Creatine phosphate in muscle cells a is utilized during the excess post-exercise oxygen consumption (EPOC) phase of exercise b can release its energy when needed to convert ADP to ATP c is replenished during the O2 deficit phase of exercise d supplies energy once the glycolytic system runs out e all of the above

Creatine phosphate in muscle cells a is utilized during the excess post-exercise oxygen consumption (EPOC) phase of exercise b can release its energy when needed to convert ADP to ATP c is replenished during the O2 deficit phase of exercise d supplies energy once the glycolytic system runs out e all of the above

Lifetime Physical Fitness & Wellness

15th Edition

ISBN:9781337677509

Author:HOEGER

Publisher:HOEGER

Chapter9: Personal Fitness Programming

Section: Chapter Questions

Problem 2AYK

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Jogging is considered aerobic exercise because the cardiovascular system (heart and blood vessels) can adjust to supply the oxygen needs of working cells. In contrast, sprinting the 100-meter dash might be called anaerobic (lacking oxygen) exercise, and golf nonaerobic exercise. Explain these last two observations.
Which of the following is not produced by an animal muscle cell operating under anaerobic conditions? a. heat b. pyruvate c. PGAL d. ATP e. lactate f. oxygen
An athlete participates in aerobic exercise three times a week. One of the changes is an increased ability to deliver oxygen to her skeletal muscles. Over time she notices that she can continue the exercise with greater intensity and duration. The reason for this change is that there is a(n) a. greater response from phosphate transfer. b. greater production of ATP from glycolysis and less from aerobic cellular respiration. c. greater production of ATP from aerobic cellular respiration. d. increased production of lactate.
The Lactate (anaerobic) threshold Group of answer choices occurs at a higher intensity of exercise with endurance training is unchanged by endurance training is decreased following endurance exercise training is eliminated after aerobic exercise training
I do not know which diagram is for this question but please see and answer this question. I need help Question: Which of the following statements regarding carbohydrate and fat metabolism during exercise is true? A: plasma glucose contributes more to energy provision than does muscle glycogen at 85% Vo2 max B: the utilization of fat as an energy source is greatest at the highest exercise intensities e.g. greater than 85% VO2 max C: carbohydrate supplementation during moderately intense exercise (eg. 70-80% VO2 max) can help one to exercise longer until the onset of fatigue D: the greatest amount of glycogen is used at around 65% VO2 max
Which of the following would contribute to “glycogen sparing/preservation” during prolonged exercise? a. Dietary consumption of glucose during the exercise bout b. Cori cycle c. An increase in the number of mitochondria in the skeletal muscle d. All of the above e. Only B and C are correct
Which of the following is a valid statement about lactate? a. Is responsible for the burning sensation in the muscles during exercise b. Primarily produced as a result of insufficient oxygen availability in the cell c. Causes DOMS after rigorous exercise d. “Metabolic waste product” produced during exercise e. Ice massage should be employed after exercise to flush lactate out of the skeletal muscle after exercise f. None of the above are true g. Both A and B are true
In the presence of high ratio of NADH/NAD in a muscle cell glucose will continue towards which metabolic pathway: a. Formation of lactic acid b. Formation of acetyl CoA c. Storage of glycogen d. Production of 34 ATP + H20 and CO2 e. Krebs cycle
Name the primary sources of ATP for:a. Immediate energy for a few secondsb. Energy extending to about 15 secondsc. Energy for up to 1 minute.d. Energy extending for around an hour of exercise and beyond.
In an isometric contraction, the muscle ________." shortens without a load does not change in length but increases tension is not stimulated by a motor neuron is unable form cross-bridges and fails to develop tension Which method of regenerating ATP is used in a very short duration activity, such as a 100m sprint, because it is the most rapid method of regenerating ATP?" aerobic respiration in the mitochondria glycolysis in the mitochondria anaerobic respiration in the cytoplasm (or cytosol) breaking a phosphate bond on phosphocreatine The metabolic pathway that results in the production of two net ATPs per glucose plus two pyruvic acid molecules ________. only occurs within the mitochodria is called glycolysis only occurs when there is no oxygen present is the main method of generating ATP for maximum effort activities that last 1-2 Where does overÊ95% of a skeletal muscle cell's energyÊcome from during both rest andÊmoderate exercise? creatine phosphate lactic acid anaerobic…
Skeletal muscles account for approximately 43% of the typical body mass. At rest, they use about 18% of the BMR. Of the total energy burned by the skeletal muscle, only 25% is used for work, and this is the muscular efficiency. What happens to the remaining 75% of energy? Choose the best answer. It is reabsorbed and stored for later use. It is transferred as electrical energy from the muscle to muscle. It is converted to heat to warm the body. It is used to make more ATP.
If one were to infuse lactate into the blood stream during exercise via an I.V. catheter, which of the following physiological events would be observed? a. A significant increase in the burning sensation experienced in the lungs during rigorous exercise b. A decrease in exercise time to exhaustion (fatigue faster) c. An increase in liver gluconeogenic activity d. All of the above e. Only A and B are correct

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	a	is utilized during the excess post-exercise oxygen consumption (EPOC) phase of exercise
	b	can release its energy when needed to convert ADP to ATP
	c	is replenished during the O₂ deficit phase of exercise
	d	supplies energy once the glycolytic system runs out
	e	all of the above