Question 1

Which of the following represents the overall reaction for aerobic respiration?

Accepted Answer

A)   C6H12O6 + 6 H2O → 6 CO2 + 6 O2
B)   C6H12O6 + 6 O2 → 6 CO2 + 6 H2O
C)   C6H12O6 + 6 CO2 → 6 O2 + 6 H2O
D)   6 CO2 + 6 H2O → C6H12O6 + 6 O2
E)   6 O2+ 6 H2O → C6H12O6 + 6 CO2F) A) and B)
G) A) and C)

Question 2

Minerals are __________,whereas vitamins are __________.

Accepted Answer

A)   micronutrients;macronutrients
B)   water-soluble elements;lipid-soluble compounds
C)   inorganic elements;organic compounds
D)   inessential nutrients;essential nutrients
E)   incomplete nutrients;complete nutrientsF) A) and B)
G) A) and C)

Question 3

Which of the following occurs during the postabsorptive state?

Accepted Answer

A)   Blood glucose rises
B)   Glycerol is used for gluconeogenesis
C)   Lipids are stored in adipose tissue
D)   Glucose is stored by glycogenesis
E)   Protein synthesis is activeF) D) and E)
G) A) and D)

Question 4

Most of the fat in the body is stored in what form?

Accepted Answer

A)   LDL
B)   HDL
C)   Cholesterol
D)   Triglycerides
E)   Fatty acidsF) None of the above
G) A) and E)

Question 5

Which vitamin deficiency is the most common worldwide?

Accepted Answer

A)   Vitamin A
B)   Vitamin B6 (pyridoxine) 
C)   Vitamin C
D)   Vitamin D
E)   Vitamin EF) A) and B)
G) A) and D)

Question 6

Fatty acids are catabolized through which process?

Accepted Answer

A)   Beta oxidation
B)   Ketogenesis
C)   Lipogenesis
D)   Lipolysis
E)   The fat-sparing effectF) A) and B)
G) A) and C)

Question 7

What is the quickest physiological mechanism for achieving moderate heat loss?

Accepted Answer

A)   Convection
B)   Cutaneous vasoconstriction
C)   Nonshivering thermogenesis
D)   Cutaneous vasodilation
E)   DiaphoresisF) A) and E)
G) A) and D)

Question 8

Which of the following is not a function of the liver?

Accepted Answer

A)   Glycogenesis
B)   Detoxification
C)   Phagocytosis
D)   Secretion of digestive enzymes
E)   Synthesis of plasma proteinsF) All of the above
G) A) and B)

Question 9

Which metabolic process produces ammonia?

Accepted Answer

A)   Beta oxidation of α-ketoglutaric acid
B)   Lipolysis
C)   Transamination of urea
D)   Amination of keto acids
E)   Deamination of glutamic acidF) B) and C)
G) A) and B)

Question 10

Where does HDL in the body come from?

Accepted Answer

A)   The diet
B)   The liver
C)   The pancreas
D)   The small intestine
E)   The gallbladderF) A) and B)
G) A) and E)

Question 11

The inner membrane of a mitochondrion contains the protein __________,which harnesses the energy created by H+ flow to produce ATP by a process called __________.

Accepted Answer

A)   enzyme complex;reduction
B)   ATP synthase;oxidation
C)   enzyme complex;proton pumping
D)   ATP synthase;the chemiosmotic mechanism
E)   cytochrome c;reductionF) C) and D)
G) All of the above

Question 12

Norepinephrine stimulates cravings for carbohydrates,whereas endorphins stimulate cravings for proteins.

Accepted Answer

A) True 
 B)False

Question 13

What process produces most of the NADH that contributes to ATP synthesis in the cell?

Accepted Answer

A)   Glycolysis
B)   The citric acid cycle
C)   Anaerobic fermentation
D)   The mitochondrial proton pumps
E)   The electron transfer from FADH2F) A) and C)
G) A) and B)

Question 14

Which of the following occurs during the absorptive state?

