Question 1

Why is pyruvate considered a "key glycolytic compound"?

Accepted Answer

A)   It can be metabolized either anaerobically or aerobically.
B)   It has the simplest chemical structure of all the substrates used for energy.
C)   It is the entry point for aerobic metabolism of all carbohydrates, proteins, and fats.
D)   It is more stable than acetyl CoA.Arrange the energy sources muscle glycogen, adipose tissue triglyceride, liver glycogen, and blood glucose in order from the least to the greatest based on the amount of energy stored in the body:…) .A…..B…..C…..D…..Least greatestE) B) and C)
F) A) and C)

Question 2

Muscle glycogen

Accepted Answer

A)   A - least
B)   B - low
C)   C - great
D)   D - greatestArrange the energy systems anaerobic glycolysis, creatine phosphate, oxidative phosphorylation of carbohydrate, and oxidative phosphorylation of fat in order from the slowest to the fastest based on the rate of ATP production:…) .A…..B…..C…..D…..Slowest fastestE) A) and C)
F) C) and D)

Question 3

Oxidative phosphorylation (fat)

Accepted Answer

A)   A - least
B)   B - low
C)   C - great
D)   D - greatestE) A) and B)
F) A) and C)

Question 4

The purpose of beta-oxidation is to ____.

Accepted Answer

A)   ensure that oxidation-reduction reactions remain coupled
B)   stabilize unstable molecules in the mitochondria
C)   add oxygen molecules to the oxidative phosphorylation process as needed
D)   remove two-carbon segments from fatty acids and convert them to acetyl CoAArrange the energy systems anaerobic glycolysis, creatine phosphate, oxidative phosphorylation of carbohydrate, and oxidative phosphorylation of fat in order from the slowest to the fastest based on the rate of ATP production:…) .A…..B…..C…..D…..Slowest fastestE) All of the above
F) A) and B)

Question 5

Adipose tissue triglyceride

Accepted Answer

A)   A - least
B)   B - low
C)   C - great
D)   D - greatestE) B) and C)
F) A) and B)

Question 6

Match the term with its definition.
a.Insulin
b.Oxidized
c.VOS1U1B12S1U1B0 max
d.Palmitate
e.Reduced
f.Alanine
g.Glycogenolysis
h.Lactate
i.Lipolysis
j.RER
-has given up electrons

Accepted Answer

The answer of Match the term with its definition.
a.Insulin
b.Oxidized
c.VOS1U1B12S1U1B0 max
d.Palmitate
e.Reduced
f.Alanine
g.Glycogenolysis
h.Lactate
i.Lipolysis
j.RER
-has...

Question 7

Match the term with its definition.
a.Insulin
b.Oxidized
c.VOS1U1B12S1U1B0 max
d.Palmitate
e.Reduced
f.Alanine
g.Glycogenolysis
h.Lactate
i.Lipolysis
j.RER
-an amino acid that can be oxidized

Accepted Answer

The answer of Match the term with its definition.
a.Insulin
b.Oxidized
c.VOS1U1B12S1U1B0 max
d.Palmitate
e.Reduced
f.Alanine
g.Glycogenolysis
h.Lactate
i.Lipolysis
j.RER
-an...

Question 8

Discuss the oxidative phosphorylation energy system in terms of speed of action, amount of ATP replenished, and duration of action. Explain why this system is aerobic and the differences between utilizing glucose and glycogen.

Accepted Answer

Oxidative phosphorylation is the process...

Question 9

Oxidative phosphorylation is a process that begins with glucose and ends with lactate.

Accepted Answer

A) True 
 B)False

Question 10

Match the term with its definition.
a.Insulin
b.Oxidized
c.VOS1U1B12S1U1B0 max
d.Palmitate
e.Reduced
f.Alanine
g.Glycogenolysis
h.Lactate
i.Lipolysis
j.RER
-a fatty acid that can be oxidized

Accepted Answer

The answer of Match the term with its definition.
a.Insulin
b.Oxidized
c.VOS1U1B12S1U1B0 max
d.Palmitate
e.Reduced
f.Alanine
g.Glycogenolysis
h.Lactate
i.Lipolysis
j.RER
-a...

Question 11

Metabolism of one molecule of which of the following produces the highest number of ATPs?

