The ____________________ lymph nodes are located in the upper femoral triangle of the thigh.?

Once air enters the lungs, oxygen and carbon dioxide are exchanged across the respiratory membrane composed of the alveolar and pulmonary capillary walls in a process called:

A) internal respiration. B) external ventilation. C) external respiration. D) internal ventilation.

All of the following are "red flags" for eating disorders with the exception of one. What is the exception?

A) Swollen salivary glands ? B) Mucosal trauma ? C) Enamel demineralization ? D) All of the above