PBHL 4613 - MIDTERM EXAM UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

PBHL 4613 - MIDTERM EXAM UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS

Question:
1. Incidence and prevalence data have different applications in public health. Indicate by choosing the
appropriate option whether the use is for incidence or prevalence data. Determining workload and planning
the scope of facilities and manpower needs, particularly for chronic disease.
Answer:
This is a use of primarily prevalence data

Question:
2. The incidence of a disease is five times greater in men than in women, but the prevalence shows no sex
difference. The most likely explanation is that:
Answer:
The duration of disease is greater in women

Question:
3. Successful treatment programs that would shorten the duration of a disease primarily affect:
Answer:
The prevalence of the disease

Question:
4. Incidence and prevalence data have different applications in public health. Indicate by choosing the
appropriate option whether the use is for incidence or prevalence data. The fundamental tool for etiologic
studies of both acute and chronic diseases.
Answer:
This is a use of primarily incidence data

Question:
5. True or False? A prerequisite for using direct age adjustment is that the age-specific death rates in the
study population must be stable.
Answer:
True

Question:
6. True or False? At the initial examination in the Framingham study, coronary heart disease was found in
5 per 1000 men ages 30-44, and in 5 per 1000 women ages 30-44. The inference that in this age group men
and women have an equal risk of getting coronary heart disease is incorrect because the data are
prevalence data and not incidence data.
Answer:
True

, Question:
7. Incidence and prevalence data have different applications in public health. Indicate by choosing the
appropriate option whether the use is for incidence or prevalence data. To express the burden or extent of
some condition or attribute in a population.
Answer:
This is a use of primarily prevalence data

Question:
8. An epidemiologic survey of roller-skating injuries in Metroville, a city with a population of 100,000
(during the midpoint of the year), produced the following data for a particular year: Number of skaters in
metroville any given month: 12,000 Roller skating injuries in metroville: 600 Total number of residents
injured from roller skating: 1,800 Total number of deaths from roller skating: 90 Total number of deaths
from all causes: 900 The proportional mortality ratio (%) due to roller-skating was:
Answer:
90/900 x 100

Question:
9. The risk of acquiring a given disease during a time period is best determined by:
Answer:
the incidence rate (cumulative incidence) for that disease in a given period of time

Question:
10. The major disadvantage of crude rates is that:
Answer:
they do not permit comparison of population that vary in composition

Question:
11. True or False? E. coli O157:H7 is not considered a threat to the food supply of the United States.
Answer:
false

Question:
12. Which of the following activities characterizes a clinical approach (as opposed to an epidermiologic
approach)?
Answer:
B. Description of specific signs and symptoms in a patient

Question:
13. Which of the following is not usually an aim of epidemiology?
Answer:
E. To fund new public health programs

Question:
14. In the Yearly Mortality Bill for 1632, consumption referred to:
Answer:
C. tuberculosis