While many people are used to hearing proportions represented as a percentage, many population samples in epidemiology are often presented per ____. . Question 22 .0 out of 5 points

Reproductive health studies ____. Answer Selected Answer: normal reproductive processes and problems that can occur including infertility, birth defects, and low birth weight

Correct HIV, the virus that causes AIDS, is currently a ____.

. Question 3 .5 out of 5 points

Correct One of the important concepts from the Nuremberg Code is that of ____, which means that the subject understands the scope of the study and can make an informed decision to participate.

. Question 4 .5 out of 5 points

Correct The biological cause of a problem or disease is known as ____.

. Question 5 .5 out of 5 points

Correct The course of a disease, if left untreated, is referred to as ____. Answer Selected Answer: natural history Correct Answer: natural history

. Question 6 .5 out of 5 points

Correct Social epidemiology studies ____. . Question 7 .5 out of 5 points

Correct The first step in any epidemiological investigation is to ____. Answer

. Question 8 .5 out of 5 points

Correct Risk factors or exposures that we think might affect the outcome are known as ____. Answer Selected Answer: independent variables Correct Answer: independent variables

. Question 9 .5 out of 5 points

Correct While Austin Bradford Hill is well-known for his work in developing guidelines for establishing causality for studies of non-infectious diseases, his other contributions to the field of epidemiology and ____ are remarkable. . Question 10 .5 out of 5 points

Correct The time between infection and clinical disease is referred to as a(n) ____.

. Question 11 .5 out of 5 points

Correct The modern epidemiologic triangle includes groups of populations, causative factors, and ____.

. Question 12 .5 out of 5 points

Correct Identifying diseases prior to the clinical stage means that prevention efforts can begin immediately. Because the disease is already present, this is an example of ____ prevention.

. Question 13 .5 out of 5 points

Correct The aspect of consistency means that ____. . Question 14 .5 out of 5 points

Correct James Lind (1716-1794) observed the effect of time, place, weather, and diet on the spread of disease by ____.

. Question 15 .5 out of 5 points

Correct Prevalence equals ____. . Question 16 .0 out of 5 points

Incorrect A table in epidemiology that arranges numbers to allow the comparison of exposure and outcome is called a ____ table.

. Question 17 .5 out of 5 points

Correct The number of new cases of disease in a specified time (usually one year) divided by the population “at-risk” to develop the disease is known as ____.

. Question 18 .5 out of 5 points

Correct A person in the population or study group identified as having the particular disease, health disorder, or condition under investigation is known as a ____. . Question 19 .5 out of 5 points

Correct The representation of a numerator as a fraction of a denominator is known as a(n) ____.

. Question 20 .5 out of 5 points

Correct By definition, the disease or condition used to identify a case is determined by the ____.

. Question 21 .5 out of 5 points

Correct While many people are used to hearing proportions represented as a percentage, many population samples in epidemiology are often presented per ____.

. Question 22 .0 out of 5 points

Incorrect The number of existing cases of disease divided by the population is known as ____.

. Question 23 .5 out of 5 points

Correct How many new cases of HIV infection were reported in the United States for the year 2009?

. Question 24 .0 out of 5 points

Incorrect If a bacterium carries several resistance genes, it is called a ____.

. Question 25 .5 out of 5 points

Correct ____ is the transmission of a disease from mother to child during pregnancy or delivery.

. Question 26 .0 out of 5 points

Incorrect There is ____ in the overall crude death rate in the United States from the year 1900 until 1996.

. Question 27 .5 out of 5 points

Correct ____ is the transmission of a disease from person to person, and may be directly from one person to another, or indirectly from one person through an intermediate item to another person.

. Question 28 .5 out of 5 points

Correct The disease carrier of most concern is known as a(n) ____, which is an infected person who never gets clinically ill, but can transmit the etiologic agent to others. . Question 29 .5 out of 5 points

Correct One of the most important emerging problems with the control of infectious diseases has to do with ____.

. Question 30 .0 out of 5 points

Incorrect A(n) ____ is an infected individual capable of transmitting disease during and after clinical disease.

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