CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. Epidemiology is the study of:
A. Distribution and determinants of disease in populations
B. Hospital payroll systems only
C. Parking regulations only
D. Landscaping operations only
Answer: A
Rationale: Epidemiology examines health events and factors affecting populations.
2. The primary goal of epidemiology is to:
A. Prevent and control disease
B. Eliminate healthcare records
C. Reduce communication
D. Ignore public health trends
Answer: A
Rationale: Epidemiology supports disease prevention and health improvement.
3. Incidence refers to:
A. Number of new disease cases during a specific time period
B. Total existing disease cases only
C. Hospital admissions only
D. Mortality rates only
Answer: A
Rationale: Incidence measures new occurrences of disease.
4. Prevalence refers to:
,A. Total number of disease cases at a given time
B. New cases only
C. Deaths only
D. Birth rates only
Answer: A
Rationale: Prevalence includes all existing cases.
5. Morbidity refers to:
A. Illness or disease occurrence
B. Death rates only
C. Hospital payroll only
D. Employee attendance only
Answer: A
Rationale: Morbidity measures disease frequency.
6. Mortality rate measures:
A. Frequency of death within a population
B. Disease prevalence only
C. Vaccination rates only
D. Birth rates only
Answer: A
Rationale: Mortality reflects death occurrence.
7. An epidemic is:
A. A sudden increase in disease cases above expected levels
B. A disease affecting animals only
C. A routine vaccination program only
D. A chronic condition only
Answer: A
Rationale: Epidemics involve unexpected disease increases.
8. A pandemic is:
, A. A worldwide spread of disease
B. A local disease outbreak only
C. A hospital infection only
D. A seasonal allergy only
Answer: A
Rationale: Pandemics affect multiple countries or continents.
9. Endemic disease refers to:
A. A disease consistently present in a population
B. A global outbreak only
C. A laboratory accident only
D. A temporary illness only
Answer: A
Rationale: Endemic diseases occur regularly within a region.
10. The epidemiologic triangle includes:
A. Agent, host, and environment
B. Insurance, payroll, and parking
C. Physician, nurse, and patient
D. Hospital, clinic, and pharmacy
Answer: A
Rationale: These factors influence disease transmission.
11. A vector is:
A. An organism that transmits disease
B. A hospital department only
C. A vaccination record only
D. A payroll report only
Answer: A
Rationale: Vectors spread infectious agents.
12. Epidemiologic surveillance involves: