Regis nu 713 - Study guides, Class notes & Summaries

REGIS NU-713 FINAL EXAM 1. Kaplan-Meier Method formula the simplest way of comput- ing the survival over time in spite of all these difficulties associated with subjects or situations. For each time in- terval, survival probability is calculated as the number of subjects surviving divided by the number of patients at risk 2. Information bias The means for obtaining in- formation about subjects is inadequate, and outcomes are incorrec

Regis NU-713 Midterm Exam GRADED A QUESTIONS AND ANSWERSA colon cancer screening study is being conducted in Burkeshire, England. Individuals 50 to 75 years old will be screened with the Hemoccult test. In this test, a stool sample is tested for the presence of blood. The Hemoccult test has a sensitivity of 70% and a specificity of 75%. If Burkeshire has a prevalence of 12/1,000 for colon cancer, what is the computed positive predictive value of the Hemoccult test? - CORRECT ANSWER 3.3% P...

Regis NU-713 Midterm Exam GRADED A QUESTIONS AND ANSWERS A colon cancer screening study is being conducted in Burkeshire, England. Individuals 50 to 75 years old will be screened with the Hemoccult test. In this test, a stool sample is tested for the presence of blood. The Hemoccult test has a sensitivity of 70% and a specificity of 75%. If Burkeshire has a prevalence of 12/1,000 for colon cancer, what is the computed positive predictive value of the Hemoccult test? - CORRECT ANSWER 3.3% ...

REGIS NU-713 QUIZ 7 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE dose-response curve Plot of data showing effects of various doses of a toxic agent on a group of test organisms. Different types of research designs used in epidemiological research individual data, randomized design, non-randomized design, before - after design, & formative program evaluation Koch's Postulates In 1890 the German physician and bacteriologist Robert Koch set out his celebrated...

REGIS NU-713 EPIDEMIOLOGY QUIZ 1 QUESTIONS WITH COMPLETE VERIFIED ANSWERS LATEST UPDATE Epidemiology the study of how disease is distributed in populations and the factors that influence or determine this distribution Objectives of Epidemiology 1. Identify the etiology or cause of a disease and its relevant risk factors. 2. Determine the extent of disease found within a community. 3. Study the natural history and prognosis of the disease. 4. Elevate both existing and newly developed preve...

REGIS NU-713 QUIZ 5 (EPIDEMIOLOGY CHAPTERS 11 & 12) EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Of 2,872 persons who had received radiation treatment in childhood because of an enlarged thymus, cancer of the thyroid developed in 24 and a benign thyroid tumor developed in 52. A comparison group consisted of 5,055 children who had received no such treatment (brothers and sisters of the children who had received radiation treatment). During the follow-up period, none of the compa...

Kaplan-Meier Method formula -------- Correct Answer --------- the simplest way of computing the survival over time in spite of all these difficulties associated with subjects or situations. For each time interval, survival probability is calculated as the number of subjects surviving divided by the number of patients at risk Information bias -------- Correct Answer --------- The means for obtaining information about subjects is inadequate, and outcomes are incorrect Surveillance bias -----...

Regis NU-713 Midterm Exam Questions and Correct Answers

REGIS NU-713 MIDTERM EXAM GRADED A QUESTIONS AND ANSWERS LATEST UPDAT A colon cancer screening study is being conducted in Burkeshire, England. Individuals 50 to 75 years old will be screened with the Hemoccult test. In this test, a stool sample is tested for the presence of blood. The Hemoccult test has a sensitivity of 70% and a specificity of 75%. If Burkeshire has a prevalence of 12/1,000 for colon cancer, what is the computed positive predictive value of the Hemoccult test? - CORREC...