Accepted Answer

A)   Glucagon levels increase
B)   Blood glucose falls
C)   Fatty acids are oxidized for fuel
D)   Lipolysis is occurring
E)   Gluconeogenesis is suppressedF) B) and E)
G) C) and D)

Question 15

Which of the following does not raise the total metabolic rate?

Accepted Answer

A)   Starvation
B)   Anxiety
C)   Fever
D)   Eating a big meal
E)   PregnancyF) D) and E)
G) A) and E)

Question 16

How is the basal metabolic rate (BMR) different from the total metabolic rate (TMR) ?

Accepted Answer

A)   The BMR includes the TMR.
B)   The TMR includes the BMR.
C)   The BMR is calculated when one is asleep.
D)   The BMR includes energy expenditures for muscular contractions.E) All of the above
F) A) and D)

Question 17

Which of the following is true concerning oxygen in regards to aerobic respiration?

Accepted Answer

A)   It transports electrons to the mitochondrion.
B)   It directly transfers electrons and protons to NAD+ and FAD.
C)   It directly receives electrons and protons from NAD+ and FAD.
D)   It is the only substrate of aerobic respiration.
E)   It is the final electron acceptor in aerobic respiration.F) B) and D)
G) A) and E)

Question 18

The liver performs all of the following functions except __________.

Accepted Answer

A)   converting ammonia to urea
B)   carrying out most beta oxidation
C)   producing insulin and glucagon
D)   synthesizing cholesterol
E)   synthesizing glucose from fats and amino acidsF) B) and E)
G) A) and E)

Question 19

Which of the following results in heat exhaustion?

Accepted Answer

A)   Extreme electrolyte loss via sweat
B)   Denaturation of proteins in the brain tissue
C)   Excessive heat loss from the body
D)   A high rate of conduction and convection
E)   A high humidity that retards evaporative coolingF) C) and D)
G) D) and E)

Question 20

Both glycogenesis and gluconeogenesis are examples of catabolic reactions.

Accepted Answer

A) True 
 B)False

Exam 26: Nutrition and Metabolism

Which vitamin deficiency is the most common worldwide?

Correct AnswerverifiedShow Answer

What process produces most of the NADH that contributes to ATP synthesis in the cell?

Correct AnswerverifiedShow Answer

Which of the following results in heat exhaustion?

Correct AnswerverifiedShow Answer

Which of the following does not raise the total metabolic rate?

Correct AnswerverifiedShow Answer

What is the quickest physiological mechanism for achieving moderate heat loss?

Correct AnswerverifiedShow Answer

Fatty acids are catabolized through which process?

Correct AnswerverifiedShow Answer

Which of the following occurs during the postabsorptive state?

Correct AnswerverifiedShow Answer

Which of the following represents the overall reaction for aerobic respiration?

Correct AnswerverifiedShow Answer

The liver performs all of the following functions except __________.

Correct AnswerverifiedShow Answer

Which of the following occurs during the absorptive state?

Correct AnswerverifiedShow Answer

How is the basal metabolic rate (BMR) different from the total metabolic rate (TMR) ?

Correct AnswerverifiedShow Answer

Most of the fat in the body is stored in what form?

Correct AnswerverifiedShow Answer

Which metabolic process produces ammonia?

Correct AnswerverifiedShow Answer

Which of the following is not a function of the liver?

Correct AnswerverifiedShow Answer

The inner membrane of a mitochondrion contains the protein __________,which harnesses the energy created by H+ flow to produce ATP by a process called __________.

Correct AnswerverifiedShow Answer

Norepinephrine stimulates cravings for carbohydrates,whereas endorphins stimulate cravings for proteins.

Correct AnswerverifiedShow Answer

Where does HDL in the body come from?

Correct AnswerverifiedShow Answer

Minerals are __________,whereas vitamins are __________.

Correct AnswerverifiedShow Answer

Which of the following is true concerning oxygen in regards to aerobic respiration?

Correct AnswerverifiedShow Answer

Both glycogenesis and gluconeogenesis are examples of catabolic reactions.

Correct AnswerverifiedShow Answer

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The inner membrane of a mitochondrion contains the protein ,which harnesses the energy created by H⁺ flow to produce ATP by a process called .

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Minerals are ,whereas vitamins are .

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