* Ch. 18 Endocrine

Follicle cells in the ovary secrete ________ when stimulated by FSH A) estrogen B) progesterone C) testosterone D) inhibin E) gonadotropins

A) estrogen

If a diabetic patient received too much insulin, the low blood sugar could be corrected by injecting A) glucagon B) GHIH. C) thyroid hormone. D) aldosterone. E) antidiuretic hormone.

A) glucagon

When blood glucose levels fall, A) insulin is released. B) glucagon is released. C) peripheral cells take up more glucose. D) protein synthesis increases. E) both glucagon is released and protein synthesis increases

B) glucagon is released.

The zona fasciculata of the suprarenal cortex produces A) androgens. B) glucocorticoids. C) mineralocorticoids. D) epinephrine. E) norepinephrine.

B) glucocorticoids.

The posterior pituitary gland secretes A) FSH. B) TSH. C) ACTH. D) ADH. E) MSH.

D) ADH.

Pinealocytes produce A) MSH. B) FSH. C) LH. D) melanin. E) melatonin.

E) melatonin.

________ are chemical messengers that are released in one tissue and transported in the bloodstream to alter the activities of specific cells in other tissues. A) Hormones B) Neuropeptides C) Neurotransmitters D) Humoral antibodies E) none of these

A) Hormones

The pituitary hormone that triggers the release of thyroid hormone from the thyroid gland is A) TSH. B) ACTH. C) FSH. D) LH. E) GH.

A) TSH.

PRL is to ________ as ACTH is to ________. A) prolactin; corticotropin B) oxytocin; mammotropin C) gonadotropin; mammotropin D) oxytocin; cortisol

A) prolactin; corticotropin

The pituitary hormone that promotes egg development in ovaries and sperm development in testes is A) TSH. B) ACTH. C) FSH. D) LH. E) GH.

C) FSH

Increased levels of the hormone ________ will lead to increased levels of calcium ion in the blood. A) thymosin B) calcitonin C) PTH D) aldosterone E) cortisol

C) PTH

Steroid hormones A) are proteins. B) cannot diffuse through cell membranes. C) bind to receptors in the nucleus of their target cells. D) remain in circulation for relatively short periods of time. E) are transported in the blood dissolved in the plasma.

C) bind to receptors in the nucleus of their target cells.

A hormone that can lower blood levels of calcium ion is A) parathyroid hormone. B) thyroxine. C) calcitonin. D) glucagon. E) oxytocin.

C) calcitonin.

Inability of the pancreas to produce insulin results in A) acromegaly. B) goiter. C) diabetes mellitus. D) diabetes insipidus. E) Addison disease.

C) diabetes mellitus.

Excess secretion of growth hormone during early development will cause A) dwarfism. B) rickets. C) gigantism. D) acromegaly. E) diabetes insipidus.

C) gigantism.

Hormones that dominate during the resistance phase of the general adaptation syndrome (GAS) are the A) mineralocorticoids. B) androgens. C) glucocorticoids. D) catecholamines. E) gonadotropins.

C) glucocorticoids.

The pancreatic hormone that causes blood sugar to enter its target cells is A) somatotropin. B) cortisol. C) insulin. D) glucagon. E) erythropoietin.

C) insulin.

The zona glomerulosa of the suprarenal cortex produces A) androgens. B) glucocorticoids. C) mineralocorticoids. D) epinephrine. E) norepinephrine.

C) mineralocorticoids.

During the alarm phase of the general adaptation syndrome (GAS) there is A) decreased blood flow to skeletal muscles and skin. B) decreased mental alertness. C) mobilization of energy reserves. D) increased urine release. E) decreased rate of respiration.

C) mobilization of energy reserves.

All target cells A) have hormone receptors B) respond to chemical signals C) secrete hormones D) have hormone receptors and respond to chemical signals only E) have hormone receptors, respond to chemical signals, and secrete hormones

D) have hormone receptors and respond to chemical signals only

Thyroid hormone contains the element A) fluorine. B) chlorine. C) iron. D) iodine. E) zinc.

D) iodine.

The condition known as goiter can result from too A) much insulin. B) little TSH. C) much ACTH. D) little iodine in the diet. E) little glucagon.

D) little iodine in the diet.

Cells can respond to ________ hormone(s) at the same time. A) only one B) one or two C) three or less D) many

D) many

http://session.masteringaandp.com/problemAsset/1182833/1/fig1801.jpg Identify the hormone labeled "13." A) LH B) progesterone C) estrogen D) oxytocin E) testosterone

D) oxytocin

Increased aggressive and assertive behavior is associated with an increase in which of these hormones? A) somatostatin B) thyroxine C) growth hormone D) sex hormones E) both growth hormone and sex hormones

D) sex hormones

Hormonal actions on cells include those that affect A) quantities of enzymes. B) activities of enzymes. C) synthesis of enzymes. D) gating of ion channels. E) any of thes

E) any of thes

Inadequate iodine in the diet may lead to A) hypothyroidism. B) cretinism. C) goiter. D) high blood levels of TSH. E) any of these

E) any of these

The pituitary hormone that stimulates milk production by the mammary glands is A) TSH. B) ACTH. C) growth hormone. D) FSH. E) prolactin.

