Question 1

Matching 
Choose the correct answer from the list. Not all the answers will be used.
-______ is the degradation product of glucose, fatty acids, and ketogenic amino acids.

Accepted Answer

A)  α-adrenergic  receptor
B)  β-adrenergic  receptor
C)  Cori cycle
D)  urea cycle
E)  leptinF) phosphataseG) liverH) hormonesI) acetyl CoAJ) ketone bodiesK) ureaL) kidneyM) brainN) pancreasO) D) and H)
P) D) and E)

Question 2

Matching 
Choose the correct answer from the list. Not all the answers will be used.
-Following prolonged starvation, ______ are used as fuel by the brain.

Accepted Answer

A)  α-adrenergic  receptor
B)  β-adrenergic  receptor
C)  Cori cycle
D)  urea cycle
E)  leptinF) phosphataseG) liverH) hormonesI) acetyl CoAJ) ketone bodiesK) ureaL) kidneyM) brainN) pancreasO) F) and N)
P) F) and I)

Question 3

Which of the following is TRUE regarding pancreatic  β\betaβ cells?

Accepted Answer

A)  Insulin is secreted by the  β\betaβ  cells in response to the increase in  β\betaβ  cell glucose receptor binding.
B)  Glucagon is secreted by the  β\betaβ  cells in response to the increase in  β\betaβ  cell glucose receptor binding.
C)  Insulin is secreted by the  β\betaβ  cells in response to high glucose levels.
D)  Insulin is secreted by the  β\betaβ cells in response to low glucose levels.
E)  Glucagon is secreted by the  β\betaβ cells in response to high glucose levels. F) All of the above
G) B) and C)

Question 4

Which of the following are effects of insulin secretion?
I.Muscle and adipose tissue are stimulated to take up glucose.
II.Glycogen synthesis increases in the liver.
III.Gluconeogenesis is inhibited in the liver and kidney.
IV.Lipolysis increases in the adipose tissue.

Accepted Answer

A)  I, II
B)  I
C)  I, II, III
D)  I, III
E)  II, IVF) A) and C)
G) All of the above

Question 5

Type 2 diabetes
I.can develop due to a mutation in the insulin receptor
II.can develop in individuals with insulin resistance.
III.results in hypersensitivity to insulin release.
IV.are treated with drugs that decrease AMPK activity.

Accepted Answer

A)  I, II, IV
B)  I, II
C)  II, IV
D)  III, IV
E)  I, IVF) B) and C)
G) A) and D)

Question 6

Which of the following is FALSE relating to leptin?

Accepted Answer

A)  Obese mice lacking leptin tend to overeat.
B)  Leptin seems to function by different mechanisms in mice and humans.
C)  Obesity in humans leads to a decrease in leptin production.
D)  Obesity leads to leptin resistance.
E)  none of the aboveF) All of the above
G) A) and E)

Question 7

Glucose is the preferred fuel of muscles because

Accepted Answer

A)  it can be metabolized under anaerobic conditions.
B)  it can be generated from ketone bodies even during starvation.
C)  the heart muscle uses glucose exclusively as a fuel.
D)  it is the most efficient energy storage available.
E)  all of the aboveF) All of the above
G) B) and C)

Question 8

Which of the following statements is TRUE regarding the blood glucose level of non-insulin dependent diabetics tend to compare to that of normal individuals?

Accepted Answer

A)  Blood glucose levels of diabetics tend to be very stable, but at a higher level.
B)  Blood glucose levels of diabetics tend to be variable and higher.
C)  Blood glucose levels decrease more rapidly following a meal, often dropping lower than is tolerable.
D)  Blood glucose levels average the same level in diabetics, but reach higher peaks for short periods.
E)  none of the aboveF) None of the above
G) C) and D)

Question 9

Activation of AMPK activity is

Accepted Answer

A)  accomplished by AMP induced conformational changes facilitating phosphorylation.
B)  accomplished by ATP induced conformational change facilitating phosphorylation.
C)  inhibited by high levels of AMP due to conformational changes burying the phosphorylation site.
D)  increased by high levels of ATP due to conformational changes burying the phosphorylation site.
E)  none of the aboveF) C) and D)
G) A) and E)

Question 10

Which of the following mechanisms for ATP regeneration are listed in order utilized?

