Compared to other nations, the U.S. uses a larger share of its economic resources for health care

Flash burns associated with electricity occur because:

A) air is a moderately good conductor of electricity, generating moderate heat. B) air is an excellent conductor of electricity, generating moderate heat. C) air is mildly resistant to the passage of electricity, generating only enough heat to cause superficial burns. D) air is highly resistant to the passage of electricity, generating intense heat.

All of the following are examples of primary occlusal trauma except one. Which one is the exception?

A) A restoration that is "high" in occlusion B) Trauma (e.g., blow) to the teeth C) Orthodontic movement of tooth D) Insufficient bone support