Exam 15: Epidemiology and Nosocomial Infections

An opportunistic infection acquired from the individual's own microbiota is:

The total number of people infected within a population at a given time is the:

An infectious disease that occurs in a random and unpredictable manner is called:

In herd immunity,typically 90% of the population is while 10 % is to an infectious disease.

A site where microorganisms can persist and thus maintain the ability to cause infection:

Which of the following are not examples of portals of exit?

Which of the following organizations sets the standards for international disease control?

An infection in which the signs and symptoms are not recognized readily because they are too mild is called a/an:

An infectious disease in which transmission can occur during the incubation period of disease is considered to be:

Which of the following microorganisms is found in soil,a nonliving reservoir,and in animal fecal matter used as a fertilizer?

The study of factors and mechanisms of disease frequency and spread within a population is known as:

Bioterrorism:

Mortality rate is typically expressed as the _____.

An epidemiological study that tests a hypothesis is referred to as what type of study?

The worldwide spread of an infectious disease is called a/an:

Reservoirs of infections include:

What type of transmission is involved with curve "B"?

The relative number of individuals affected adversely by a particular disease during a set period of time within a given population.

Which of following is a true statement about outbreaks?

Which of the following is not helpful in achieving control of disease transmission?