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BCH 3025 Exam 4 Questions with Detailed
Verified Answers
24. An elevated insulin level in the blood:
A) inhibits glucose uptake by the liver.
B) inhibits glycogen synthesis in the liver and muscle.
C) results from a below-normal blood glucose level.
D) stimulates glycogen breakdown in liver.
E) stimulates synthesis of fatty acids and triacylglycerols in the liver.
Ans: E
25. Which of the following is not involved in triggering insulin from -cells release in
response to glucose?
A) Reduced efflux through ATP-gated K+-channels
B) Increased concentrations of ATP
C) cAMP-dependent phosphorylation of lipase
D) Phosphorylation of glucose to glucose-6-phosphate
E) Increased Ca2+ levels
Ans: C
26. The largest energy store in a well-nourished human is:
A) ATP in all tissues.
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B) blood glucose.
C) liver glycogen.
D) muscle glycogen.
E) triacylglycerols in adipose tissue.
Ans: E
27. Elevated epinephrine levels do not normally stimulate:
A) fatty acid mobilization in adipose tissue.
B) gluconeogenesis in liver.
C) glycogen breakdown in muscle.
D) glycogen synthesis in liver.
E) glycolysis in muscle.
Ans: D
28. Epinephrine triggers an increased rate of glycolysis in muscle by:
A) activation of hexokinase.
B) activation of phosphofructokinase-1.
C) conversion of glycogen phosphorylase a to glycogen phosphorylase b.
D) inhibition of the Cori cycle
E) the Pasteur effect
Ans: B
29. Long-term maintenance of body weight is regulated by the hormone:
A) adiposin.
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B) hypothalmin.
C) leptin.
D) obesin.
E) testosterone
Ans: C
30. Which of the following effects is not mediated by the protein leptin?
A) Increased synthesis of uncoupler protein thermogenin
B) Decreased activity of the enzyme 5´-AMP-activated protein kinase (AMPK)
C) Increased activity of the sympathetic nervous system
D) Increased -oxidation
E) Decreased desire to eat
Ans: B
31. The hormone leptin _____appetite; insulin _____appetite.
A) increases; increases
B) increases; decreases
C) decreases; increases
D) decreases; decreases
E) has no effect on; has no effect on
Ans: D
32. The peptide hormone adiponectin, produced in adipose tissue, circulates in the
blood and:
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A) enhances fatty acid synthesis in liver cells.
B) increases the rate of -oxidation of fatty acids in muscle cells.
C) inhibits glucose uptake and catabolism in muscle and liver cells.
D) reduces the transport of fatty acids into muscle cells.
E) stimulates gluconeogenesis in liver cells.
Ans: B
33. Which of the following is not a peptide hormone?
A) Grehlin
B) Insulin
C) Adiponectin
D) PPAR
E) PYY3-36
Ans: D
34. Which of the following hormones stimulates appetite?
A) Grehlin
B) Insulin
C) Adiponectin
D) Both A and B
E) Both A and C
Ans: E
35. Which of the following is not a mechanism for treating diabetes?
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BCH 3025 Exam 4 Questions with Detailed
Verified Answers
24. An elevated insulin level in the blood:
A) inhibits glucose uptake by the liver.
B) inhibits glycogen synthesis in the liver and muscle.
C) results from a below-normal blood glucose level.
D) stimulates glycogen breakdown in liver.
E) stimulates synthesis of fatty acids and triacylglycerols in the liver.
Ans: E
25. Which of the following is not involved in triggering insulin from -cells release in
response to glucose?
A) Reduced efflux through ATP-gated K+-channels
B) Increased concentrations of ATP
C) cAMP-dependent phosphorylation of lipase
D) Phosphorylation of glucose to glucose-6-phosphate
E) Increased Ca2+ levels
Ans: C
26. The largest energy store in a well-nourished human is:
A) ATP in all tissues.
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,Click here for more: Scholars nexus
B) blood glucose.
C) liver glycogen.
D) muscle glycogen.
E) triacylglycerols in adipose tissue.
Ans: E
27. Elevated epinephrine levels do not normally stimulate:
A) fatty acid mobilization in adipose tissue.
B) gluconeogenesis in liver.
C) glycogen breakdown in muscle.
D) glycogen synthesis in liver.
E) glycolysis in muscle.
Ans: D
28. Epinephrine triggers an increased rate of glycolysis in muscle by:
A) activation of hexokinase.
B) activation of phosphofructokinase-1.
C) conversion of glycogen phosphorylase a to glycogen phosphorylase b.
D) inhibition of the Cori cycle
E) the Pasteur effect
Ans: B
29. Long-term maintenance of body weight is regulated by the hormone:
A) adiposin.
© Get it right 2025 Getaway - Stuvia US All rights reserved
,Click here for more: Scholars nexus
B) hypothalmin.
C) leptin.
D) obesin.
E) testosterone
Ans: C
30. Which of the following effects is not mediated by the protein leptin?
A) Increased synthesis of uncoupler protein thermogenin
B) Decreased activity of the enzyme 5´-AMP-activated protein kinase (AMPK)
C) Increased activity of the sympathetic nervous system
D) Increased -oxidation
E) Decreased desire to eat
Ans: B
31. The hormone leptin _____appetite; insulin _____appetite.
A) increases; increases
B) increases; decreases
C) decreases; increases
D) decreases; decreases
E) has no effect on; has no effect on
Ans: D
32. The peptide hormone adiponectin, produced in adipose tissue, circulates in the
blood and:
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A) enhances fatty acid synthesis in liver cells.
B) increases the rate of -oxidation of fatty acids in muscle cells.
C) inhibits glucose uptake and catabolism in muscle and liver cells.
D) reduces the transport of fatty acids into muscle cells.
E) stimulates gluconeogenesis in liver cells.
Ans: B
33. Which of the following is not a peptide hormone?
A) Grehlin
B) Insulin
C) Adiponectin
D) PPAR
E) PYY3-36
Ans: D
34. Which of the following hormones stimulates appetite?
A) Grehlin
B) Insulin
C) Adiponectin
D) Both A and B
E) Both A and C
Ans: E
35. Which of the following is not a mechanism for treating diabetes?
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