Use Testlet B to Answer the Following Questions

question 4

Multiple Choice

Use Testlet B to answer The Following questions
TESTLET b
The director of the Vintage Retirement Center contacts the local dental hygienists' society to provide a seminar on oral health. The facility has a population of 100 well residents between the ages of 60 and 78 years who have a middle SES. Twenty percent of the residents are edentulous, and the remaining 80% have varying numbers of teeth present. The oral health assessment results revealed a mean PlI of 2.1, mean DMFT of 5.2, mean D of 0, RCI of 2.1, and untreated root caries of 1.5. Correlation analysis revealed a correlation coefficient of r 0.81 for the relationship between the RCI and PlI in this group. Seventy percent of the residents have a dental home and report having regular dental care. Less than 10% of them report mild signs and symptoms of xerostomia.
-What level of oral hygiene is revealed by the mean PlI?

• A)No plaque present
• B)Slight plaque present
• C)Moderate plaque present
• D)Severe plaque present
• E)Cannot be determined from the information provided

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Definitions:

Primary Amide

Organic compounds containing the functional group -CONH2 attached to a primary alkyl or aryl group.

γ-Butyrolactam

A cyclic amide consisting of a four-carbon ring, used in organic synthesis and pharmaceuticals.

(R)-4-Ethoxypentanenitrile

An enantiomer of a nitrile compound characterized by the presence of an ethoxy group (-OC2H5) on the fourth carbon of a pentane chain.

Propanoic Anhydride

An organic compound derived from propanoic acid, used as a reagent in the synthesis of various organic compounds.