Use Testlet C to Answer the Following Questions

question 39

Multiple Choice

Use Testlet C to answer The Following questions
TESTLET c
A public health dental hygienist has been contacted by the local farm bureau because of a large number of worker absences caused by oral health issues. The population has low SES, is homogeneous, and does not have access to a community water supply. The hygienist decides to gather information via oral screenings conducted on a sample of the population. Findings indicate a mean DMFT score of 13.4, a mean OHI-S of 2.5, and a mean CPI of 3.1 with no clinical evidence of recession.
-What is the BEST interpretation of the reported CPI score of 3.1?

• A)The average score of the population was 3.1
• B)The majority of scores were within 3.1 of the mean
• C)The middle score was 3.1
• D)The most commonly occurring score was 3.1
• E)The range of scores was 0 to 3.1

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Definitions:

Servo-type Hydraulic Drum Brake

A braking system which combines hydraulic pressure and mechanical servo action to increase braking efficiency, often found in vehicles.

Non-servo Type Brake

A brake design that relies purely on mechanical force without the aid of hydraulic pressure or servo mechanisms, typically found in simpler braking systems.

Trailing Shoe

A part of drum brake system, it is the brake shoe that is located at the rear of the wheel cylinder and faces away from the direction of rotation.