NSCI 351 Quiz 4

There is evidence that casual kissing or contact will result in infection of HIV.

false

List four factors that are responsible for emerging infectious disease.

1.Ecological changes, such as those due to agricultural or economic development or to anomalies in climate.2.Human demographic changes (urbanization) and behavior.3.Travel and commerce.4.Technology and industry(globalization)

The Centers for Disease Control and Prevention (CDC) reported a % rise in deaths from infectious diseases since 1980?

58%

It has been estimated by the United Nations that percent of the world's population will be living in cities by the year 2025 as current migration continues.

65%

______ remains the most destructive of the currently circulating influenza virus.

A(H3N2)

________ remained one of the leading causes of death among persons 25-44 years of age in the U.S. accounting for 19 percent of deaths from all causes in this age group.

AIDS

What is the more formal name for "mad cow disease" ?

Creutzfeldt-Jakob disease

What is meant by the term "El Niño"?

El Niño is the warming of the ocean's water and it starts towards the end of December. The event that causes El Nino is the evaporation of the water producing extensive rainfall in some areas and drought in others. Historically this event occurs twice within a ten year period, but lately the events have become more frequent in more recent years. Pg.280

What does the term "emerging infectious diseases" refer to?

Emerging infectious diseases refers to diseases with an infectious origin who's incidence has increased in human in the past two decades or threatens to increase in the future.

About one century ago, cholera disappeared in U.S., and has not reappeared since then.

False

Antibiotics are primarily effective against viruses, and vaccines are often effective against bacterial infections.

False

Type B influenza is quite different than A or C because it either produces very mild symptoms or none at all, and consequently has not been involved in any epidemics.

False

Chagas is the most important parasitic illness in _______ causing 40,000 deaths each year.

Latin America

The most common identified reason for the emergence of infectious diseases is _____.

agricultural and economic developmen

Which of the following viruses has the least potential for emergence in the near future?

ebola

The genetic information of HIV is encoded as DNA.

false

The most common route of transmission of HPS ("hantavirus pulmonary syndrome") is by the bites of the rodents.

false

Type B influenza is quite different than A or C because it either produces very mild symptoms or none at all, and consequently has not been involved in any epidemics.

true