In the backbend or trunk extension test, the backbend is the distance measured between the floor and the client's ____________________

Which of the following statements is true if metabolism increases?

a. PaCO2 will rise even if ventilation increas-es. b. The single-breath CO2 curve (SBCO2) in-creases if ventilation does not. c. The volumetric CO2 tracing will not change even if ventilation increases. d. CO2 production decreases proportionally.

Which of the following terms also refers to the dentogingival unit?

A) Junctional epithelium + gingival fibers B) Sulcular depth + sulcular epithelium C) Periodontal ligament + gingival fibers D) Periodontal ligament + biologic width