CHLH 274 Exam 1 And EXAM 2 UIUC
STUDY GUIDE QUESTIONS AND
ACTUAL ANSWERS 2026.
determinant - Answer factor or event that is capable of bringing about a change in health.
2 types of determinants? - Answer biological and chemical
distribution - Answer the frequency of disease occurring may vary from one population
group to another
morbidity - Answer designated illness
mortality - Answer deaths that occurr
epidemic - Answer occurrence in an community of cases of an illness
endemic - Answer disease that is habitually present
ex: malaria
pandemic - Answer an epidemic on a worldly scale
what are the 4 goals of epidemiology - Answer 1. describe health status of a population
2. explain etiology of a disease
3. predict occurrence of a disease
4. control occurrence of a disease
what is surveillance? - Answer systematic collection of data pertaining to the
- occurrence of a specific disease
- analysis and interpretation of this data
- dissemination of disease-related information
epidemic threshold - Answer minimum number of cases that would support the conclusion
that an epidemic was underway
, John Graunt - Answer first person to use quantitative methods to describe vital population
statistics. He also showed excess male over female mortality.
Edward Jenner - Answer developed smallpox vaccine
John Snow - Answer linked cholera to water supplies
Robert Koch - Answer Verified that human disease was caused by a specific living organism
Koch's Postulates - Answer 1. microorganisms must be observed in every case of the disease
2. microorganisms must be isolated and grown in pure culture
3. pure culture must, when inoculated into susceptible animal, reproduce the disease
4. microorganisms must be observed in, and recovered from, the experimental diseased animal
seven uses of epidemiology - Answer 1. study history of health populations
2. diagnose health of community
3. study the working of health services
4. estimate from the group, individual risks of disease and chances of avoiding them
5. identify symptoms
6. to complete clinical picture of chronic diseases and describe their natural history
7. search for causes of health and disease
what are the four trends in disorders? - Answer 1. disappearing
2. residual
3. persisting
4. new epidemic
what is a disappearing disorder? - Answer the diseases are formerly common sources of
morbidity and mortality, but are no longer present in epidemic form.
what is a residual disorder? - Answer key contributing factors of a disease are largely known
but specific methods of control have not been effectively implemented.
What is a persisting disorder? - Answer diseases that remain common with unknown
methods of prevention and care
STUDY GUIDE QUESTIONS AND
ACTUAL ANSWERS 2026.
determinant - Answer factor or event that is capable of bringing about a change in health.
2 types of determinants? - Answer biological and chemical
distribution - Answer the frequency of disease occurring may vary from one population
group to another
morbidity - Answer designated illness
mortality - Answer deaths that occurr
epidemic - Answer occurrence in an community of cases of an illness
endemic - Answer disease that is habitually present
ex: malaria
pandemic - Answer an epidemic on a worldly scale
what are the 4 goals of epidemiology - Answer 1. describe health status of a population
2. explain etiology of a disease
3. predict occurrence of a disease
4. control occurrence of a disease
what is surveillance? - Answer systematic collection of data pertaining to the
- occurrence of a specific disease
- analysis and interpretation of this data
- dissemination of disease-related information
epidemic threshold - Answer minimum number of cases that would support the conclusion
that an epidemic was underway
, John Graunt - Answer first person to use quantitative methods to describe vital population
statistics. He also showed excess male over female mortality.
Edward Jenner - Answer developed smallpox vaccine
John Snow - Answer linked cholera to water supplies
Robert Koch - Answer Verified that human disease was caused by a specific living organism
Koch's Postulates - Answer 1. microorganisms must be observed in every case of the disease
2. microorganisms must be isolated and grown in pure culture
3. pure culture must, when inoculated into susceptible animal, reproduce the disease
4. microorganisms must be observed in, and recovered from, the experimental diseased animal
seven uses of epidemiology - Answer 1. study history of health populations
2. diagnose health of community
3. study the working of health services
4. estimate from the group, individual risks of disease and chances of avoiding them
5. identify symptoms
6. to complete clinical picture of chronic diseases and describe their natural history
7. search for causes of health and disease
what are the four trends in disorders? - Answer 1. disappearing
2. residual
3. persisting
4. new epidemic
what is a disappearing disorder? - Answer the diseases are formerly common sources of
morbidity and mortality, but are no longer present in epidemic form.
what is a residual disorder? - Answer key contributing factors of a disease are largely known
but specific methods of control have not been effectively implemented.
What is a persisting disorder? - Answer diseases that remain common with unknown
methods of prevention and care
