOT a type of infectious agent?
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Sorry, that’s incorrect.
White blood cells are not a type of infectious agent. Part of the immune system, white blood cells fight infection rather than cause it.
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Sorry, that’s incorrect.
White blood cells are not a type of infectious agent. Part of the immune system, white blood cells fight infection rather than cause it.
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Correct!
White blood cells are not a type of infectious agent. Part of the immune system, white blood cells fight infection rather than cause it.
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Sorry, that’s incorrect.
White blood cells are not a type of infectious agent. Part of the immune system, white blood cells fight infection rather than cause it.
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