NSG 221 FINAL EXAM 2026 Questions
and Answers
ANALYTIC EPIDEMIOLOGY - Correct answer-METHOD THAT
INVESTIGATES THE CAUSES OF DISEASE BY DETERMINING WHY A
DISEASE RATE IS LOWER IN ONE POPULATION GROUP THAN IN
ANOTHER
DESCRIPTIVE EPIDEMIOLOGY - Correct answer-A FORM OF
EPIDEMIOLOGY THAT DESCRIBES A DISEASE ACCORDING TO ITS
PERSON, PLACE OR TIME
WEB OF CAUSATION - Correct answer-A MODEL THAT CAN BE USED TO
ILLUSTRATE COMPLEX INTERRELATIONSHIPS OF FACTORS
INTERACTING WITH EACH OTHER TO INFLUENCE THE RISK FO, OR
DISTRIBUTION OF, HEALTH OUTCOMES
SCREENING PROGRAMS - Correct answer-A SECONDARY PREVENTION
ACTIVITY THAT IDENTIFIES RISK FACTORS AND DISEASES IN THEIR
EARLIEST STAGES
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,SURVEILLANCE - Correct answer-A MECANISM FOR THE ONGOING
COLLECTION OF HEALTH INFORMATION IN A COMMUNITY
HOST AGENT ENVIRONMENT - Correct answer-EPIDEMIOLOGICAL
TRIANGLE
HOST-A LIVING HUMAN OR ANIMAL ORGANISM IN WHICH AN
INFECTIOUS AGENT CAN EXIST UNDER NATURAL CONDITIONS
AGENT-CAUSATIVE FACTOR INVADING A SUSCEPTIBLE HOST
THROUGH AN ENVIRONMENT FAVORABLE TO PRODUCE DISEASE,
SUCH AS BIOLOGICAL OR CHEMICAL AGENT
ENVIRONMENT-THE ACCUMULATION OF PHYSICAL, SOCIAL,
CULTURAL, ECONOMIC AND POLITICAL CONDITIONS THAT
INFLUENCE THE LIVES OF COMMUNITIES;THAT WHICH SURROUNDS
THE HUMAN HOST AND WHERE TRANSMISSION OF AN INFECTIOUS
AGENT IS OCCURRING
©COPYRIGHT 2025, ALL RIGHTS RESERVE 2
, RATES - Correct answer-ARITHMETIC EXPRESSIONS THAT ALLOW ONE
TO CONSIDER A COUNT OF AN EVENT RELATIVE TO THE SIZE OF THE
POPULATION FROM WHICH IT IS EXTRACTED
INCIDENCE RATES - Correct answer-RATES THAT DESCRIBE THE
OCCURRENCE OF NEW CASES OF DISEASE OR CONDITION (TEEN
PREGNANCY) IN A COMMUNITY OVER A PERIOD OF TIME, RELATIVE
TO THE SIZE OF THE POPULATION AT RISK FOR THAT DISEASE OR
CONDITION DURING THAT SAME PERIOD
PREVALENCE RATE - Correct answer-THE NUMBER OF ALL CASES OF A
SPECIFIC DISEASE OR CONDITION(DEAFNESS) IN A POPULATION AT A
GIVEN POINT IN TIME, RELATIVE TO THE POPULATION AT THE SAME
POINT IN TIME
EPIDEMIOLOGY - Correct answer-THE STUDY OF THE DISTRIBUTION
AND DETERMINANTS OF HEALTH AND DISEASE IN HUMAN
POPULATIONS
ROLES OF THE EPIDEMIOLOGIS - Correct answer-COLLECTION AND
ANALYSIS OF VITAL RECORDS (BIRTHS AND DEATHS)
©COPYRIGHT 2025, ALL RIGHTS RESERVE 3
and Answers
ANALYTIC EPIDEMIOLOGY - Correct answer-METHOD THAT
INVESTIGATES THE CAUSES OF DISEASE BY DETERMINING WHY A
DISEASE RATE IS LOWER IN ONE POPULATION GROUP THAN IN
ANOTHER
DESCRIPTIVE EPIDEMIOLOGY - Correct answer-A FORM OF
EPIDEMIOLOGY THAT DESCRIBES A DISEASE ACCORDING TO ITS
PERSON, PLACE OR TIME
WEB OF CAUSATION - Correct answer-A MODEL THAT CAN BE USED TO
ILLUSTRATE COMPLEX INTERRELATIONSHIPS OF FACTORS
INTERACTING WITH EACH OTHER TO INFLUENCE THE RISK FO, OR
DISTRIBUTION OF, HEALTH OUTCOMES
SCREENING PROGRAMS - Correct answer-A SECONDARY PREVENTION
ACTIVITY THAT IDENTIFIES RISK FACTORS AND DISEASES IN THEIR
EARLIEST STAGES
©COPYRIGHT 2025, ALL RIGHTS RESERVE 1
,SURVEILLANCE - Correct answer-A MECANISM FOR THE ONGOING
COLLECTION OF HEALTH INFORMATION IN A COMMUNITY
HOST AGENT ENVIRONMENT - Correct answer-EPIDEMIOLOGICAL
TRIANGLE
HOST-A LIVING HUMAN OR ANIMAL ORGANISM IN WHICH AN
INFECTIOUS AGENT CAN EXIST UNDER NATURAL CONDITIONS
AGENT-CAUSATIVE FACTOR INVADING A SUSCEPTIBLE HOST
THROUGH AN ENVIRONMENT FAVORABLE TO PRODUCE DISEASE,
SUCH AS BIOLOGICAL OR CHEMICAL AGENT
ENVIRONMENT-THE ACCUMULATION OF PHYSICAL, SOCIAL,
CULTURAL, ECONOMIC AND POLITICAL CONDITIONS THAT
INFLUENCE THE LIVES OF COMMUNITIES;THAT WHICH SURROUNDS
THE HUMAN HOST AND WHERE TRANSMISSION OF AN INFECTIOUS
AGENT IS OCCURRING
©COPYRIGHT 2025, ALL RIGHTS RESERVE 2
, RATES - Correct answer-ARITHMETIC EXPRESSIONS THAT ALLOW ONE
TO CONSIDER A COUNT OF AN EVENT RELATIVE TO THE SIZE OF THE
POPULATION FROM WHICH IT IS EXTRACTED
INCIDENCE RATES - Correct answer-RATES THAT DESCRIBE THE
OCCURRENCE OF NEW CASES OF DISEASE OR CONDITION (TEEN
PREGNANCY) IN A COMMUNITY OVER A PERIOD OF TIME, RELATIVE
TO THE SIZE OF THE POPULATION AT RISK FOR THAT DISEASE OR
CONDITION DURING THAT SAME PERIOD
PREVALENCE RATE - Correct answer-THE NUMBER OF ALL CASES OF A
SPECIFIC DISEASE OR CONDITION(DEAFNESS) IN A POPULATION AT A
GIVEN POINT IN TIME, RELATIVE TO THE POPULATION AT THE SAME
POINT IN TIME
EPIDEMIOLOGY - Correct answer-THE STUDY OF THE DISTRIBUTION
AND DETERMINANTS OF HEALTH AND DISEASE IN HUMAN
POPULATIONS
ROLES OF THE EPIDEMIOLOGIS - Correct answer-COLLECTION AND
ANALYSIS OF VITAL RECORDS (BIRTHS AND DEATHS)
©COPYRIGHT 2025, ALL RIGHTS RESERVE 3
