Epidemiology (Quizzes 1-6)
Questions with Accurate Answers
100 students eat lunch in Hogan Dining Hall on Wednesday and 15 become ill
with diarrhea and vomiting by the evening. Calculate the crude attack rate and
type your answer as a %. correct answer CAR = (# ill * 100) / # attending
CAR = (15 * 100) / 100
CAR = 15%
A person or animal in which a parasite or infectious agent lives is called which of
the following?
A. Host
B. Agent
C. Vehicle
D. Vector correct answer A. Host
According to Donabedian (1973), which of the following represents the amount of
medical services that SHOULD be consumed?
A. Utilization
B. Demand
C. Want
D. Need correct answer D. Need
,According to Parrish (2010), poverty would be which kind of a factor affecting
population health outcomes?
A. Proximal
B. Physiologic
C. Distal
D. Associated correct answer C. Distal
According to Porta (2014), what is a "collective or individual risk factor (or set of
factors) that is causally related to a health condition, outcome, or other defined
characteristic"?
A. Health outcome
B. Health determinant
C. Population health outcome
D. Health disparity correct answer B. Health determinant
Along the natural history of disease, what is the clinical horizon?
A. The moment when the patient is exposed to a risk factor
B. The point at which the disease becomes detectable through technology
C. The point at which signs & symptoms make a disease detectable
D. The point at which the disease is diagnosed correct answer C. The point at
which signs & symptoms make a disease detectable
,An infectious person recovering from disease is referred to as which kind of
carrier?
A. Intermittent carrier
B. Incubatory carrier
C. Convalescent carrier
D. Lingering carrier correct answer C. Convalescent carrier
Because duration of stay in the hospital is a risk, how could we control for that in
our calculations?
A. By using patient days in the denominator for rates
B. By using admissions in the denominator for rates
C. By using average length of stay in the denominator for rates
D. By using discharges in the denominator for rates correct answer A. By using
patient days in the denominator for rates
Criteria for a good screening program include: (select all that apply)
A. Test detects disease at earlier stage
B. Test is acceptable to the patient
C. There is no treatment options for patients who test positive
D. Test has high specificity & low sensitivity correct answer A. Test detects disease
at earlier stage
B. Test is acceptable to the patient
, Education is __________________ associated with mortality.
A. Exponentially
B. Not
C. Inversely
D. Directly correct answer C. Inversely
For the healthcare organization, population at risk could be defined in terms of:
(select all that apply)
A. Inpatient episodes (e.g., admissions)
B. Units of time (e.g., patient days)
C. Enrolled members (e.g., MCOs)
D. None of these examples are correct correct answer A. Inpatient episodes (e.g.,
admissions)
B. Units of time (e.g., patient days)
C. Enrolled members (e.g., MCOs)
Health care mnagers should be concerned about healthcare-associated infections
because: (select all that apply)
A. They may improve patient outcomes
B. They may result in the patient's death
C. They are costly to the healthcare organization
D. They cause suffering to the patient correct answer B. They may result in the
patient's death
Questions with Accurate Answers
100 students eat lunch in Hogan Dining Hall on Wednesday and 15 become ill
with diarrhea and vomiting by the evening. Calculate the crude attack rate and
type your answer as a %. correct answer CAR = (# ill * 100) / # attending
CAR = (15 * 100) / 100
CAR = 15%
A person or animal in which a parasite or infectious agent lives is called which of
the following?
A. Host
B. Agent
C. Vehicle
D. Vector correct answer A. Host
According to Donabedian (1973), which of the following represents the amount of
medical services that SHOULD be consumed?
A. Utilization
B. Demand
C. Want
D. Need correct answer D. Need
,According to Parrish (2010), poverty would be which kind of a factor affecting
population health outcomes?
A. Proximal
B. Physiologic
C. Distal
D. Associated correct answer C. Distal
According to Porta (2014), what is a "collective or individual risk factor (or set of
factors) that is causally related to a health condition, outcome, or other defined
characteristic"?
A. Health outcome
B. Health determinant
C. Population health outcome
D. Health disparity correct answer B. Health determinant
Along the natural history of disease, what is the clinical horizon?
A. The moment when the patient is exposed to a risk factor
B. The point at which the disease becomes detectable through technology
C. The point at which signs & symptoms make a disease detectable
D. The point at which the disease is diagnosed correct answer C. The point at
which signs & symptoms make a disease detectable
,An infectious person recovering from disease is referred to as which kind of
carrier?
A. Intermittent carrier
B. Incubatory carrier
C. Convalescent carrier
D. Lingering carrier correct answer C. Convalescent carrier
Because duration of stay in the hospital is a risk, how could we control for that in
our calculations?
A. By using patient days in the denominator for rates
B. By using admissions in the denominator for rates
C. By using average length of stay in the denominator for rates
D. By using discharges in the denominator for rates correct answer A. By using
patient days in the denominator for rates
Criteria for a good screening program include: (select all that apply)
A. Test detects disease at earlier stage
B. Test is acceptable to the patient
C. There is no treatment options for patients who test positive
D. Test has high specificity & low sensitivity correct answer A. Test detects disease
at earlier stage
B. Test is acceptable to the patient
, Education is __________________ associated with mortality.
A. Exponentially
B. Not
C. Inversely
D. Directly correct answer C. Inversely
For the healthcare organization, population at risk could be defined in terms of:
(select all that apply)
A. Inpatient episodes (e.g., admissions)
B. Units of time (e.g., patient days)
C. Enrolled members (e.g., MCOs)
D. None of these examples are correct correct answer A. Inpatient episodes (e.g.,
admissions)
B. Units of time (e.g., patient days)
C. Enrolled members (e.g., MCOs)
Health care mnagers should be concerned about healthcare-associated infections
because: (select all that apply)
A. They may improve patient outcomes
B. They may result in the patient's death
C. They are costly to the healthcare organization
D. They cause suffering to the patient correct answer B. They may result in the
patient's death
