A peak oxygen consumption of 14 METS in a 200 lb man: a. is equivalent to about 4.5 liters 2 per minute ( 1 liter per minute) b. is sufficiently low enough to suggest cardiac dysfunction c. is equal to a rate of caloric expenditure of about 1 kcal per minute ( .5 kcal per minute) d. both a and b e. none of the above