DH 320 Clinical Theory and Scientific Basis Review Exam Q & A 2026 (Complete And Verified Study material) (19pages) LEARNEXAMS

1. When formulating a dental hygiene diagnostic statement, which

component is essential for prioritizing patient care?

 A. Patient's dental history

 B. Patient's socioeconomic status

 C. Evidence of disease or condition

 D. Patient's level of education

 Answer: C. Evidence of disease or condition is essential as it directly

impacts the diagnosis and subsequent care plan.

2. In the SOAP method of documentation, what does the acronym 'S' stand

for?

 A. Subjective

 B. Summary

 C. Supplemental

 D. Surgical

 Answer: A. 'S' stands for Subjective, which refers to information

reported by the patient.

3. How does diet influence the caries process?

 A. Frequency of eating does not affect caries development.

 B. The texture of food is unrelated to caries risk.

 C. Nutrient-rich diet can prevent caries formation.

 D. High sugar intake increases the risk of caries.

 Answer: D. High sugar intake is a significant dietary factor that

increases the risk of caries.

4. Which advanced non-surgical periodontal therapy involves the use of

localized antibiotics?

 A. Scaling and root planing

 B. Laser therapy

 C. Host modulation therapy

 D. Controlled-release delivery devices

 Answer: D. Controlled-release delivery devices are used to place

localized antibiotics in periodontal pockets.

5. What is the primary purpose of chemotherapeutic agents in periodontal

therapy?

 A. To induce bleeding on probing