HESI: community dental health
section exam questions and answers
what measure is the most common of dispersion?
a. mean
b. mode
c. range
d. standard deviation -
correct answer ✅d. standard deviation
which study uses a survey method to measure and describe the
presence and distribution of a disease in a population at one time?
a. analytical
b. clinical trial
c. descriptive
d. experimental -
correct answer ✅c. descriptive
which occurrence of an illness is in excess of normal expectancy in a
community, usually occurring suddenly and spreading rapidly?
a. endemic
b. epidemic
c. pandemic
,HESI: community dental health
section exam questions and answers
d. systematic -
correct answer ✅b. epidemic
which sampling consists of selecting an element according to
certain subgroups?
a. convenience
b. judgement
c. random
d. stratified -
correct answer ✅d. stratified
which amount of untreated caries is in a population at the time of
examination?
a. caries incidence
b. caries prevalence
c. dental neglect
d. primary caries -
correct answer ✅a. caries incidence
,HESI: community dental health
section exam questions and answers
which parametric statistic determines whether statistically
significant differences occur when comparing more than two mean
scores?
a. analysis of variance (ANOVA)
b. chi-square test
c. p-value
d. t-test -
correct answer ✅d. t-test
which level of prevention describes a hygienist demonstrating
toothbrushing and flossing, and reviewing nutrition?
a. primary
b. secondary
c. tertiary -
correct answer ✅a. primary
which level of government is the National Institute of Health (NIH)?
a. federal
b. international
c. local
, HESI: community dental health
section exam questions and answers
d. state -
correct answer ✅a. federal
which coefficient has the strongest correlation?
a. 0.4
b. 0.6
c. -0.2
d. -0.9 -
correct answer ✅d. -0.9
which technique best surveys a large population of 8th grade boys
regarding their oral health habits?
a. interview
b. prospective study
c. questionnaire
d. survey -
correct answer ✅d. survey
which level of prevention is placing fluoride varnish on an incipient
lesion?
section exam questions and answers
what measure is the most common of dispersion?
a. mean
b. mode
c. range
d. standard deviation -
correct answer ✅d. standard deviation
which study uses a survey method to measure and describe the
presence and distribution of a disease in a population at one time?
a. analytical
b. clinical trial
c. descriptive
d. experimental -
correct answer ✅c. descriptive
which occurrence of an illness is in excess of normal expectancy in a
community, usually occurring suddenly and spreading rapidly?
a. endemic
b. epidemic
c. pandemic
,HESI: community dental health
section exam questions and answers
d. systematic -
correct answer ✅b. epidemic
which sampling consists of selecting an element according to
certain subgroups?
a. convenience
b. judgement
c. random
d. stratified -
correct answer ✅d. stratified
which amount of untreated caries is in a population at the time of
examination?
a. caries incidence
b. caries prevalence
c. dental neglect
d. primary caries -
correct answer ✅a. caries incidence
,HESI: community dental health
section exam questions and answers
which parametric statistic determines whether statistically
significant differences occur when comparing more than two mean
scores?
a. analysis of variance (ANOVA)
b. chi-square test
c. p-value
d. t-test -
correct answer ✅d. t-test
which level of prevention describes a hygienist demonstrating
toothbrushing and flossing, and reviewing nutrition?
a. primary
b. secondary
c. tertiary -
correct answer ✅a. primary
which level of government is the National Institute of Health (NIH)?
a. federal
b. international
c. local
, HESI: community dental health
section exam questions and answers
d. state -
correct answer ✅a. federal
which coefficient has the strongest correlation?
a. 0.4
b. 0.6
c. -0.2
d. -0.9 -
correct answer ✅d. -0.9
which technique best surveys a large population of 8th grade boys
regarding their oral health habits?
a. interview
b. prospective study
c. questionnaire
d. survey -
correct answer ✅d. survey
which level of prevention is placing fluoride varnish on an incipient
lesion?
