A nasogastric (NG) tube is measured from the bridge of the nose to an earlobe, then from the earlobe to the xiphoid process.

Early symptoms of pulmonary edema include all of the following EXCEPT _________

a. shortness of breath upon exertion b. sneezing c. difficulty breathing in positions other than sitting upright d. leg swelling

The movement of oxygen and carbon dioxide across the cell membranes from the capillaries is called:

A) oxygenation. B) external respiration. C) internal respiration. D) dehydration.