________ is the chemical breakdown of food into small organic fragments

Which of the following gases would diffuse fastest across the alveolar-capillary membrane?

a. Air b. Carbon dioxide c. O2 d. Nitrogen

While performing the primary assessment on a patient with an isolated spinal cord injury, you note that he is in severe respiratory distress and struggling to breathe. Where should you suspect the spinal cord injury has occurred?

A) Diaphragm B) Cervical spine C) Thoracic spine D) Lumbar spine