The size and complexity of which device makes them unsuitable for measuring energy expenditure for short time intervals, particularly less than 30 minutes?
A) room-size calorimeters
B) metabolic cart
C) simplified portable system
D) doubly labeled water (DLW)
Question 2
Those who respond to creatine supplementation could expect that muscle creatine phosphate concentrations would increase by approximately ____.
a. 5
b. 20
c. 37
d. 50