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Gordis Chapter 3 & 4 Exam Questions And
Answers (Guaranteed A+)
For what is surveillance most frequently conducted? - Answer✔infectious disease
Definition of surveillance - Answer✔the ongoing systematic collection, analysis, and
interpretation of health data essential to planning, implementing, and evaluating public health
practice and the dissemination of this information to the right people
Passive surveillance - Answer✔data collection that is mandated or required from health care
providers
problems with passive surveillance - Answer✔not meant for studies- lack of completeness,
funds, willing staff
pros of passive surveillance - Answer✔inexpensive and easy
Active surveillance - Answer✔going out and collecting data for a specific project
Examples of active surveillance - Answer✔interviews, reviewing medical records, etc.
pros of active surveillance - Answer✔more accurate because conducted by people specifically
employed to do so
cons of active surveillance - Answer✔more expensive, time consuming, lack of access to
resources, differences in definitions
sentinel surveillance - Answer✔Monitoring of rate of occurrence of specific conditions to assess
the stability or change in health levels of a population
incidence rate - Answer✔# NEW cases during specific time period
---------------------------------------------
# persons at risk during that time period
incidence density - Answer✔# NEW cases during specific time period
---------------------------------------------
total person-time
attack rate - Answer✔# of people exposed to a suspect food who became ill
1|Page
Gordis Chapter 3 & 4 Exam Questions And
Answers (Guaranteed A+)
For what is surveillance most frequently conducted? - Answer✔infectious disease
Definition of surveillance - Answer✔the ongoing systematic collection, analysis, and
interpretation of health data essential to planning, implementing, and evaluating public health
practice and the dissemination of this information to the right people
Passive surveillance - Answer✔data collection that is mandated or required from health care
providers
problems with passive surveillance - Answer✔not meant for studies- lack of completeness,
funds, willing staff
pros of passive surveillance - Answer✔inexpensive and easy
Active surveillance - Answer✔going out and collecting data for a specific project
Examples of active surveillance - Answer✔interviews, reviewing medical records, etc.
pros of active surveillance - Answer✔more accurate because conducted by people specifically
employed to do so
cons of active surveillance - Answer✔more expensive, time consuming, lack of access to
resources, differences in definitions
sentinel surveillance - Answer✔Monitoring of rate of occurrence of specific conditions to assess
the stability or change in health levels of a population
incidence rate - Answer✔# NEW cases during specific time period
---------------------------------------------
# persons at risk during that time period
incidence density - Answer✔# NEW cases during specific time period
---------------------------------------------
total person-time
attack rate - Answer✔# of people exposed to a suspect food who became ill
1|Page
