Question 1

What is the reason that fat yields more calories than carbohydrate or protein?

Accepted Answer

A)   Fat has few carbon-hydrogen bonds. 
B)   Fat contains many carbon-hydrogen bonds that can be readily oxidized. 
C)   Fat is not easily oxidized. 
D)   Fat undergoes many energy-requiring metabolic reactions, thereby increasing its energy yield. 
E)   Fat has a low ratio of carbon to hydrogen bonds.F) C) and E)
G) All of the above

Question 2

When energy-yielding nutrients are consumed in excess,which one(s) are stored in body fat?

Accepted Answer

A)   Fat only 
B)   Carbohydrate only 
C)   Fat and carbohydrate only 
D)   Fat, carbohydrate, and protein 
E)   Protein and fat onlyF) B) and C)
G) C) and D)

Question 3

Once acetyl CoA is formed,it has two main options: to generate ATP or to _____.

Accepted Answer

A)   convert to urea 
B)   make glucose 
C)   make fats 
D)   convert to ammonia 
E)   turn to carbon dioxideF) B) and E)
G) All of the above

Question 4

Which functions are most sensitive to alcohol?

Accepted Answer

A)   Speech and vision 
B)   Judgment and reasoning 
C)   Voluntary muscle control 
D)   Respiration and heart function 
E)   Balance and coordinationF) B) and E)
G) All of the above

Question 5

Discuss the consequences of caffeinated alcoholic beverages.

Accepted Answer

Caffeinated alcoholic beverages can ampl...

Question 6

One way that all the energy-yielding nutrients are alike is that _____

Accepted Answer

A)   They produce energy through entirely different pathways. 
B)   They all go through the Cori cycle. 
C)   They have the same number of hydrogen bonds. 
D)   They share the same final metabolic pathway, the TCA cycle. 
E)   The have the same number of carbon-hydrogen bonds.F) B) and C)
G) A) and E)

Question 7

Briefly describe these parts of a typical cell and their role in energy metabolism nucleus,mitochondria,smooth endoplasmic reticulum,rough endoplasmic reticulum,and the cytoplasm.

Accepted Answer

The nucleus contains the chromosomes,whi...

Question 8

MATCHING
-The part of a triglyceride that is convertible to glucose

Accepted Answer

A)  Ethanol
B)  Urea
C)  MEOS
D)  Water
E)  GlucoseF) EnzymeG) GlycogenH) GlycerolI) AmmoniaJ) CoenzymeK) TCA cycleL) LactateM) ketonemiaN) Acetyl CoAO) F) and J)
P) A) and K)

Question 9

MATCHING
-A protein that accelerates a chemical reaction

Accepted Answer

A)  Ethanol
B)  Urea
C)  MEOS
D)  Water
E)  GlucoseF) EnzymeG) GlycogenH) GlycerolI) AmmoniaJ) CoenzymeK) TCA cycleL) LactateM) ketonemiaN) Acetyl CoAO) None of the above
P) E) and N)

Question 10

Which one of the following statements is a myth about alcohol?

Accepted Answer

A)   The damage alcohol causes depends on the amount consumed, not the type. 
B)   Alcohol is a depressant. 
C)   Alcoholism is related to the quantity and frequency of alcohol consumption, not the type of alcohol consumed. 
D)   A shot of alcohol will warm you up. 
E)   Alcohol is considered a drug.F) A) and C)
G) A) and D)

Question 11

Chronic alcohol abuse has the most dramatic effect on the B vitamin _____.

Accepted Answer

A)   folate 
B)   riboflavin 
C)   B12 
D)   B6 
E)   biotinF) B) and D)
G) A) and E)

Question 12

The name of the process in which green plants use the sun's energy to make carbohydrates from carbon dioxide and water is ______.

Accepted Answer

A)   gluconeogenesis 
B)   photosynthesis 
C)   metabolism 
D)   oxidation 
E)   Electron transportF) None of the above
G) B) and D)

Question 13

Which of the following compounds can be synthesized by carbohydrate,protein,and fat?

Accepted Answer

A)   Lactate 
B)   Glycogen 
C)   Acetyl CoA 
D)   Oxaloacetate 
E)   GlucoseF) B) and D)
G) A) and C)

Question 14

How soon would death occur from starvation if the body was unable to shift to a state of ketosis?

