MPH 6011 MIDTERM EXAM UPDATED QUESTIONS AND ANSWERS
Which of the activities below are related to epidemiology - CORRECT ANSWER✅✅-describe the
occurrence of disease by person, place & time
-determine causes of health-related events by comparing different populations
-apply insight for descriptive & analytic epidemiology to prevent & control health problems
**NOT ensure a competent workforce is available to provide health education, health care, & other
services to people who need them
An epidemiologist calculates the prevalence of diabetes among young adults living in rural NC counties
in 2020. Select the term that best describes the activity - CORRECT ANSWER✅✅Descriptive
epidemiology
What are the 3 core public health functions - CORRECT ANSWER✅✅1- assessment
2- policy development
3- assurance
Which of the following describes the interaction of factors that influence infectious disease transmission
- CORRECT ANSWER✅✅Agent, host & environment
T/F- all infectious diseases are communicable diseases - CORRECT ANSWER✅✅False
Vaccination is a strategy for which level of prevention - CORRECT ANSWER✅✅Primary
Direct transmission includes which of the following (select all that apply) - CORRECT
ANSWER✅✅Sneezing, sex & coughing
*not doorknobs, food-borne, or mosoquito-borne
,Between 2010 and 2018, Buncombe County, NC, reported between 1 and 7 cases of Legionnaire's
disease annually. Legionnaire's disease would be considered which of the following in Buncombe County
- CORRECT ANSWER✅✅Endemic
Between 2010 and 2018, Buncombe County, NC reported between 1 and 7 cases of Legionnaire's
disease annually. In 2019, Buncombe County, NC, reported 49 cases of Legionnaire's disease. The
occurrence of Legionnaire's disease in 2019 would be consider which of the following in Buncombe
County - CORRECT ANSWER✅✅Epidemic
You are conducting a study of ECU students who use electronic cigarettes (e-cigs, vaping). Is this
considered a dynamic or stationary population - CORRECT ANSWER✅✅Dynamic
Which of the following is/are an example of tertiary prevention (select all that apply) - CORRECT
ANSWER✅✅Treatment of disease with antibiotics & physical therapy following a stroke
Which of the following is the period when the disease process has begun but diagnosis cannot be made
because symptoms have not yet developed. It is an important period when screening can be done and
applies to non-communicable diseases - CORRECT ANSWER✅✅Latency
A disease which is caused by a high dose of a pollutant or toxic agent and lasts for just a short time
(Maybe minutes, hours, or a few days) is an example of which of the following - CORRECT
ANSWER✅✅Acute non-communicable diseas
A condition that causes the malfunction of certain organs or physiological processes within the body is
an example of which kind of disease - CORRECT ANSWER✅✅Metabolic
T/F- Toxicity (or overdose) due to nutrients, vitamins, or minerals can occur - CORRECT
ANSWER✅✅True
The multifactorial concept of disease causation is communicated by which of the following causal
models (choose all that apply) - CORRECT ANSWER✅✅Epidemiology triangle, sufficient-component
cause model, & socio-ecologic model
, T/F- The purpose of a screening test is to detect disease in people who do not have signs and symptoms
of disease - CORRECT ANSWER✅✅True
Stored blood samples from a group of 315 patients were used to test a novel screening test. All patients
had diagnosed, confirmed cancer and the stored blood samples were obtained five years before
diagnosis. When applied to the stored blood samples, the screening test was positive for 286 of these
patients. Is the following statement true or false: the sensitivity of the screening test is 286/315 = 90.8%
- CORRECT ANSWER✅✅True
The following phrase is best characterized by which term below: "If the screening results are positive in
this patient, what is the probability that this patient truly has the disease?" - CORRECT
ANSWER✅✅Positive predictive value
What are the levels of the socioecologic model - CORRECT ANSWER✅✅-Intrapersonal
-Interpersonal
-Institution
-Community
-Policy
T/F- Mosquito-borne diseases such as yellow fever and malaria used to be endemic in the United States
- CORRECT ANSWER✅✅True
John Snow's work on cholera demonstrated which of the following components of epidemiology -
CORRECT ANSWER✅✅Descriptive, analytic, & application
Which of the following are aspects of descriptive epidemiology (check all that apply) - CORRECT
ANSWER✅✅-ID the extent of the public health problem
-ID populations at greatest risk
-ID avenues for further research
A group of individuals present with a unique set of symptoms. A number of tests are performed to
characterize this new disease. A detailed history of behavior and possible exposures is obtained. This is
an example of which if the following, which may be used to inform the scientific and medical
