Which of the following types of doors consists of vertical and horizontal members that frame a rectangular area, with wood or glass within the framed area?

Which of the following is true concerning expiration?

A) The ribs move upward and outward. B) The chest cavity increases in size. C) The intercostal muscles contract to force air out of the lungs. D) The diaphragm moves upward.

CPT surgical package rules apply to all Level I CPT-4 codes

Indicate whether the statement is true or false