© 2018 Pearson Education, Inc.

Question: Which of the following mechanisms of cellular communication involves a cell signaling itself? Direct Paracrine Endocrine Autocrine Answer: d © 2018 Pearson Education, Inc.

Question: Which of the following mechanisms of cellular communication involves a cell signaling itself? Direct Paracrine Endocrine Autocrine © 2018 Pearson Education, Inc.

Question: Which of the following hormones is classified as a steroid? Melatonin Calcitriol Epinephrine Thyroxine Answer: b © 2018 Pearson Education, Inc.

Question: Which of the following hormones is classified as a steroid? Melatonin Calcitriol Epinephrine Thyroxine © 2018 Pearson Education, Inc.

Question: Which of these types of hormones binds to a plasma membrane receptor? Peptide hormone Thyroid hormone Steroid hormone Eicosanoid Answer: a © 2018 Pearson Education, Inc.

Question: Which of these types of hormones binds to a plasma membrane receptor? Peptide hormone Thyroid hormone Steroid hormone Eicosanoid © 2018 Pearson Education, Inc.

Question: Which of the following is activated by a steroid hormone? G protein ATP production Genes (DNA) Open Ca2+ channels Answer: c © 2018 Pearson Education, Inc.

Question: Which of the following is activated by a steroid hormone? G protein ATP production Genes (DNA) Open Ca2+ channels © 2018 Pearson Education, Inc.

Question: Which hormone is derived from tryptophan? Thyroxine Epinephrine Calcitriol Melatonin Answer: d © 2018 Pearson Education, Inc.

Question: Which hormone is derived from tryptophan? Thyroxine Epinephrine Calcitriol Melatonin © 2018 Pearson Education, Inc.

Question: Which of the following hormones is suppressed by increased levels of estrogen? Luteinizing hormone Thyroid-stimulating hormone Thyroid hormone Gonadotropin-releasing hormone Answer: a © 2018 Pearson Education, Inc.

Question: Which of the following hormones is suppressed by increased levels of estrogen? Luteinizing hormone Thyroid-stimulating hormone Thyroid hormone Gonadotropin-releasing hormone © 2018 Pearson Education, Inc.

Question: Which of the following is directly controlled by regulating hormones secreted by the hypothalamus? Thyroid gland Posterior pituitary gland Anterior pituitary gland Adrenal gland Answer: c © 2018 Pearson Education, Inc.

Question: Which of the following is directly controlled by regulating hormones secreted by the hypothalamus? Thyroid gland Posterior pituitary gland Anterior pituitary gland Adrenal gland © 2018 Pearson Education, Inc.

Question: What two specific endocrine structures are connected by a portal system? Hypothalamus, anterior lobe of the pituitary Hypothalamus, posterior lobe of the pituitary Anterior lobe of the pituitary, posterior lobe of the pituitary Hypothalamus, pituitary Answer: a © 2018 Pearson Education, Inc.

Question: What two specific endocrine structures are connected by a portal system? Hypothalamus, anterior lobe of the pituitary Hypothalamus, posterior lobe of the pituitary Anterior lobe of the pituitary, posterior lobe of the pituitary Hypothalamus, pituitary © 2018 Pearson Education, Inc.

Question: What is the final target hormone stimulated by secretion of CRH by the hypothalamus? Epinephrine ACTH Cortisol Aldosterone Answer: c © 2018 Pearson Education, Inc.

Question: What is the final target hormone stimulated by secretion of CRH by the hypothalamus? Epinephrine ACTH Cortisol Aldosterone © 2018 Pearson Education, Inc.

Question: What hormone is produced by liver cells in response to growth hormone? Luteinizing hormone Cortisol Arginine vasopressin Somatomedins Answer: d © 2018 Pearson Education, Inc.

Question: What hormone is produced by liver cells in response to growth hormone? Luteinizing hormone Cortisol Arginine vasopressin Somatomedins © 2018 Pearson Education, Inc.

Question: What element is particularly required for the manufacture of thyroxine? Iron Iodine Sodium Calcium Answer: b © 2018 Pearson Education, Inc.

Question: What element is particularly required for the manufacture of thyroxine? Iron Iodine Sodium Calcium © 2018 Pearson Education, Inc.

Question: How is thyroxine stored by the cells that manufacture it? As thyroglobulin In lipid vacuoles Within secretory vesicles Within the bloodstream Answer: a © 2018 Pearson Education, Inc.

Question: How is thyroxine stored by the cells that manufacture it? As thyroglobulin In lipid vacuoles Within secretory vesicles Within the bloodstream © 2018 Pearson Education, Inc.

Question: What hormone is secreted when blood calcium concentration drops below normal? Calcitonin Calcitriol Parathyroid hormone Thyroxine Answer: c © 2018 Pearson Education, Inc.

Question: What hormone is secreted when blood calcium concentration drops below normal? Calcitonin Calcitriol Parathyroid hormone Thyroxine © 2018 Pearson Education, Inc.

