NDHCE Community Oral Health 2

Question 1

A dental sealant program is an example of which level of disease prevention?

Accepted Answer

Primary prevention

Answer

Dental sealants are a primary prevention measure because they prevent caries before the disease process begins by creating a physical barrier over susceptible pit-and-fissure surfaces.

Question 2

Which type of study design provides the strongest evidence in epidemiological research?

Accepted Answer

Randomized controlled trial (RCT)

Answer

Randomized controlled trials (RCTs) are considered the gold standard in epidemiological research because randomization minimizes bias and allows causal inferences.

Question 3

In a community oral health program, sensitivity of a diagnostic test refers to:

Accepted Answer

The proportion of individuals with disease who test positive

Answer

Sensitivity measures a test's ability to correctly identify those who have the disease (true positive rate), expressed as the proportion of diseased individuals who test positive.

Question 4

Which term describes the number of new cases of a disease occurring in a population during a specific time period?

Accepted Answer

Incidence

Answer

Incidence measures the rate at which new cases of a disease occur in a population during a defined time period, reflecting disease risk.

Question 5

What is the primary goal of a community needs assessment in dental public health?

Accepted Answer

To identify the oral health problems and resources within a community to guide program planning

Answer

A community needs assessment gathers data on the oral health status, risk factors, resources, and barriers within a community to identify priorities for public health programs.

NDHCE - National Dental Hygiene Certification Examination Practice Test

NDHCE - National Dental Hygiene Certification Examination Practice Test

NDHCE Community Oral Health 2