The process in which amino acids are used to synthesize glucose in liver cells is
called:
A) glycolysis.
B) glycogenolysis.
C) glycogenesis.
D) gluconeogenesis.
E) proteolysis. - ANSWER D
Which hormone stimulates ketone synthesis when excess fatty acids are delivered to
the liver?
A)insulin
B)glucagon
C)cortisol
D)epinephrine
E)C-peptide - ANSWER B
Which body cells are a main storage area for glucose as glycogen?
A) adipose tissue
B) neurons
C) liver cells
D) kidney tubule cells
E) pancreatic beta cells - ANSWER C
Which of the following statements is NOT correct regarding lipolysis?
A) Lipolysis is stimulated by epinephrine.
B) Lipolysis is inhibited by glucagon.
C) Lipolysis involves the breakdown of triglycerides into glycerol and fatty acids.
D) Lipolysis occurs in adipose tissue and liver cells.
E) Lipolysis is catalyzed by the enzyme lipase. - ANSWER B
Which of the following statements regarding the pancreas is correct?
A) The pancreas is located posterior to the liver.
B) The exocrine pancreas releases insulin and glucagon.
C) The endocrine pancreas releases digestive enzymes.
D) Cells of the endocrine pancreas comprise the majority of pancreatic cells.
,E) Pancreatic islets contain beta, alpha, delta and F cells. - ANSWER E
Insulin:
A) is released approximately every 15 minutes in small amounts.
B) targets all body cells.
C) is synthesized in alpha cells of the pancreatic islets.
D) is released into the circulation as proinsulin.
E) is released into the pancreatic duct - ANSWER A
Which of the following inhibits insulin release from beta cells?
A) exercise
B) high blood glucose levels
C) parasympathetic stimulation of beta cells
D) sulfonylurea drugs used to treat type 2 diabetes
E) digestive enzymes such as glucose-dependent insulinotropic peptid - ANSWER
A
Immediately after eating a meal, one would normally expect to find:
A) high blood glucagon levels.
B) high blood ketone levels.
C) an increased rate of lipolysis.
D) an increased rate of glycogenesis.
E) an increased rate of gluconeogenesis. - ANSWER D
Which of the following is an effect of insulin?
A) Insulin increases the number of GLUT-4 transporters in liver cells.
B) Insulin stimulates glycogenolysis and gluconeogenesis in liver cells.
C) Insulin stimulates the storage of glucose as glycogen in adipose tissue cells.
D) Insulin stimulates lipid uptake and triglyceride synthesis in adipose tissue cells.
E) Insulin stimulates the breakdown of muscle proteins. - ANSWER D
What is the main target cell for glucagon?
A) muscle cells
B) brain cells
C) liver cells
, D) alpha cells
E) beta cells - ANSWER C
TRUE or FALSE - 90% of body energy is stored as triglycerides in fat cells of the
body.
A)True
B)False - ANSWER A
Dietary carbohydrates are stored as glycogen in skeletal muscle and:
A) nervous tissue.
B) the kidney.
C) the liver.
D) the spleen.
E) smooth muscle. - ANSWER C
Which of the following has the highest caloric content of all nutrients?
A) triglycerides
B) carbohydrates
C) proteins - ANSWER A
Which hormone promotes the storage of triglycerides in adipose tissue?
A) epinephrine
B) cortisol
C) glucagon
D) insulin
E) growth hormone - ANSWER D
What cell type functions in the synthesis, storage and mobilization of lipids?
A) fibroblasts
B) adipocytes
C) skeletal muscle cells
D) cardiac muscle cells
E) pancreatic cells - ANSWER B
Which of the following is NOT a macronutrient?
called:
A) glycolysis.
B) glycogenolysis.
C) glycogenesis.
D) gluconeogenesis.
E) proteolysis. - ANSWER D
Which hormone stimulates ketone synthesis when excess fatty acids are delivered to
the liver?
A)insulin
B)glucagon
C)cortisol
D)epinephrine
E)C-peptide - ANSWER B
Which body cells are a main storage area for glucose as glycogen?
A) adipose tissue
B) neurons
C) liver cells
D) kidney tubule cells
E) pancreatic beta cells - ANSWER C
Which of the following statements is NOT correct regarding lipolysis?
A) Lipolysis is stimulated by epinephrine.
B) Lipolysis is inhibited by glucagon.
C) Lipolysis involves the breakdown of triglycerides into glycerol and fatty acids.
D) Lipolysis occurs in adipose tissue and liver cells.
E) Lipolysis is catalyzed by the enzyme lipase. - ANSWER B
Which of the following statements regarding the pancreas is correct?
A) The pancreas is located posterior to the liver.
B) The exocrine pancreas releases insulin and glucagon.
C) The endocrine pancreas releases digestive enzymes.
D) Cells of the endocrine pancreas comprise the majority of pancreatic cells.
,E) Pancreatic islets contain beta, alpha, delta and F cells. - ANSWER E
Insulin:
A) is released approximately every 15 minutes in small amounts.
B) targets all body cells.
C) is synthesized in alpha cells of the pancreatic islets.
D) is released into the circulation as proinsulin.
E) is released into the pancreatic duct - ANSWER A
Which of the following inhibits insulin release from beta cells?
A) exercise
B) high blood glucose levels
C) parasympathetic stimulation of beta cells
D) sulfonylurea drugs used to treat type 2 diabetes
E) digestive enzymes such as glucose-dependent insulinotropic peptid - ANSWER
A
Immediately after eating a meal, one would normally expect to find:
A) high blood glucagon levels.
B) high blood ketone levels.
C) an increased rate of lipolysis.
D) an increased rate of glycogenesis.
E) an increased rate of gluconeogenesis. - ANSWER D
Which of the following is an effect of insulin?
A) Insulin increases the number of GLUT-4 transporters in liver cells.
B) Insulin stimulates glycogenolysis and gluconeogenesis in liver cells.
C) Insulin stimulates the storage of glucose as glycogen in adipose tissue cells.
D) Insulin stimulates lipid uptake and triglyceride synthesis in adipose tissue cells.
E) Insulin stimulates the breakdown of muscle proteins. - ANSWER D
What is the main target cell for glucagon?
A) muscle cells
B) brain cells
C) liver cells
, D) alpha cells
E) beta cells - ANSWER C
TRUE or FALSE - 90% of body energy is stored as triglycerides in fat cells of the
body.
A)True
B)False - ANSWER A
Dietary carbohydrates are stored as glycogen in skeletal muscle and:
A) nervous tissue.
B) the kidney.
C) the liver.
D) the spleen.
E) smooth muscle. - ANSWER C
Which of the following has the highest caloric content of all nutrients?
A) triglycerides
B) carbohydrates
C) proteins - ANSWER A
Which hormone promotes the storage of triglycerides in adipose tissue?
A) epinephrine
B) cortisol
C) glucagon
D) insulin
E) growth hormone - ANSWER D
What cell type functions in the synthesis, storage and mobilization of lipids?
A) fibroblasts
B) adipocytes
C) skeletal muscle cells
D) cardiac muscle cells
E) pancreatic cells - ANSWER B
Which of the following is NOT a macronutrient?