Which of the activities below are related to epidemiology - CORRECT ANSWER✅✅-describe the
occurrence of disease by person, place & time
-determine causes of health-related events by comparing different populations
-apply insight for descriptive & analytic epidemiology to prevent & control health problems
**NOT ensure a competent workforce is available to provide health education, health care, & other
services to people who need them
An epidemiologist calculates the prevalence of diabetes among young adults living in rural NC counties
in 2020. Select the term that best describes the activity - CORRECT ANSWER✅✅Descriptive
epidemiology
What are the 3 core public health functions - CORRECT ANSWER✅✅1- assessment
2- policy development
3- assurance
Which of the following describes the interaction of factors that influence infectious disease transmission
- CORRECT ANSWER✅✅Agent, host & environment
T/F- all infectious diseases are communicable diseases - CORRECT ANSWER✅✅False
Vaccination is a strategy for which level of prevention - CORRECT ANSWER✅✅Primary
Direct transmission includes which of the following (select all that apply) - CORRECT
ANSWER✅✅Sneezing, sex & coughing
*not doorknobs, food-borne, or mosoquito-borne
,Between 2010 and 2018, Buncombe County, NC, reported between 1 and 7 cases of Legionnaire's
disease annually. Legionnaire's disease would be considered which of the following in Buncombe County
- CORRECT ANSWER✅✅Endemic
Between 2010 and 2018, Buncombe County, NC reported between 1 and 7 cases of Legionnaire's
disease annually. In 2019, Buncombe County, NC, reported 49 cases of Legionnaire's disease. The
occurrence of Legionnaire's disease in 2019 would be consider which of the following in Buncombe
County - CORRECT ANSWER✅✅Epidemic
You are conducting a study of ECU students who use electronic cigarettes (e-cigs, vaping). Is this
considered a dynamic or stationary population - CORRECT ANSWER✅✅Dynamic
Which of the following is/are an example of tertiary prevention (select all that apply) - CORRECT
ANSWER✅✅Treatment of disease with antibiotics & physical therapy following a stroke
Which of the following is the period when the disease process has begun but diagnosis cannot be made
because symptoms have not yet developed. It is an important period when screening can be done and
applies to non-communicable diseases - CORRECT ANSWER✅✅Latency
A disease which is caused by a high dose of a pollutant or toxic agent and lasts for just a short time
(Maybe minutes, hours, or a few days) is an example of which of the following - CORRECT
ANSWER✅✅Acute non-communicable diseas
A condition that causes the malfunction of certain organs or physiological processes within the body is
an example of which kind of disease - CORRECT ANSWER✅✅Metabolic
T/F- Toxicity (or overdose) due to nutrients, vitamins, or minerals can occur - CORRECT
ANSWER✅✅True
The multifactorial concept of disease causation is communicated by which of the following causal
models (choose all that apply) - CORRECT ANSWER✅✅Epidemiology triangle, sufficient-component
cause model, & socio-ecologic model
, T/F- The purpose of a screening test is to detect disease in people who do not have signs and symptoms
of disease - CORRECT ANSWER✅✅True
Stored blood samples from a group of 315 patients were used to test a novel screening test. All patients
had diagnosed, confirmed cancer and the stored blood samples were obtained five years before
diagnosis. When applied to the stored blood samples, the screening test was positive for 286 of these
patients. Is the following statement true or false: the sensitivity of the screening test is 286/315 = 90.8%
- CORRECT ANSWER✅✅True
The following phrase is best characterized by which term below: "If the screening results are positive in
this patient, what is the probability that this patient truly has the disease?" - CORRECT
ANSWER✅✅Positive predictive value
What are the levels of the socioecologic model - CORRECT ANSWER✅✅-Intrapersonal
-Interpersonal
-Institution
-Community
-Policy
T/F- Mosquito-borne diseases such as yellow fever and malaria used to be endemic in the United States
- CORRECT ANSWER✅✅True
John Snow's work on cholera demonstrated which of the following components of epidemiology -
CORRECT ANSWER✅✅Descriptive, analytic, & application
Which of the following are aspects of descriptive epidemiology (check all that apply) - CORRECT
ANSWER✅✅-ID the extent of the public health problem
-ID populations at greatest risk
-ID avenues for further research
A group of individuals present with a unique set of symptoms. A number of tests are performed to
characterize this new disease. A detailed history of behavior and possible exposures is obtained. This is
an example of which if the following, which may be used to inform the scientific and medical
