Chester has chronic obstructive pulmonary disease (COPD). What medication might be suggested for his condition?

The author explains that there has been little research on school sports as learning experiences primarily because

A. coaching organizations have banned all studies of high school athletes. B. most researchers in the sociology of sport have never played sports. C. school principals conduct private learning evaluations among athletes. D. so many people accept without question the great sport myth.

Sodium and ____ are the two major electrolytes that must be monitored.

A. magnesium B. potassium C. chloride D. calcium