Which of the following answers the who, when, and where questions of epidemiology? correct answer: Distribution He was the first to quantify patterns of birth, death and disease by use of demographics correct answer: John Graunt Any departure or deviation from a state of physiological well being (sickness, illness, disability) is called morbidity correct answer: True He performed one of the first experimental studies on the treatment for scury correct answer: Lind how many core o...

Sensitivity and specificity of a screening test refer to its: correct answer: validity True or False? The natural history of disease refers to the time course of disease from its beginning to its final clinical endpoints correct answer: true True or False? Reliability is synonymous with accuracy, whereas validity is synonymous with precision. correct answer: false True or False? Tertiary prevention is directed toward the later stages of pathogenesis and involves programs for restorin...

It measures the assocation between an exposure and an outcome. correct answer: Odds ratio What does the likelihood ratio measure? correct answer: The performance of a diagnostic test. It expresses the ratio of 2 probabilities. Probability of a given test result in a person with a disease/probability of the same result in a person without the disease. It expresses how many more or less times likely a test result is found in a person with a disease compared with a person without a disease....

A disease transmitted through a mosquito bite is an example of ______ transmission. Active Passive Direct Indirect correct answer: Indirect In an outbreak investigation, which of the following measures might be calculated? Attack rate Case-fatality rate Relative risk All of the above correct answer: All of the above Concerning a host during an epidemic, which is NOT true? The infectious agent grows inside the host The host need not be human The host is always infected ...

Any factor that brings about change in a health condition or other defined characteristic is a(an) correct answer: determinant Activities, usually initiated during the early phases of pathogenesis, that are intended to limit the progression of disease correct answer: secondary prevention The application of epidemiology that examines causal hypotheses regarding the association between exposures and health conditions is known as correct answer: nalytic epidemiology A type of study of t...

Which of these doctors was most likely to eat croissants, fresh from the patisserie, in his life time? correct answer: Ignaz Semmelweiss Epidemiology is the study what? correct answer: Health on a population level and therefore must be applied with that caveat to individuals. Biostatistics is to epidemiology what correct answer: A microscope is to a microbiologist. Which of the following is NOT actually an epidemiological study but would still be important to an epidemiologist? corre...

Morbidity correct answer: Rates of disease Mortality correct answer: Rates of death Natality correct answer: Rates of birth 3 Main Perspectives in Understanding and Describing Disease correct answer: Clinical, Laboratory, Epidemiology Laboratory refers to correct answer: Diagnostic tests Epidemiology is the ____ component of population health correct answer: Diagnostic Health is not... correct answer: merely the absence of disease Public health is about correct answer...

epidemiology correct answer: is the study of disease in populations and of factors which determine the occurrence of disease in statistics, a ? is the type of variable which is affected by an explanatory variable correct answer: response variable a ? is the variable being considered in the investigation correct answer: study within a casual pie model, the ? cause must be present to produce an effect correct answer: necessary a ? cause might include a predisposing factor correct a...

The purpose of a spot map is to . correct answer: identify the geographic distribution of illness in an area C. pneumoniae has been found to be one contributor to heart disease. This is an example of correct answer: determinants of disease In recent history (the last 100 years), epidemiology was responsible for the most unprecedented medical advance in history. This advantage was: ___________________ correct answer: The eradication of small pox Which of following is NOT an example of...

Epidemiology Case 3 SCREENING FOR DISEASES Assignment Overview SCREENING FOR DISEASES Infection with the human immunodeficiency virus (HIV) is routinely diagnosed by detecting the presence of specific antibodies in the patient's serum. Although the presence of the virus itself can be now be detected (i.e., polymerase chain reaction [PCR] to measure plasma HIV RNA, or "viral load"), these tests remain expensive and require laboratory techniques that are not routinely available. The diagnosi...