NBDHE NBDHE Community Oral Health Principles 3

Question 1

A dental hygienist conducting a community needs assessment should FIRST:

Accepted Answer

Collect and analyze existing data

Answer

Needs assessment begins with gathering and analyzing existing data to identify gaps before planning interventions.

Question 2

The term 'specificity' in diagnostic testing means the test's ability to:

Accepted Answer

Correctly identify true negatives

Answer

Specificity is the proportion of healthy individuals correctly identified as disease-free (true negative rate).

Question 3

Which type of study design can establish a temporal relationship between exposure and disease?

Accepted Answer

Prospective cohort study

Answer

Prospective cohort studies follow exposed and unexposed groups over time, allowing determination of whether exposure precedes disease onset.

Question 4

Dental sealants are an example of which type of preventive measure?

Accepted Answer

Specific protection

Answer

Sealants are a specific protection measure—they physically block the occlusal pits and fissures to prevent caries initiation.

Question 5

The primary goal of a school-based dental sealant program is to:

Accepted Answer

Reduce caries disparities in underserved children

Answer

School-based sealant programs target high-risk, underserved children to reduce caries disparities and improve oral health equity.

NBDHE Test Practice Test