The National Academies: What You Need To Know About Infectious Disease

The National Academies

What You Need To Know About Infectious Disease

What do you know about infectious disease?

Due in large measure to the toll of infectious diseases, the gap in life expectancy between the richest and poorest countries now exceeds how many years?

  • Sorry, that’s incorrect.

    The gap in life expectancy between the richest and poorest countries now exceeds 40 years.

  • Sorry, that’s incorrect.

    The gap in life expectancy between the richest and poorest countries now exceeds 40 years.

  • Correct!

    The gap in life expectancy between the richest and poorest countries now exceeds 40 years.

  • Sorry, that’s incorrect.

    The gap in life expectancy between the richest and poorest countries now exceeds 40 years.

True or False: Most infectious diseases are not impacted by changes in the environment.

  • Sorry, that’s incorrect.

    Most infectious diseases are impacted by changes in the environment. Malaria, dengue, and viral encephalitis infections, for example, are highly sensitive to environmental changes.

  • Correct!

    Most infectious diseases are impacted by changes in the environment. Malaria, dengue, and viral encephalitis infections, for example, are highly sensitive to environmental changes.

Each year, how many Americans become infected by what they eat?

  • Sorry, that’s incorrect.

    Each year about 76 million Americans—or one in four—become infected by what they eat. Approximately 325,000 are hospitalized. More than 5,000 (14 a day) die.

  • Sorry, that’s incorrect.

    Each year about 76 million Americans—or one in four—become infected by what they eat. Approximately 325,000 are hospitalized. More than 5,000 (14 a day) die.

  • Correct!

    Each year about 76 million Americans—or one in four—become infected by what they eat. Approximately 325,000 are hospitalized. More than 5,000 (14 a day) die.

If you have strep throat, which of the following forms of medication can be used to effectively treat the infection?

  • Sorry, that’s incorrect.

    Because strep throat is caused by a bacterium called Streptococcus pyogenes, it is treatable with antibiotics but not antivirals. Currently there is no vaccine available to prevent strep throat.

  • Correct!

    Because strep throat is caused by a bacterium called Streptococcus pyogenes, it is treatable with antibiotics but not antivirals. Currently there is no vaccine available to prevent strep throat.

  • Sorry, that’s incorrect.

    Because strep throat is caused by a bacterium called Streptococcus pyogenes, it is treatable with antibiotics but not antivirals. Currently there is no vaccine available to prevent strep throat.

  • Sorry, that’s incorrect.

    Because strep throat is caused by a bacterium called Streptococcus pyogenes, it is treatable with antibiotics but not antivirals. Currently there is no vaccine available to prevent strep throat.

Since the beginning of the 20th century, the number of people in the world has: 

  • 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.

  • 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.

  • 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.

Which of the following is a bacterial infection?

  • Sorry, that’s incorrect.

    Strep throat is a bacterial infection. Hookworm is caused by a parasite and chickenpox and influenza are both caused by viruses.

  • Sorry, that’s incorrect.

    Strep throat is a bacterial infection. Hookworm is caused by a parasite and chickenpox and influenza are both caused by viruses.

  • Correct!

    Strep throat is a bacterial infection. Hookworm is caused by a parasite and chickenpox and influenza are both caused by viruses.

  • Sorry, that’s incorrect.

    Strep throat is a bacterial infection. Hookworm is caused by a parasite and chickenpox and influenza are both caused by viruses.

Which deadly pathogen cannot be found naturally in the wild:

  • Sorry, that’s incorrect.

    Smallpox cannot be found naturally in the wild. Smallpox was officially declared eradicated from the globe in 1980, after an 11-year WHO vaccination campaign—the first human disease to be eliminated as a naturally spread contagion. Today, the virus remains only in laboratory stockpiles.

  • Sorry, that’s incorrect.

    Smallpox cannot be found naturally in the wild. Smallpox was officially declared eradicated from the globe in 1980, after an 11-year WHO vaccination campaign—the first human disease to be eliminated as a naturally spread contagion. Today, the virus remains only in laboratory stockpiles.

  • Correct!

    Smallpox cannot be found naturally in the wild. Smallpox was officially declared eradicated from the globe in 1980, after an 11-year WHO vaccination campaign—the first human disease to be eliminated as a naturally spread contagion. Today, the virus remains only in laboratory stockpiles.

Which of the following is NOT a type of infectious agent?

  • 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. 

  • 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. 

  • 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. 

  • 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. 

Which of the following diseases is NOT caused by a virus?

  • Sorry, that’s incorrect.

    Tuberculosis is caused by a bacterial infection. Chicken pox, the common cold, and influenza are all caused by viral infections.

  • Sorry, that’s incorrect.

    Tuberculosis is caused by a bacterial infection. Chicken pox, the common cold, and influenza are all caused by viral infections.

  • Sorry, that’s incorrect.

    Tuberculosis is caused by a bacterial infection. Chicken pox, the common cold, and influenza are all caused by viral infections.

  • Correct!

    Tuberculosis is caused by a bacterial infection. Chicken pox, the common cold, and influenza are all caused by viral infections.

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Disease Watchlist

Infectious Disease Defined

Mucous Membrane

A special membrane full of mucous glands which lines body passages and internal cavities involved with absorption and secretion of substances.

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