In a healthy adult at rest at sea level, what is the normal carbon dioxide gradient across the alveolar capillary membrane?

Pelvic muscles provide stabilizing forces and when unbalanced can cause:

a. Sacroiliac joint dysfunction b. Neurovascular entrapments c. Degenerative disc disease d. All of above

All patients should walk into a medical office environment that is comfortable and ________

a. dark b. black c. bright d. plain