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The removal of the anterior pituitary gland would result in all of the following except


A) a decrease in the body's ability to lower blood calcium levels.
B) a decrease in the ability to stimulate the adrenal cortex.
C) milk production.
D) production of the sex hormones.

E) A) and C)
F) A) and D)

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Which of the following statements about steroid hormones is NOT true?


A) Estrogen is a steroid hormone.
B) Steroid hormones do not bind to cell surface receptors.
C) The hormone-receptor complex can enter the nucleus.
D) The hormone-receptor complex can bind to chromatin.
E) Steroid hormones act faster than non-steroid (peptide) hormones.

F) B) and E)
G) A) and B)

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Which of the following mineralcorticoid is responsible for regulating blood volume and pressure?


A) aldosterone
B) cortisol
C) T3
D) T4
E) Calcitonin

F) A) and B)
G) D) and E)

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Which of the following statements about hormones is NOT true?


A) Hormones are secreted into the bloodstream.
B) Hormones are released from exocrine glands.
C) Hormones may be classified as peptides or steroids.
D) Hormones usually affect a target organ.
E) Cells that react to a hormone have specific receptors for that hormone.

F) A) and D)
G) C) and E)

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The pituitary gland controls the hypothalamus by the production of antidiuretic hormones.

A) True
B) False

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Which of the following statements about hormones is correct?


A) Non-steroid hormones activate an enzyme cascade.
B) Steroid hormones regulate the production of a particular protein.
C) Non-steroid hormones are either amino acids, peptides, or proteins.
D) Steroid hormones all have four carbon rings with different side chains.
E) All of the choices are correct.

F) A) and B)
G) A) and D)

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Removal of the anterior pituitary would result in a decrease in the following functions:


A) production of eggs and sperm, stimulation of the thyroid, cell division and production of glucocorticoids
B) production of eggs and sperm, control of the circadian rhythm, cell division and production of glucocorticoids
C) melatonin levels, stimulation of the thyroid, cell division and production of glucocorticoids
D) production of eggs and sperm, stimulation of the thyroid, maturation of T lymphocytes and production of glucocorticoids

E) A) and B)
F) All of the above

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What hormone stimulates the production of cortisol?


A) growth hormone
B) adrenocorticotropic hormone
C) gonadotropic hormone
D) thyroid-stimulating hormone
E) antidiuretic hormone

F) B) and C)
G) A) and B)

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A researcher has isolated a chemical released by men that reduces premenstrual nervousness and tension in women. This is an example of (a)


A) insulin.
B) cortisol.
C) pheromone.
D) prostaglandin.
E) nerve growth factor.

F) A) and E)
G) A) and B)

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Which of the following characteristics or actions are associated with a steroid hormone?


A) cyclic AMP
B) the second messenger
C) production of new proteins
D) activation of proteins present in an inactive form
E) binding of a protein to a surface receptor on the plasma membrane

F) B) and E)
G) All of the above

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Uncommonly large feet, hands, chin, nose, and eyebrow ridges on a normal-sized body are characteristic of the condition ______, that is caused by ______.


A) Cushing's syndrome; adrenal cortex hormones
B) Addison's disease; atrial natriuretic hormone
C) gigantism; overproduction of growth hormone in children
D) pituitary dwarfism; hyposecretion of growth hormone in children
E) acromegaly; overproduction of growth hormone in adults

F) B) and E)
G) A) and B)

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The level of sodium in the blood is regulated by the secretion of the mineralocorticoid


A) oxytocin.
B) insulin.
C) cortisol.
D) aldosterone.
E) ACTH.

F) B) and E)
G) A) and E)

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Explain why a person will develop a simple goiter if they have an insufficient amount of salt in their diet.

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Most salt used today contains iodine. Io...

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Which of the following is an example of a negative feedback mechanism in regards to hormone regulation?


A) ADH is released from the pituitary causing water to be reabsorbed in the kidneys.
B) A baby suckles in order to stimulate milk production.
C) The uterine contractions during labor stimulate oxytocin production.
D) All of these are examples of a negative feedback mechanism.
E) None of these are examples of a negative feedback mechanism.

F) D) and E)
G) B) and D)

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The graph pictured below depicts blood glucose changes after eating a meal. The pink line, drawn with square symbols, represents normal variations in glucose levels after a meal. The black line, drawn with diamond symbols, represents levels seen in diabetes mellitus. Differentiate between the normal and abnormal blood glucose levels after a meal and briefly explain the reason for the abnormality. The graph pictured below depicts blood glucose changes after eating a meal. The pink line, drawn with square symbols, represents normal variations in glucose levels after a meal. The black line, drawn with diamond symbols, represents levels seen in diabetes mellitus. Differentiate between the normal and abnormal blood glucose levels after a meal and briefly explain the reason for the abnormality.

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Answers may vary. In the healthy person,...

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Which of the following endocrine glands does NOT produce its own hormones, but stores hormones produced by the hypothalamus?


A) thyroid
B) adrenal cortex
C) adrenal medulla
D) posterior pituitary
E) anterior pituitary

F) C) and E)
G) C) and D)

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The over secretion of ______ by the thyroid gland can result in _______________.


A) T3, hyperthyroidism
B) T3, hypothyroidism
C) T4, hypothyroidism
D) calcitonin, hyperthyroidism
E) parathyroid hormone, Grave's disease

F) C) and E)
G) C) and D)

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Which of the following is not an endocrine gland?


A) pituitary
B) hypothalamus
C) thymus
D) testes
E) All are endocrine glands.

F) A) and B)
G) A) and E)

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Which is the correct order of hormone secretion in response to inflammation?


A) The hypothalamus stimulates the anterior pituitary to produce ACTH which causes the adrenal cortex to secrete cortisol.
B) The hypothalamus stimulates the anterior pituitary to produce ACTH which causes the adrenal cortex to secrete aldosterone.
C) The anterior pituitary stimulates the hypothalamus to produce ACTH which causes the adrenal cortex to secrete cortisol.
D) The hypothalamus stimulates the anterior pituitary to produce ANH which causes the adrenal cortex to secrete cortisol.
E) The hypothalamus stimulates the anterior pituitary to produce ANH which causes the adrenal cortex to secrete aldosterone.

F) B) and E)
G) A) and E)

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Simple goiter can be prevented by


A) surgery to remove the thyroid gland.
B) removal of the pituitary.
C) administration of ACTH.
D) administration of insulin.
E) increasing intake of iodine in the diet.

F) A) and E)
G) A) and B)

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