Accepted Answer

A)  glycolysis, phosphocreatine, oxidative phosphorylation
B)  phosphocreatine, glycolysis, oxidative phosphorylation
C)  phosphocreatine, oxidative phosphorylation, glycolysis,
D)  phosphocreatine, oxidative phosphorylation, glycolysis, gluconeogenesis
E)  none of the aboveF) A) and D)
G) None of the above

Exam 22: Mammalian Fuel Metabolism: Integration and Regulation

Type 2 diabetes I.can develop due to a mutation in the insulin receptor II.can develop in individuals with insulin resistance. III.results in hypersensitivity to insulin release. IV.are treated with drugs that decrease AMPK activity.

Correct Answer
verified

Which of the following are effects of insulin secretion? I.Muscle and adipose tissue are stimulated to take up glucose. II.Glycogen synthesis increases in the liver. III.Gluconeogenesis is inhibited in the liver and kidney. IV.Lipolysis increases in the adipose tissue.

Correct Answer
verified

Glucose is the preferred fuel of muscles because

Correct Answer
verified

Matching Choose the correct answer from the list. Not all the answers will be used. -Following prolonged starvation, ______ are used as fuel by the brain.

Correct Answer
verified

Activation of AMPK activity is

Correct Answer
verified

Matching Choose the correct answer from the list. Not all the answers will be used. -______ is the degradation product of glucose, fatty acids, and ketogenic amino acids.

Correct Answer
verified

Which of the following is FALSE relating to leptin?

Correct Answer
verified

Which of the following statements is TRUE regarding the blood glucose level of non-insulin dependent diabetics tend to compare to that of normal individuals?

Correct Answer
verified

Which of the following is TRUE regarding pancreatic $\beta$ cells?

Correct Answer
verified

Which of the following mechanisms for ATP regeneration are listed in order utilized?

Correct Answer
verified

Exam 22: Mammalian Fuel Metabolism: Integration and Regulation

Type 2 diabetes I.can develop due to a mutation in the insulin receptor II.can develop in individuals with insulin resistance. III.results in hypersensitivity to insulin release. IV.are treated with drugs that decrease AMPK activity.

Correct AnswerverifiedShow Answer

Which of the following are effects of insulin secretion? I.Muscle and adipose tissue are stimulated to take up glucose. II.Glycogen synthesis increases in the liver. III.Gluconeogenesis is inhibited in the liver and kidney. IV.Lipolysis increases in the adipose tissue.

Correct AnswerverifiedShow Answer

Glucose is the preferred fuel of muscles because

Correct AnswerverifiedShow Answer

Matching Choose the correct answer from the list. Not all the answers will be used. -Following prolonged starvation, ______ are used as fuel by the brain.

Correct AnswerverifiedShow Answer

Activation of AMPK activity is

Correct AnswerverifiedShow Answer

Matching Choose the correct answer from the list. Not all the answers will be used. -______ is the degradation product of glucose, fatty acids, and ketogenic amino acids.

Correct AnswerverifiedShow Answer

Which of the following is FALSE relating to leptin?

Correct AnswerverifiedShow Answer

Which of the following statements is TRUE regarding the blood glucose level of non-insulin dependent diabetics tend to compare to that of normal individuals?

Correct AnswerverifiedShow Answer

Which of the following is TRUE regarding pancreatic β\betaβ cells?

Correct AnswerverifiedShow Answer

Which of the following mechanisms for ATP regeneration are listed in order utilized?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which of the following is TRUE regarding pancreatic $\beta$ cells?

Correct Answer
verified

Correct Answer
verified