Accepted Answer

A)   Within 3 weeks 
B)   1 month 
C)   2 months 
D)   3 to 4 months 
E)   About 6 monthsF) All of the above
G) B) and E)

Question 15

Describe the two major pathways for metabolism of alcohol in the liver.How does the liver adapt when forced to metabolize high quantities of alcohol on a daily basis?

Accepted Answer

The liver is the primary site of alcohol...

Question 16

What is acetaldehyde?

Accepted Answer

A)   A toxic compound created in alcohol metabolism 
B)   An enzyme used in alcohol metabolism 
C)   A substance in liver that helps detoxify alcohol 
D)   A ketone body 
E)   The final product of alcohol metabolism.F) A) and E)
G) None of the above A

Question 17

The process of converting lactate from muscles to glucose in the liver that can be returned to the muscles is known as the ____________________.

Accepted Answer

Cori cycle

Question 18

Which statement defines a coenzyme?

Accepted Answer

A)   A unit consisting of an enzyme bound to reactants plus ATP 
B)   An organic molecule closely associated with enzymes 
C)   The active part of an enzyme 
D)   An inactive enzyme that becomes functional upon contact with specific cofactors 
E)   An enzyme precursorF) B) and E)
G) A) and E)

Question 19

The process in which fatty acids are taken apart two carbons at a time is known as ______.

Accepted Answer

fatty acid oxidation

Question 20

MATCHING
-A series of metabolic reactions once known as the Krebs cycle

Accepted Answer

A)  Ethanol
B)  Urea
C)  MEOS
D)  Water
E)  GlucoseF) EnzymeG) GlycogenH) GlycerolI) AmmoniaJ) CoenzymeK) TCA cycleL) LactateM) ketonemiaN) Acetyl CoAO) E) and J)
P) L) and M)

Exam 7: Energy Metabolism

What is the reason that fat yields more calories than carbohydrate or protein?

Correct AnswerverifiedShow Answer

When energy-yielding nutrients are consumed in excess,which one(s) are stored in body fat?

Correct AnswerverifiedShow Answer

Once acetyl CoA is formed,it has two main options: to generate ATP or to _____.

Correct AnswerverifiedShow Answer

Which functions are most sensitive to alcohol?

Correct AnswerverifiedShow Answer

Discuss the consequences of caffeinated alcoholic beverages.

Correct AnswerverifiedCaffeinated alcoholic beverages can ampl...View AnswerShow Answer

One way that all the energy-yielding nutrients are alike is that _____

Correct AnswerverifiedShow Answer

Briefly describe these parts of a typical cell and their role in energy metabolism nucleus,mitochondria,smooth endoplasmic reticulum,rough endoplasmic reticulum,and the cytoplasm.

Correct AnswerverifiedThe nucleus contains the chromosomes,whi...View AnswerShow Answer

MATCHING -The part of a triglyceride that is convertible to glucose

Correct AnswerverifiedShow Answer

MATCHING -A protein that accelerates a chemical reaction

Correct AnswerverifiedShow Answer

Which one of the following statements is a myth about alcohol?

Correct AnswerverifiedShow Answer

Chronic alcohol abuse has the most dramatic effect on the B vitamin _____.

Correct AnswerverifiedShow Answer

The name of the process in which green plants use the sun's energy to make carbohydrates from carbon dioxide and water is ______.

Correct AnswerverifiedShow Answer

Which of the following compounds can be synthesized by carbohydrate,protein,and fat?

Correct AnswerverifiedShow Answer

How soon would death occur from starvation if the body was unable to shift to a state of ketosis?

Correct AnswerverifiedShow Answer

Describe the two major pathways for metabolism of alcohol in the liver.How does the liver adapt when forced to metabolize high quantities of alcohol on a daily basis?

Correct AnswerverifiedThe liver is the primary site of alcohol...View AnswerShow Answer

What is acetaldehyde?

Correct AnswerverifiedA

The process of converting lactate from muscles to glucose in the liver that can be returned to the muscles is known as the ____________________.

Correct AnswerverifiedCori cycle

Which statement defines a coenzyme?

Correct AnswerverifiedShow Answer

The process in which fatty acids are taken apart two carbons at a time is known as ______.

Correct Answerverifiedfatty acid oxidation

MATCHING -A series of metabolic reactions once known as the Krebs cycle

Correct AnswerverifiedShow Answer

Correct Answer
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Caffeinated alcoholic beverages can ampl...
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The nucleus contains the chromosomes,whi...
View Answer

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The liver is the primary site of alcohol...
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A

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Cori cycle

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fatty acid oxidation

Correct Answer
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