Accepted Answer

A)   Glucose via anaerobic glycolysis
B)   Glucose via oxidative phosphorylation
C)   Amino acid metabolism (e.g., alanine) 
D)   Fat metabolism (e.g., palmitate) E) B) and D)
F) A) and C)

Question 12

The average O2 max for young adults is approximately _____ ml/kg/min.

Accepted Answer

A)   25-30 for both females and males
B)   35-40 for females and 40-45 for males
C)   45-50 for females and 55-60 for males
D)   > 50 but < 80 for both females and malesE) All of the above
F) B) and C)

Question 13

Which of the following is a true statement about nutrient metabolism in the starvation state?

Accepted Answer

A)   CNS depends primarily on ketones.
B)   Storage of muscle glycogen continues.
C)   Liver makes glucose from lactate.
D)   Fatty acids are stored as triglycerides..E) All of the above
F) B) and D)

Question 14

An RER of 1.0 means that 100% of the fuel used is derived from fat and 0% is derived from carbohydrate.

Accepted Answer

A) True 
 B)False

Question 15

The branched chain amino acids can be relatively easily metabolized by skeletal muscle but they are considered the least preferred fuel source when compared to carbohydrates and fats.

Accepted Answer

A) True 
 B)False

Question 16

The net (final)  ATP production from anaerobic glycolysis is ____.

Accepted Answer

A)   2 ATPs if beginning with glycogen
B)   3 ATPs if beginning with glucose
C)   3 ATPs if beginning with glycogen
D)   38 ATPs if beginning with glucoseE) C) and D)
F) B) and C)

Question 17

Which of the following is a true statement about nutrient metabolism in the fasting state?

Accepted Answer

A)   Fatty acids are stored as triglycerides.
B)   Storage of muscle glycogen is enhanced.
C)   Liver glycogen is depleted.
D)   Amino acids are unlikely used for energy.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 greatestE) None of the above
F) B) and C)

Question 18

Anaerobic glycolysis is the preferred energy system during ____.

Accepted Answer

A)   sustained, repeated sprints
B)   long distance running
C)   short, fast sprints
D)   dance aerobicsE) None of the above
F) All of the above

Question 19

The respiratory exchange ratio (RER) uses the amount of carbon dioxide produced and the amount of oxygen consumed to determine the percentage of energy derived from carbohydrate and fat.

Accepted Answer

A) True 
 B)False

Question 20

When alcohol (ethanol) is consumed at low to moderate levels, the primary pathway is the alcohol dehydrogenase (ADH) pathway.

Accepted Answer

A) True 
 B)False

Exam 3: Energy Systems and Exercise

Adipose tissue triglyceride

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The net (final) ATP production from anaerobic glycolysis is ____.

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Oxidative phosphorylation is a process that begins with glucose and ends with lactate.

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Muscle glycogen

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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 -an amino acid that can be oxidized

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An RER of 1.0 means that 100% of the fuel used is derived from fat and 0% is derived from carbohydrate.

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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 -a fatty acid that can be oxidized

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Discuss the oxidative phosphorylation energy system in terms of speed of action, amount of ATP replenished, and duration of action. Explain why this system is aerobic and the differences between utilizing glucose and glycogen.

Correct AnswerAnswered by ExamLex AIOxidative phosphorylation is the process...View AnswerShow Answer

When alcohol (ethanol) is consumed at low to moderate levels, the primary pathway is the alcohol dehydrogenase (ADH) pathway.

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Which of the following is a true statement about nutrient metabolism in the starvation state?

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The purpose of beta-oxidation is to ____.

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The branched chain amino acids can be relatively easily metabolized by skeletal muscle but they are considered the least preferred fuel source when compared to carbohydrates and fats.

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Metabolism of one molecule of which of the following produces the highest number of ATPs?

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The average O2 max for young adults is approximately _____ ml/kg/min.

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Anaerobic glycolysis is the preferred energy system during ____.

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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 given up electrons

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Why is pyruvate considered a "key glycolytic compound"?

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Oxidative phosphorylation (fat)

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Which of the following is a true statement about nutrient metabolism in the fasting state?

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The respiratory exchange ratio (RER) uses the amount of carbon dioxide produced and the amount of oxygen consumed to determine the percentage of energy derived from carbohydrate and fat.

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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 -an amino acid that can be oxidized

Correct Answer
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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 -a fatty acid that can be oxidized

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Oxidative phosphorylation is the process...
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The average O₂ max for young adults is approximately _____ ml/kg/min.

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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 given up electrons

Correct Answer
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