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When blood glucose levels rise, as in the "fed" state

When blood glucose levels rise, as in the "fed" state,

A) only insulin is released.

B) only glucagon is released.

C) only peripheral cells take up less glucose.

D) only protein synthesis decreases.

E) All of these answers are correct.

32) When blood glucose levels fall,

A) only insulin is released.

B) only glucagon is released.

C) only peripheral cells take up less glucose.

D) only protein synthesis decreases.

E) All of these answers are correct.

33) The feeding and satiety centers are located in the

A) medulla oblongata.

B) pons.

C) hypothalamus.

D) cerebrum.

E) cerebellum.

34) During the absorptive state,

A) the liver forms glycogen.

B) adipocytes contribute fatty acids to the circulation.

C) skeletal muscles break down glycogen.

D) glucagon levels are elevated.

E) All of these answers are correct.

35) During starvation,

A) carbohydrate utilization increases.

B) gluconeogenesis accelerates.

C) there is a decline in circulating ketone bodies.

D) structural proteins cannot be used as a potential energy source.

E) All of these answers are correct.

36) The brain can use ________ for energy.

A) only glucose

B) only fats

C) only ketones

D) only lactate

E) both glucose and ketones

37) Which of the following factors increases basal metabolic rate?

A) only thyroid hormones

B) only acetylcholine

C) only insulin

D) only epinephrine

E) thyroid hormones and epinephrine

38) Insulin secretion

A) is stimulated by sympathetic neurons.

B) decreases in response to elevated amino acid concentrations.

C) is stimulated by parasympathetic neurons.

D) is inhibited by GLP-1.

E) None of these answers are correct.

39) A primary target tissue for insulin is the

A) brain only.

B) liver only.

C) intestine only.

D) brain and liver.

E) brain, liver, and intestine.

40) GLUT4 transporters are

A) only stored in cytoplasmic vesicles.

B) only inserted in response to glucagon.

C) only inserted into the plasma membrane by endocytosis.

D) only found in adipose and skeletal muscles.

E) stored in cytoplasmic vesicles and found in adipose and skeletal muscles.

Dec 11 2019 Read more Less More

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