NR 503 DeVry Complete Week Assignments Paper NR 503 DeVry Complete Week Assignments Paper ? NR 503 DeVry Week 1 Key Concepts Worksheet Latest Details: Purpose The purpose of this assignment is to identify key concepts in epidemiology that will assist the student in understanding the purpose of epidemiology as it relates to clinical practice, surveillance and prevention of disease, and healthcare research. You will work on building a foundation of definitions and an understanding of how they apply to monitoring disease in populations. Course Outcomes Through this assignment, the student will demonstrate the ability to: (CO#1) Define key terms in epidemiology, community health, and population-based research. Due Date: Sunday 11:59 p.m. (MT) at the end of Week 1 Total Points Possible: 50 Requirements: 1. Complete the Epidemiological Key Concepts Worksheet. 2. For each question identify the correct answer and cite the source used to answer the questions 3. Submit the worksheet to the DropBox by 11:59 p.m. MT Sunday of Week 1 CLICK HERE TO ORDER YOUR NR 503 DeVry Complete Week Assignments Paper Course Information Worksheet Prior to completing this worksheet, review the Week 1 lecture and reading assignments (Chapters 1-4 of your course text). Provide a complete answer to each question. Each question is worth 5 points. Please cite the source of each answer below the answer as in the example provided below. EXAMPLE:?Question: Modes of indirect common vehicle disease transmission include single exposure, multiple exposures, and continuous exposure. Source: Gordis, L. (2014). Epidemiology (5thed.). Philadelphia, PA: Elsevier. Chapter 2, p. 20. 1. Define Primary, Secondary, and Tertiary prevention. 2. True or False: Prevention and treatment of a single specific disease are exclusive activities that do not occur together when providing care to a patient. 3. The ________________ Concept is important because in counting incidence and prevalence of disease it is not sufficient to count only clinically apparent cases, but those who are asymptomatic or exposed without infection. 4. Please define the following: Clinical Disease ? Preclinical Disease ? Subclinical Disease ? Persistent (Chronic) Disease ? Latent Disease ? 5. Match the following terms with their definition: ____ Pandemic A. Habitual presence of a disease within a geographic area. ____ Endemic B. Occurrence of a disease in a community/geographic area in excess of normal expectancy. ____ Common-Vehicle Exposure C. Resistance of a group of people to a disease because a large portion of the population is immune. ____ Epidemic D. An excessive occurrence of disease present globally. ____ Herd Immunity E. When a group of people are exposed to a substance or organism that causes common illness. 6. What is the one medical advance that is associated with the Black Death in Europe in the late 1300s? 7. This is a two part question: A. Define, through a fractional representation, what attack rate is. B. After a large wedding reception several people develop symptoms of acute gastroenteritis. It appeared to be tied to eating a specific seafood salad sered. Using the following 2 by 2 table, numerically represent the attack rate for wedding attendees who ate the seafood salad Ate Seafood Salad Did not eat Seafood Salad Gastroenteritis symptoms 72 15 No gastroenteritis symptoms 24 135 8. Define the following: active surveillance, passive surveillance, incidence rate, and prevalence rate. 9. There are two parts to this question: A. What are two reasons that the prevalence rate of a disease I a community could decrease? B. What are age-adjusted death rates used for? 10. Name and define at least two measures of mortality as fractional representations. NR 503 DeVry Week 3 Relative Risk Calculation Worksheet Latest Purpose The purpose of this assignment is to help you to begin to understand and apply the important counts, ratios, and statistics presented in healthcare and epidemiological research. Remember to use the list of formulas presented prior to the problems and to carefully consider the purpose of each calculation and how it is interpreted. Course Outcomes Through this assignment, the student will demonstrate the ability to: (CO #3) Identify appropriate outcome measures and study designs applicable to epidemiological subfields such as infectious disease, chronic disease, environmental exposures, reproductive health, and genetics. (CO #4) Apply commonly used measures of health risk. (CO #6) Identify important sources of epidemiological data. Due Date: Sunday 11:59 p.m. (MT) at the end of Week 3 Total Points Possible: 50 Requirements: 1. Complete the Risk Calculation Worksheet located in Course Resources. 2. For each question identify the correct answer. 3. Submit the worksheet to the DropBox by 11:59 p.m. MT Sunday of Week 3 Epidemiological Formulas and Statistics Incidence (exposed) Definition Incidence of new cases of disease in persons who were exposed Formula number (exposed with disease)/Total number of exposed Incidence (unexposed) Definition Incidence of new cases of disease in persons who were not exposed Formula number (unexposed with disease)/Total number of unexposed Incidence of Disease Definition Measure of risk. Total number in a population with a disease divided by the total number of the population. Formula Number with the disease/ Total population number Relative Risk Definition Risk of disease in one group versus another. Risk of developing a disease after exposure. If this number is one, it means there is no risk. R (exposed)/Risk (unexposed) Formula (# exposed with disease (divided by)/total of all exposed) (# of non-exposed with disease/(divided by)total of all non-exposed) Odds Ratio Definition A measure of exposure and disease outcome commonly used in case control studies. Formula R (exposed)/ R (unexposed) 1- R (exposed) 1-R (unexposed) Prevalence Definition The number of cases of a disease in a given time regardless of when it began. (new and old cases) Formula (Persons with the disease/ Total population) X 1000 Attributable Risk Definition The difference in disease in those exposed and unexposed and is calculated from prospective data. Directly attributed to exposure (if exposure