41.Which of the following substances a common product of anaerobic : 1401713.
41.Which of the following substances is a common product of anaerobic metabolism?
42.What is the name of the biochemical pathway that converts lactate to glucose?
43.How much time spent in vigorous activity is usually needed to deplete glycogen reserves?
44.Which of these descriptions best characterizes the Cori cycle?
a.a process in the liver that regenerates glucose from lactate released by muscles
b.a sequence of coordinated muscle contractions of slow-twitch and fast-twitch fibres
c.an exercise machine that allows development of both aerobic and anaerobic capacities
d.a group of enzymatic reactions that accelerate muscle glycogen repletion in trained athletes
45.Typically, during the first 20 minutes of moderate exercise, the body uses available glycogen in about which of the follow percentages?
46.When a marathon runner experiences the phenomenon known as “hitting the wall,” which of these nutrients is most likely depleted?
47.Which of the following promotes the most rapid repletion of glycogen stores after physical activity?
a.mixed meal taken within 30 minutes
b.mixed meal taken within 4 hours
c.high-carbohydrate meal taken within 15 minutes
d.high-carbohydrate meal taken within 2½ hours
48.Which of the following is a characteristic of the rate of glycogen synthesis after a bout of strenuous training?
a.It is maximal beginning 2 hours after training.
b.It proceeds at an even pace over the next 24 hours.
c.It slows two hours after training by almost 50 percent..
d.It steadily increases over the four hours following training.
49.Glycogen repletion following a bout of strenuous training is increased most by foods high in which macronutrient?
b.low glycemic index carbohydrate
c.high glycemic index carbohydrate
50.Which of the following walking speeds is considered a moderate rate of exercise?
a.14-16 km per hour
b.10-12km per hour
c.5-7 km per hour
d.2-3 km per hour