CSCS Ch 3 Questions with correct answers

The Krebs cycle occurs in which portion of the cell? a. mitochondria b. nucleus c. membrane d. cytoplasm Answer *a. mitochondria The law of mass action states which of the following? a. A stronger action potential cannot produce a stronger contraction. b. The concentrations of reactants or products will drive the direction of the reactions. c. The weight or mass of an object creates a stronger action potential. d. The rate of product formation is greatly influenced by the concentrations of the reactants. Answer *b. The concentrations of reactants or products will drive the direction of the reactions. An aerobic endurance athlete is trying to give himself a competitive edge over his opponents. To improve his lactate threshold, what type of training should he engage in, and in what direction would this shift his threshold? a. long, slow distance; shifts to the left b. high intensity; shifts to the right c. moderate intensity; shifts to the left d. long, slow distance; shifts to the right Answe