gone, disease would be gone) Formula R(exposed) ? R(unexposed) Crude Birth Rate Definition The number of live births per 1,000 people in the population Formula (# of births/estimated mid-year population) X 1000 Crude Death Rate Definition The number of deaths per 1,000 people in the population Formula (# of deaths/estimated mid-year population) X 1000 Fetal Death Rate Definition The number of fetal deaths (20 weeks or more gestation) per 1,000 live births. Formula (# of fetal deaths/ # of live births + fetal deaths) X 1000 Annual Mortality Rate Definition Usually an expression of a specific disease or can be all causes per 1,000 people for a year. Formula (# of deaths of all causes (or a specific disease)/Mid-year population) X 1000 Case Fatality Rate Definition The parentage of individuals who have a specific disease and die within a specific time after diagnosis. Formula (# of persons dying from a disease after diagnosis or set period/ # of persons with the disease) X 100 Relative Risk Calculation Worksheet Prior to completing this worksheet, review the lessons, reading and course text up to this point. Also review the tables of calculations. Each question is worth five (5) points. There is only one right answer for each of the ten problems. 1. The population in the city of Springfield, Missouri in March, 2014 was 200,000. The number of new cases of HIV was 28 between January 1 and June 30th 2014. The number of current HIV cases was 130 between January 1 and June 30th 2014. The incidence rate of HIV cases for this 6 month period was: A. 7 per 100,000 population B. 14 per 100,000 population C. 28 per 100,000 population D. 85 per 100,000 population 2. The prevalence rate of HIV cases in Springfield, Missouri as of June 30, 2014 was: A. 14 per 100,000 population B. 28 per 100,000 population C. 79 per 100,000 population D. 130 per 100,000 population 3. In a North African country with a population of 5 million people, 50,000 deaths occurred during 2014. These deaths included 5,000 people from malaria out of 10,000 persons who had Malaria. What was the total Annual Mortality Rate for 2014 for this country? (Please show your work) 4. What was the cause-specific mortality rate from malaria? (Please show your work) 5. What was the case-fatality percent from malaria? 6. Fill in and total the 4 X 4 table for the following disease parameters: Total number of people with lung cancer in a given population = 120 Total number of people with lung cancer who smoked = 90 Total number of people with lung cancer who did not smoke = 30 Total number of people who smoked = 150 Total number of people in the population = 350 Fill in the missing parameters based on the above. YES LUNG CANCER NO LUNG CANCER TOTALS YES SMOKING NO SMOKING TOTALS 7. From Question 6, what is the total number of people with no lung cancer? 8. From question 6, what is the total number of people who smoked, but did not have lung cancer? 9. Set up the problem for relative risk based on the table in #6. 10. Calculate the relative risk. NR 503 DeVry Week 6 Evaluation of Epidemiological Problem Paper Latest Purpose The purpose of this assignment is to Provide learners with the opportunity to integrate knowledge and skills learned throughout this course Directly apply principles and knowledge learned in the course to problem solving of population health problems in their own geographic areas. Course Outcomes This assignment enables the student to meet the following course outcomes: 1. Define key terms in epidemiology, community health, and population-based research. 2. Compare study designs used for obtaining population health information from surveillance, observation, community, and control trial based research. 3. Identify appropriate outcome measures and study designs applicable to epidemiological subfields such as infectious disease, chronic disease, environmental exposures, reproductive health, and genetics. 4. Apply commonly used measures of health risk. 5. Examine current ethical/legal issues in epidemiology. 6. Identify important sources of epidemiological data. 7. Evaluate a public health problem in terms of magnitude, person, time, and place. Due Date Submit to Dropbox by 11:59 p.m. MT Sunday of Week 6 Total Points Possible: 200 Requirements This paper should clearly and comprehensively identify the disease or population health problem chosen. The problem must be an issue in your geographic area and a concern for the population you will serve upon graduation with your degree. The paper should be organized into the following sections: 1. Introduction with a clear presentation of the problem as well as significance and a scholarly overview of the paper. 2. Background of the disease including definition, description, signs and symptoms, and current incidence and/or prevalence statistics current state, local, and national statistics pertaining to the disease. (Include a table of incidence or prevalence rates by your geographic county, state, and national statistics.) 3. A review of current surveillance methods and any mandated reporting or methods for reporting the disease for providers. 4. Conduct descriptive epidemiology analysis of the disease including who is more frequently affected and characteristics of the population that might help in creating a prevention plan. Include costs (both financial and social) associated with the disease or problem. 5. Review how the disease is diagnosed, current national standards for screening or prevention, and pick one screening test and review its sensitivity, specificity, positive predictive value, cost and any current national guidelines for conducting which patients to conduct this test on. 6. Provide a brief plan of how you will address this epidemiological disease in your practice once you are finished with school. Provide three actions you will take along with how you will measure outcomes of your actions. 7. Conclude in a clear manner with a brief overview of key points of the entire disease, NR 503 DeVry Complete Week Assignments Paper Preparing the Paper ? Page length: 7-10 pages, excluding title/cover page ? APA format 6th edition ? Include references when necessary. ? Include at least one table to present information somewhere in the paper. 

