Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

Which of these processes is essential for all of the rest to happen?

Accepted Answer

A)  glycolysis
B)  citric acid (Krebs)  cycle
C)  lactic acid reduction
D)  electron-transport chain
E)  anaerobic fermentationF) A) and B)
G) A) and C)

Question 3

Most body fat in overweight people is stored in the integumentary system.

Accepted Answer

A) True 
 B)False

Question 4

Only approximately % of the energy in the glucose molecule winds up in ATP, the rest is lost as body heat.

Accepted Answer

A)  10
B)  20
C)  40
D)  80
E)  98F) A) and D)
G) A) and B)

Question 5

Both glycogenesis and gluconeogenesis are examples of catabolism.

Accepted Answer

A) True 
 B)False

Question 6

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) B) and C)

Question 7

The first step in using amino acids as fuel is to them.

Accepted Answer

A)  digest
B)  deaminate
C)  transaminate
D)  aminate
E)  synthesizeF) A) and B)
G) A) and C)

Question 8

The liver performs all of the following functions except

Accepted Answer

A)  glycogenesis.
B)  detoxification.
C)  phagocytosis.
D)  secretion of digestive enzymes.
E)  synthesis of plasma proteins.F) A) and D)
G) A) and C)

Question 9

The heat-promoting center is located in the hypothalamus, which triggers shivering.

Accepted Answer

A) True 
 B)False

Question 10

Fats should account for about percent of the daily caloric intake.

Accepted Answer

A)  5
B)  10
C)  30
D)  50
E)  60F) B) and C)
G) A) and D)

Question 11

The loss of body heat by conduction can be enhanced by

Accepted Answer

A)  radiation.
B)  evaporation.
C)  nonshivering thermogenesis.
D)  shivering thermogenesis.
E)  convection.F) C) and D)
G) B) and D)

Question 12

Consumption of excess calories during adulthood causes adipocytes to multiply.

Accepted Answer

A) True 
 B)False

Question 13

are short term regulators of appetite, whereas is a long-term regulator.

Accepted Answer

A)  Insulin and cholecystokinin (CCK) ; peptide YY (PYY) 
B)  Peptide YY (PYY)  and insulin; cholecystokinin (CCK) 
C)  Peptide YY (PYY)  and cholecystokinin (CCK) ; insulin
D)  Leptin and insulin; cholecystokinin (CCK) 
E)  Leptin and insulin; peptide YY (PYY) F) A) and D)
G) A) and B)

Question 14

A nude body at a room temperature of 21°C (70°F)  loses most of its heat by

Accepted Answer

A)  evaporation.
B)  conduction.
C)  convection.
D)  radiation.
E)  forced convection.F) C) and E)
G) A) and C)

Question 15

Shivering warms the body because it increases the rate of

Accepted Answer

A)  radiation.
B)  conduction.
C)  ATP hydrolysis.
D)  vasodilation.
E)  glycolysis.F) A) and B)
G) C) and E) C

Question 16

Fatty acids are catabolized by a process called

Accepted Answer

A)  beta oxidation.
B)  ketogenesis.
C)  lipogenesis.
D)  lipolysis.
E)  the fat-sparing effect.F) A) and E)
G) B) and E) A

Question 17

The quickest physiological mechanism for achieving moderate heat loss is

Accepted Answer

A)  convection.
B)  cutaneous vasoconstriction.
C)  nonshivering thermogenesis.
D)  cutaneous vasodilation.
E)  diaphoresis.F) None of the above
G) C) and E)

Question 18

The highest rate of tissue protein turnover happens in the

Accepted Answer

A)  intestinal mucosa.
B)  gastric mucosa.
C)  hepatic sinusoids.
D)  splenic sinusoids.
E)  pancreatic islets.F) B) and D)
G) B) and E)

Question 19

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 E)

Question 20

The absorptive state lasts about fifteen minutes after a meal.

Accepted Answer

A) True 
 B)False  False

Exam 26: Nutrition and Metabolism

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

Correct AnswerverifiedShow Answer

Which of these processes is essential for all of the rest to happen?

Correct AnswerverifiedShow Answer

Most body fat in overweight people is stored in the integumentary system.

Correct AnswerverifiedShow Answer

Only approximately % of the energy in the glucose molecule winds up in ATP, the rest is lost as body heat.

Correct AnswerverifiedShow Answer

Both glycogenesis and gluconeogenesis are examples of catabolism.

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

The first step in using amino acids as fuel is to them.

Correct AnswerverifiedShow Answer

The liver performs all of the following functions except

Correct AnswerverifiedShow Answer

The heat-promoting center is located in the hypothalamus, which triggers shivering.

Correct AnswerverifiedShow Answer

Fats should account for about percent of the daily caloric intake.

Correct AnswerverifiedShow Answer

The loss of body heat by conduction can be enhanced by

Correct AnswerverifiedShow Answer

Consumption of excess calories during adulthood causes adipocytes to multiply.

Correct AnswerverifiedShow Answer

are short term regulators of appetite, whereas is a long-term regulator.

Correct AnswerverifiedShow Answer

A nude body at a room temperature of 21°C (70°F) loses most of its heat by

Correct AnswerverifiedShow Answer

Shivering warms the body because it increases the rate of

Correct AnswerverifiedC

Fatty acids are catabolized by a process called

Correct AnswerverifiedA

The quickest physiological mechanism for achieving moderate heat loss is

Correct AnswerverifiedShow Answer

The highest rate of tissue protein turnover happens in the

Correct AnswerverifiedShow Answer

Minerals are , whereas vitamins are .

Correct AnswerverifiedShow Answer

The absorptive state lasts about fifteen minutes after a meal.

Correct AnswerverifiedFalse

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C

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A

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False