Question

1. Define environment:

2. Define toxicology:

3. Explain epidemiology:

4. Explain the epidemiological triangle:

5. Explain the right to know:

6. Explain prevalence:

7. Explain the difference between incidence and prevalence:

8. Define mortality:

9. The three components of the epidemiological triangle:   

10. Explain the 3 levels of prevention:

11. Explain screenings and why they are done:

12. Define Reliability and validity:

13. Define evidence-based practice:

14. Explain why evidence-based practice is important to public health:

15. List the types of evidence and what they mean:

16. What are the 7 steps in evidence-based practice?

17. What is a PICOT question?

Answer 1

eans-1 Environment. It is the circumstances, one is I objects or conditions by which surrounded - 2 Toxicology. It is the study of poisons or more correctly the study of how chemicals interfere with the normal function of a biological system. 3 Epidemiology & It is the study of frequency, distribution & determinants of disease & other health related conditions in an human population It involves collection, analysis &interpretation of health related data. The purpose of epidemiology is prevention of diseases & promotion of health There are two major categories of epidemiology. iz Descriptive Analytic . 47 Epidemiological Triangle Host ent Environment

the link is first in Agent: It is the chain of disease transmission Dis ease agent is a substance , living or non-living or a force a tangible or Intangible, the excessive presence or relative lack of which may initiate or perpetuate a dis ease process leg: virus, bacteria , fungus etc , chemicals, y dost :- The agent infects the host , which is the organism that carries the disease. illy Environment : - outside factors can affect an epidemiologia outbreak as well; collectively these are referred to as the environment. Ans - Mortality is a demographic event - Average risk of dying of a person in the group. during a time span. validity is the extent to which a test measures , what it supposed to measure Reliability is the degree to which a test consistently measures