PBH 101 Exam 1 FRQ’s
Study online at https://quizlet.com/_i1eza6
1. What were the 3 P's of public health presented in class? How do these explain
how the field of public health differs from health care?: Prevention
Population
Perspective
2. Define primary and secondary prevention: Primary Prevention: prevent exposure to risk factors
= reduce incidence
Secondary Prevention: early detection & management = minimize harm
3. What is the fundamental ethical dilemma of public health? How did the story
of Mary Mallon illustrate this dilemma?: The dissonance between individual rights and community
needs
4. Briefly explain [person's] key contributions to public health: [John Snow, Ed-
ward Jenner, and/or Alexander Fleming]: John Snow - pioneer in epidemiology and public health
Edward Jenner - pioneer in vaccination
Alexander Fleming - discovered penicillin
5. Draw the infectious disease model and explain each component:
6. List each component of the chain of infection (in order). Give an example of
each ARPEMPESH: Agent: bacteria or virus
Reservoir: cat (cat scratch fever)
Portal of Exit: sneeze
Mode of Transmission: airborne
Portal of Entry: nose or mouth
Susceptible Host: human who is not immune (unvaccinated)
7. Define the term disease reservoir and identify the three possible types of
disease reservoirs: Reservoir - a place where the pathogen lives and multiplies.
Human, animal and environmental reservoirs
8. What are the definitions of epidemiology and surveillance? Describe the most
common form of disease surveillance: Epidemiology: the study of the frequency, distribution, and
determinants of a disease
PBH Surveillance: the ongoing, systematic collection, analysis, and interpretation of data
1/3
Study online at https://quizlet.com/_i1eza6
1. What were the 3 P's of public health presented in class? How do these explain
how the field of public health differs from health care?: Prevention
Population
Perspective
2. Define primary and secondary prevention: Primary Prevention: prevent exposure to risk factors
= reduce incidence
Secondary Prevention: early detection & management = minimize harm
3. What is the fundamental ethical dilemma of public health? How did the story
of Mary Mallon illustrate this dilemma?: The dissonance between individual rights and community
needs
4. Briefly explain [person's] key contributions to public health: [John Snow, Ed-
ward Jenner, and/or Alexander Fleming]: John Snow - pioneer in epidemiology and public health
Edward Jenner - pioneer in vaccination
Alexander Fleming - discovered penicillin
5. Draw the infectious disease model and explain each component:
6. List each component of the chain of infection (in order). Give an example of
each ARPEMPESH: Agent: bacteria or virus
Reservoir: cat (cat scratch fever)
Portal of Exit: sneeze
Mode of Transmission: airborne
Portal of Entry: nose or mouth
Susceptible Host: human who is not immune (unvaccinated)
7. Define the term disease reservoir and identify the three possible types of
disease reservoirs: Reservoir - a place where the pathogen lives and multiplies.
Human, animal and environmental reservoirs
8. What are the definitions of epidemiology and surveillance? Describe the most
common form of disease surveillance: Epidemiology: the study of the frequency, distribution, and
determinants of a disease
PBH Surveillance: the ongoing, systematic collection, analysis, and interpretation of data
1/3
