Study guides, Class notes & Summaries

An example of passive follow-up in cohort studies is: A. Telephone calls to study participants B. Use of follow-up mailings C. Use of written invitations to return to the study site D. Collection and maintenance of data by the federal governmentD. Collection and maintenance of data by the federal government A major advantage of cohort studies over case-control studies with respect to the role of a suspected factor in the etiology of a disease is that: A. It is easier to obtain controls...

True or False? Reliability refers to the ability of a measuring instrument to give consistent results on repeated trials, regardless of its accuracy.True A new screening test for Lyme disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Three hundred people are screened at a clinic during the first year the new test is implemented. Assume the true prevalence of Lyme disease among clinic attendees is 10%. ...

The epidemiologic and clinical descriptions of a disease are different. True In current thinking, the term epidemic is used only to describe outbreaks of infectious disease. False The Framingham Heart Study, begun in 1948, pioneered research into coronary heart disease risk factors. True Which of the following activities characterizes a clinical approach (as opposed to an epidermiologic approach)? Description of specific signs and symptoms in a patient. Socrates popularized the notion ...

What are all the internal organs of the abdomen called collectivelyViscera peritoneummembrane that lines the abdominal cavity (lines abdominal wall and covers visceral surface of most organs) The abdomen is divided into how many regions?4, RUQ, LUQ, LLQ, RLQ Midline organs of the internal abdomen anatomyaorta, uterus, bladder Organs in right upper quadrantliver, gallbladder, duodenum, head of pancreas, right kidney and adrenal, hepatic flexure of colon, part of ascending and transverse c...

Quiz: Ratios, Proportions, and Rates Contains 25 multiple-choice and true/false questions. Score for this quiz: 75 out of 75 Question 1 3 / 3 pts The major disadvantage of crude rates is that: they may not allow for comparison of populations that differ in size. they do not permit comparison of populations that vary in composition. they are difficult to calculate from available data sources. all of the above Question 2 3 / 3 pts True or False? When the duration of a disease becom...

Correct answers are hidden. Score for this quiz: 71.25 out of 75 Submitted Feb 17 at 10:37am This attempt took 20 minutes. Question 1 3.75 / 3.75 pts True or False? The term attributable risk is defined as the ratio of the incidence of a disease among exposed individuals to the incidence among non-exposed individuals. True False Question 2 3.75 / 3.75 pts The death rate per 100,000 for lung cancer is 7 among non-smokers and 71 among smokers. The death rate per 100,000 for coronary ...

Question 1 3 / 3 pts As an epidemiologist you are going to investigate the effect of a drug suspected of causing malformations in newborn infants when the drug in question is taken by pregnant women during the course of their pregnancies. As your sample you will use the next 200 single births occurring in a given hospital. For each birth a medication history will be taken from the new mother and from her doctor; in addition, you will review medical records to verify use of the drug. [N.B.:...

Cyclic variations in the occurrence of pneumonia and influenza mortality may reflect: seasonal variations in cases of influenza. the fact that influenza is a disappearing disorder. long-term changes in mortality trends. both A and B Question 2 3 / 3 pts True or False? One of William Farr's contributions to public health and epidemiology included the development of a more sophisticated system for codifying medical conditions. True False Question 3 3 / 3 pts Which of the following ...

HLTH-503 FINAL EXAM QUESTIONS AND CORRECT ANSWERS DUE JANUARY(A+GRADED

HLTH 503 Final Exam with Answers True or False? Molecular epidemiology applies the techniques of molecular biology to epidemiologic studies. Which of the following activities characterizes an epidemiologic approach (as opposed to a clinical approach)? True or False? Most of the time, epidemiologic researchers confront a problem that has a clear etiologic basis. True or False? John Cassel argued that the agent, host, and environment triad provided an adequate explanation for chronic disease...