Exsc 463 final exam - Study guides, Class notes & Summaries

Which of the following athletes would perform best during an upcoming endurance event (e.g. marathon)? A. Bob weighs 80 kg and has a VO2max of 4.0 L/min. B. Bill weighs 75 kg and has a VO2max of 3.75 L/min C. Matt weighs 65 kg, has VO2max of 4.0 L/min and a LT equivalent to 75% of his VO2max. D. Micah weighs 75 kg, has a VO2max of 4.8 L/min and a LT equivalent to 70% of his VO2max. 121 - ANSWER C. Matt weighs 65 kg, has VO2max of 4.0 L/min and a LT equivalent to 75% of his VO2max.

neurotransmitter binds to a receptor and causes an excitatory response. In this example, the cell membrane will _____. - ANSWER hypopolarize Normal contractions of intact whole skeletal muscle _____. - ANSWER are tetanic in nature Adrenergic receptors (alpha and beta) bind with _____. - ANSWER NE and EPI

Skeletal muscle glycogenolysis helps maintain blood glucose levels. True False 140 - ANSWER False Which of the following would increase activity of a rate limiting enzyme during exercise? A. An increase in pH. B. A decrease in pH. C. An increase in NE and EPI. D. An increase in PCO2. E. A decrease in PO2. F. D and E G. B, C, D and E - ANSWER B. A decrease in pH????????????????

Following the lipolysis of triglycerides in adipose tissue, _____. - ANSWER the fatty acids enter the muscle cells and are metabolized to form ATP and most of the glycerol is transported to the liver where it is converted to glucose The lipolysis of a triglyceride in adipose tissue results in _____. - ANSWER the formation of three fatty acids and one glycerol

After glucose enters the skeletal muscle cell and is phosphorylated, what what two things can then happen to it - ANSWER 1. Undergo Glycolysis - Brokendown to Pyruvate 2. Undergo Glycogenesis - Stored as Glycogen Where is glycogen store in the body - ANSWER - Liver -Skeletal Muscle Difference between: a) glycogen stored in the liver and b) glycogen stored in skeletal muscle - ANSWER a) can undergo glycogenolysis and be transported from the liver to maintain blood glucose levels b) Canno...