Question: Which cells are responsible for the production of PTH? Beta cells Principal cells Follicle cells C (clear) cells Answer: b © 2018 Pearson Education, Inc.

Question: Which cells are responsible for the production of PTH? Beta cells Principal cells Follicle cells C (clear) cells © 2018 Pearson Education, Inc.

Question: Which of the following hormones will INCREASE in concentration if there is a dietary deficiency of iodine? Thyroxine Triiodothyronine Thyrotropin-releasing hormone Calcitonin Answer: c © 2018 Pearson Education, Inc.

Question: Which of the following hormones will INCREASE in concentration if there is a dietary deficiency of iodine? Thyroxine Triiodothyronine Thyrotropin-releasing hormone Calcitonin © 2018 Pearson Education, Inc.

Question: Which of the following pancreatic cells produce glucagon? Alpha cells Beta cells Delta cells PP cells Answer: a © 2018 Pearson Education, Inc.

Question: Which of the following pancreatic cells produce glucagon? Alpha cells Beta cells Delta cells PP cells © 2018 Pearson Education, Inc.

Question: Which of the following hormones is secreted by the adrenal medulla? Epinephrine Cortisol Aldosterone Calcitriol Answer: a © 2018 Pearson Education, Inc.

Question: Which of the following hormones is secreted by the adrenal medulla? Epinephrine Cortisol Aldosterone Calcitriol © 2018 Pearson Education, Inc.

Question: Which of the following is the main target organ of aldosterone? Liver Kidney Pancreas Adrenal gland Answer: b © 2018 Pearson Education, Inc.

Question: Which of the following is the main target organ of aldosterone? Liver Kidney Pancreas Adrenal gland © 2018 Pearson Education, Inc.

Question: Which of the following pancreatic cells inhibits gallbladder activity? Alpha cells PP cells Beta cells Delta cells Answer: b © 2018 Pearson Education, Inc.

Question: Which of the following pancreatic cells inhibits gallbladder activity? Alpha cells PP cells Beta cells Delta cells © 2018 Pearson Education, Inc.

Question: Which of the following hormones does NOT raise blood glucose concentration? Epinephrine Growth hormone Cortisol Aldosterone Answer: d © 2018 Pearson Education, Inc.

Question: Which of the following hormones does NOT raise blood glucose concentration? Epinephrine Growth hormone Cortisol Aldosterone © 2018 Pearson Education, Inc.

Question: When two hormones bind to the same target cell, and the resulting stimulation is greater than the effect of either hormone alone, what is the effect called? Permissive Antagonistic Synergistic Integrative Answer: c © 2018 Pearson Education, Inc.

Question: When two hormones bind to the same target cell, and the resulting stimulation is greater than the effect of either hormone alone, what is the effect called? Permissive Antagonistic Synergistic Integrative © 2018 Pearson Education, Inc.

Question: Which of these hormones is produced by the kidneys in response to low blood pressure? ADH Erythropoietin Aldosterone Angiotensin II Answer: b © 2018 Pearson Education, Inc.

Question: Which of these hormones is produced by the kidneys in response to low blood pressure? ADH Erythropoietin Aldosterone Angiotensin II © 2018 Pearson Education, Inc.

Question: Which of these is involved in the resistance phase of the stress response? Release of glucocorticoids Increased sweat gland secretion Fluid and electrolyte imbalance Suppression of the immune system Answer: a © 2018 Pearson Education, Inc.

Question: Which of these is involved in the resistance phase of the stress response? Release of glucocorticoids Increased sweat gland secretion Fluid and electrolyte imbalance Suppression of the immune system © 2018 Pearson Education, Inc.

Question: A deficiency in iodine may result in thyroid hyposecretion and _____. Addison’s disease a goiter infantile hypothyroidism Cushing’s disease Answer: b © 2018 Pearson Education, Inc.

Question: A deficiency in iodine may result in thyroid hyposecretion and _____. Addison’s disease a goiter Infantile hypothyroidism Cushing’s disease © 2018 Pearson Education, Inc.

Question: What disorder may be caused by a deficiency in the production of antidiuretic hormone? SIADH Cushing’s disease Addison’s disease Diabetes insipidus Answer: d © 2018 Pearson Education, Inc.

Question: What disorder may be caused by a deficiency in the production of antidiuretic hormone? SIADH Cushing’s disease Addison’s disease Diabetes insipidus © 2018 Pearson Education, Inc.

Question: Which of the following disorders often leads to retinopathy, nephropathy, and neuropathy? Diabetes mellitus Cushing’s disease Addison’s disease Graves’ disease Answer: a © 2018 Pearson Education, Inc.

Question: Which of the following disorders often leads to retinopathy, nephropathy, and neuropathy? Diabetes mellitus Cushing’s disease Addison’s disease Graves’ disease © 2018 Pearson Education, Inc.