Problems with potassium balance are more common but less dangerous than those related to sodium balance

The maxillary, nasal, frontal, ethmoid, and sphenoid bones form the lateral and superior walls of the:

A) mouth. B) sinuses. C) oropharynx. D) nasal cavity.

Which of the following is best described as "the area of contused tissue resulting from penetrating trauma that may be slow to heal due to disrupted blood flow and tissue damage"?

A) Temporary cavity B) Zone of injury C) Zone of coagulation D) Permanent cavity