E) prolactin.

Melatonin is produced by the A) thymus. B) pineal gland. C) kidneys. D) skin. E) heart.

B) pineal gland.

A structure known as the corpus luteum secretes A) testosterone. B) progesterone. C) aldosterone. D) cortisone. E) androstenedione.

B) progesterone.

http://session.masteringaandp.com/problemAsset/1182833/1/fig1801.jpg Identify the hormone labeled "4." A) thyroid-releasing hormone B) thyroid-stimulating hormone C) thyroxin D) thyrotropin E) calcitonin

B) thyroid-stimulating hormone

The hormone that plays a pivotal role in setting the metabolic rate and thus impacting body temperature is A) somatotropin. B) thyroxine. C) calcitonin. D) parathyroid hormone. E) glucagon.

B) thyroxine.

The parathyroid glands produce a hormone that A) stimulates the formation of white blood cells. B) increases the level of calcium ions in the blood. C) increases the level of sodium ions in the blood. D) increases the level of potassium ions in the blood. E) increases the level of glucose in the blood.

B) increases the level of calcium ions in the blood.

Reduction of fluid losses at the kidneys due to the retention of Na+ is the action of A) antidiuretic hormone. B) calcitonin. C) aldosterone. D) cortisone. E) oxytocin.

C) aldosterone.

The delta cells of the pancreatic islets produce A) insulin. B) glucagon. C) somatostatin. D) cortisol. E) peptide P.

C) somatostatin

The kidneys secrete A) renin. B) erythropoietin. C) calcitriol. D) all of these E) both erythropoietin and calcitriol

D) all of these

http://session.masteringaandp.com/problemAsset/1182833/1/fig1801.jpg Identify the hormone labeled "1." A) mineralocorticoid B) cortisol C) dopamine D) corticotropin (ACTH) E) aldosterone

D) corticotropin (ACTH)

http://session.masteringaandp.com/problemAsset/1182833/1/fig1801.jpg Use link above to answer the following questions: A deficiency of which hormone can lead to diabetes insipidus? A) 3 B) 7 C) 2 D) 8 E) 14

E) 14

The pituitary hormone that causes the kidney to reduce water loss is A) TSH. B) FSH. C) MSH. D) STH. E) ADH.

E) ADH.

In persons with untreated diabetes mellitus, A) blood glucose levels are very high. B) excessive thirst is shown. C) glucose is present in the urine in large amounts. D) a large excretion of urine occurs. E) all of these

E) all of these

Peptide hormones are A) composed of amino acids. B) produced by the suprarenal glands. C) derived from the amino acid tyrosine. D) lipids. E) chemically related to cholesterol.

A) composed of amino acids.

Alpha cells are to ________ as beta cells are to ________. A) glucagon; insulin B) somatostatin; insulin C) insulin; glucagon D) glucagon; somatostatin E) pancreatic polypeptide; insulin

A) glucagon; insulin

When blood glucose levels rise, A) insulin is released. B) glucagon is released. C) peripheral cells take up less glucose. D) protein synthesis decreases. E) peripheral cells break down glycogen.

A) insulin is released.

The beta cells of the pancreatic islets produce A) insulin. B) glucagon. C) somatostatin. D) cortisol. E) peptide P

A) insulin.

The hormone that may be slowly administered by intravenous drip to accelerate labor and delivery is A) oxytocin. B) prolactin. C) luteinizing hormone. D) just extra fluids. E) both oxytocin and luteinizing hormone.

A) oxytocin.

The primary function of ADH is to A) increase the amount of sodium lost at the kidneys. B) decrease the amount of water lost at the kidneys. C) decrease blood pressure. D) increase digestive absorption. E) delay urination.

B) decrease the amount of water lost at the kidneys.

Mental and physical sluggishness and low body temperature may be signs of A) hyperthyroidism. B) hypothyroidism. C) hyperparathyroidism. D) hypoparathyroidism. E) being a turtle on ice.

B) hypothyroidism.

The hypothalamus controls secretion by the adenohypophysis by A) direct neural stimulation. B) indirect osmotic control. C) secreting releasing and inhibiting factors into a tiny portal system. D) altering ion concentrations and pH in the anterior pituitary. E) gap synaptic junctions.

C) secreting releasing and inhibiting factors into a tiny portal system.

Thyroxine and calcitonin are secreted by the A) kidneys. B) heart. C) thyroid gland. D) gonads. E) pituitary gland.

C) thyroid gland.

http://session.masteringaandp.com/problemAsset/1182833/1/fig1801.jpg Identify the hormone labeled "5." A) thyroid-releasing hormone B) thyroid-stimulating hormone C) thyroxin D) thyrotropin E) parathyroid hormone (PTH)

C) thyroxin