Alveolar cells produce a detergent-like lipid-protein complex, called _____, which is responsible for reducing the surface tension of alveolar fluid and discourages alveolar collapse.

During internal respiration, the partial pressure of oxygen in the tissues is _____ the partial pressure of oxygen in systemic arterial blood; free oxygen moves down its concentration gradient, leaving the blood and entering the tissues.

As cells metabolize glucose and use oxygen, partial pressure of carbon dioxide increases causing _____.

Which exercise has been shown to increase patellofemoral joint forces, and therefore should be avoided in the early stages of rehab? 

When referring to chemical factors that affect depth and rate of breathing, _____ are the most powerful respiratory stimulant.

Following FAI surgery, what are the most common directives from the surgeon regarding weight bearing status? (select all) 

During gait analysis, it is observed that the patient has a loss of hip extension during terminal stance.  Further assessment reveals a capsular endfeel.  To increase hip extension mobility, describe a joint mobilization and exercise you would incorporate to address this restriction.  

Following surgery for femoral acetabular impingement, the following hip ROM should be limited in the early stages of rehab: 

During inspiration, the thoracic cavity volume _____ and intrapulmonary pressure _____.

Which of the following motions describe closed-chain subtalar joint pronation?