The recommended amount of daily carbohydrate for athletes engaged in high-intensity, short-duration exercise is ____.
A) 5 g/kg of body weight
B) 5-7 g/kg of body weight
C) 6-8 g/kg of body weight
D) 8+ g/kg of body weight
Q. 2How do epinephrine and norepinephrine raise blood glucose concentration?
A) They stimulate the conversion of glycogen to glucose.
B) They stimulate amino acid transport to the liver.
C) They mobilize fat stores.
D) They stimulate the conversion of glucose to glycogen.
Q. 3Regular aerobic exercise training affects carbohydrate (CHO) usage by ____.
A) increasing the enzymatic activity associated with glycolysis
B) increasing the number and size of mitochondria
C) decreasing liver glycogen storage so more CHO is stored as muscle glycogen
D) decreasing the oxidative capacity of muscle
Q. 4Exercising muscle prefers to use carbohydrate from ____.
A) blood glucose
B) liver glycogen
C) muscle glycogen
D) any carbohydrate source available (no preference)
Q. 5What is gluconeogenesis?
A) The production of glucose from non-carbohydrate sources.
B) The oxidation of glucose under anaerobic conditions.
C) The maximum amount of glycogen that can be stored.
D) The use of ketone bodies for glucose by the brain.
Q. 6How is carbohydrate consumed in excess converted to fat?
A) Directly, by incorporating the glucose into the triglyceride
B) Directly, by converting glucose to fatty acid molecules
C) Indirectly, by converting glucose to acetyl CoA
D) Indirectly, as a by-product of gluconeogenesis
Q. 7The largest amount of glycogen is stored in ____.
A) skeletal muscle
B) nonskeletal muscle (heart, kidneys)
C) the liver
D) the brain and neurological tissues
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