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Exam 3: Energy Systems and Exercise

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Question 21

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Which of the following is a true statement regarding the function of creatine phosphate (CrP) ?

A) It functions in exactly the same way as ATP.
B) CrP directly powers muscle contraction.
C) CrP rapidly replenishes ATP.
D) It is the most prevalent high-energy phosphate in the body.
Arrange the energy systems anaerobic glycolysis, creatine phosphate, oxidative phosphorylation of carbohydrate, and oxidative phosphorylation of fat in order from the least to the greatest based on total capacity for ATP production:
…) .A…..B…..C…..D…..
Least greatest

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Question 22

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Oxidative phosphprylation is the preferred energy system during ____.

A) sustained, repeated sprints
B) very heavy weight lifting
C) short, fast sprints
D) dance aerobics

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Question 23

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Explain how the energy systems may be used by the body under different exercise or activity conditions but remain integrated.

Liver glycogen

Fast-twitch muscle fibers are also called glycolytic because of their reliance on anaerobic energy systems.

The purpose of the three energy systems is to use chemical energy to re-form ATP.

The major function of the Krebs cycle portion of oxidative phosphorylation is to produce moderate to large amounts of ATP.

The greatest influence on maximal oxygen consumption is ____.

Discuss the concept of maximal oxygen consumption or VO₂ max. In your discussion, be sure to explain what it is, how it is measured, how it is expressed, and what significance it has, particularly for endurance athletes.

Exercising muscle prefers to use glycogen rather than glucose because the net yield of ATP is greater.

Match the term with its definition. a.Insulin b.Oxidized c.VO₂ max d.Palmitate e.Reduced f.Alanine g.Glycogenolysis h.Lactate i.Lipolysis j.RER -maximal oxygen consumption

Transamination and deamination refer to the metabolism of ____.

Once pyruvate is converted to lactate in the muscle it cannot be converted back.

How many chemical steps are required for the rephosphorylation of ATP by creatine phosphate?

Match the term with its definition. a.Insulin b.Oxidized c.VO₂ max d.Palmitate e.Reduced f.Alanine g.Glycogenolysis h.Lactate i.Lipolysis j.RER -end product of glycolysis

Match the term with its definition. a.Insulin b.Oxidized c.VO₂ max d.Palmitate e.Reduced f.Alanine g.Glycogenolysis h.Lactate i.Lipolysis j.RER -has accepted electrons

When alcohol consumption is high, the primary pathway for the metabolism of alcohol is the ____.

When an individual is in a fed state (the time when nutrients are being absorbed) , which hormone exerts the most influence?

Free radicals (molecules with unpaired electrons) are most likely to occur during ____.

The process of giving up electrons is called ____.