c.2. Researchers are studying HIV prevalence using a cross-sectional study design.Which of the following factors may affect the researchers' assessment of HIVprevalence in their study population? Choose all that apply and explain your answer.a) Changes in HIV treatmentb) Changes in HIV virulence (HIV virulence refers to the ability of the virus to causedisease)c) Population changes (e.g. migration) due to HIV infection, for example people wholeave their community to live closer to physicians specialized in treating HIVd) Other factors which may affect survival of HIV-infected persons (e.g. changes inhealthcare practices)e) Changes in HIV diagnosticsf) Changes in HIV awareness and education

Human immunodeficiency virus (HIV) is a virus that destroys immune cells in the human body, which…

Answered: c.2. Researchers are studying HIV…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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5) Consider the following simulation result: 120 100 80 60 40 20 0 10 20 30 c) When does the epidemic peak? 40 50 Time 60 b) What proportion of the population gets infected? 70 a) What model do you think this simulation result is from? 80 90 d) Suppose 3 = 0.005 and y = 0.1. Calculate Ro for this model. 100 e) Can you stop the epidemic by adding more people to the population? If so, how many people would you need to add?
Please answer fast
There are multiple epidemiologic study designs. Study designs can be categorized as an experimental or observational design. What is the primary difference between the two? (Choose the one best answer) 1. In an experimental design, the outcome/disease is assigned 2. In an observational design, the outcome/disease is assigned 3. In an experimental design, the exposure/treatment is assigned 4. In an observational design, the exposure/treatment is assigned 5. They are both epidemiologic study designs without a distinct difference
For each of the studies below, put an “A” if it is an example of analytic epidemiology or a “B” if is an example of descriptive epidemiology. __________ Analysis of US mortality data to determine the rates of colorectal cancer deaths for white (non-Hispanic), black (non-Hispanic) and Hispanics in 2012. __________ Analysis of survey and laboratory data to determine if individuals with a high salt diet have higher systolic and diastolic blood pressure. ______ Case-control study to determine if patients with a current diagnosis of breast cancer had ever received hormone replacement therapy. ______ Analysis of medical records to determine if diagnosis of hypertension is more or less common among adults age 65 or older compared to those younger than age 65.
Which of the following statements is incorrect? a. Epidemiologists need to focus on evidence and data concerning diseases or other health outcomes, and not on their personal opinions or beliefs b. Many of the historical figures in epidemiology did not have a formal background in epidemiology or public health c. It is not possible for epidemiologists to function in the absence of sophisticated computers, software, high speed internet, and well-equipped labs. d. In addition to understanding acute infectious diseases, epidemiology also examines risk factors for chronic and/or non-infectious health conditions including mental health issues, substance use, cancers, cardiovascular conditions, and the implications of trauma, violence, and systemic racism.
This week you were introduced to the concept of walkability and the impact that environmental pollution can have on chronic diseases. It can be easy to observe issues within your own community, but what can be challenging is to assess and compare your community or local environment to others. In this discussion, you will select one of two tools with which to evaluate your local community on either pollution or walkability. Look at the WalkscoreLinks to an external site and enter clark county or Las vegas, then click search. Afterwards on the leftside of screenthere is a list of scores: Walk, Transit and bike score and then below the walkscore is a brief description about this location. Walkability and bike-ability in a community has been tied to lower levels of chronic diseases such as obesity, diabetes, and cardiovascular disease. A transition to more mixed use city planning, which would increase population density and reduce reliance on single occupancy vehicles has been one part of…
Could you please write a claim and evidence for number 1 and 2. The evidence should be from the chart above.

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