ADDITIONAL INFORMATION;

Identify key concepts in epidemiology

Introduction

Epidemiology is the study of how diseases are distributed in different populations, and of the factors that influence or determine this distribution. Epidemiological methods include the collection, classification and analysis of health related data to produce information that can be used to plan and implement policies aimed at improving the health status of populations (e.g., school children). It can also be used to target resources more effectively and efficiently.

Epidemiology is the study of how diseases are distributed in different populations, and of the factors that influence or determine this distribution.

Epidemiology is the study of how diseases are distributed in different populations, and of the factors that influence or determine this distribution. Epidemiologists collect data from different sources (e.g., medical records, death certificates) to try to understand how diseases spread through a population. They also use statistical models to estimate the number of people who will become sick each year with a particular illness over time, based on past patterns for that disease in other countries with similar climates or cultures.

The goal of epidemiology is not only to protect people from getting sick but also help them recover from illnesses once they become infected by knowing which treatments work well and which ones don’t work well enough until you can get treatment early enough before it gets worse than it needs too late because there’s no cure yet developed yet either so we need new drugs tested out on animals first before humans try them out themselves so we can see if they work better than any other drugs available right now.”

It involves investigating the causes, frequency and distribution of health-related states or events in specified populations.

Epidemiology is the study of how diseases are distributed in different populations, and of the factors that influence or determine this distribution. It involves investigating the causes, frequency and distribution of health-related states or events in specified populations.

Epidemiologists use statistical methods to study these questions using data from population-based studies (e.g., surveys), clinical trials, laboratory experiments, case reports and other sources (e.g., autopsy results). Epidemiologists also collect samples from individuals who have survived an event such as an epidemic or an accident (postmortem).

Epidemiological methods include the collection, classification and analysis of health related data to produce information that can be used to plan and implement policies aimed at improving the health status of populations (e.g., school children).

Epidemiological methods include the collection, classification and analysis of health related data to produce information that can be used to plan and implement policies aimed at improving the health status of populations (e.g., school children).

Epidemiology is a branch of public health which deals with the study of disease patterns in defined populations or communities.

It is concerned with the frequency and distribution of disease in a population, and with factors influencing the occurrence of disease. It seeks to identify risk factors for disease, as well as ways to prevent and control the spread of disease.

It can also be used to target resources more effectively and efficiently.

The epidemiology field is also used to identify key concepts in the field of medicine. Epidemiologists can use the information they gather about disease outbreaks to target resources more effectively and efficiently.

For example, if you’re trying to understand how diseases are distributed among people, you can use your findings from an outbreak or study as a reference for future studies on similar diseases (since many epidemiologists will have access to this information). This allows you to focus on specific areas where there may be a problem before it becomes larger than expected—and thus preventative measures such as vaccination programs become necessary instead of reactive ones when actual outbreaks happen later down the line!

Understanding epidemiology will help you understand how diseases are distributed among people.

Epidemiology is the study of the distribution and determinants of disease in populations. Epidemiologists use this knowledge to help plan and implement policies, target resources more effectively and efficiently, understand how diseases are distributed among people.

Epidemiology is a medical science that deals with the study of all aspects of disease, including its causes, distribution and control. Epidemiology is a branch of public health. It focuses on the study of the distribution and determinants of health-related states or events in specified populations; it also provides information for the planning and implementation of health programs.

Conclusion

In conclusion, epidemiology is a field that studies how diseases are distributed in different populations. It involves investigating the causes, frequency and distribution of health-related states or events in specified populations. Epidemiological methods include the collection, classification and analysis of health related data to produce information that can be used to plan and implement policies aimed at improving the health status of populations (e.g., school children).