Why Are Cavity Varnishes and Liners Ineffective as Thermal Insulators

question 7

Multiple Choice

Why are cavity varnishes and liners ineffective as thermal insulators?

• A) Used in thin layers
• B) High thermal conductivity
• C) Low coefficient of thermal expansion
• D) High coefficient of thermal expansion

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Definitions:

Tidal Volume

The amount of air that is inhaled or exhaled from the lungs during normal breathing.

Vital Capacity

The maximum amount of air a person can expel from the lungs after first taking the deepest possible breath.

Bohr Effect

A physiological phenomenon where changes in the concentration of carbon dioxide and the pH of blood and other bodily fluids can influence the affinity of hemoglobin for oxygen, thereby affecting oxygen transport.

Functional Capacity

The ability of an individual or system to perform activities or tasks that are essential for daily living or specific functions.