Chapter 17
Which of the following hormones stimulate raise blood glucose levels and stimulates lipolysis? All choices are correct Epinephrine Cortisol Growth hormone Glucagon
All Choices are Correct
Which of the following is characteristic of the general adaptation syndrome? Conservation of water and sodium All choices are correct Maintains blood pressure Mobilization of energy reserves
All choices are correct
Which lobe of the pituitary is larger and secretes more hormones? Anterior pituitary Posterior pituitary
Anterior pituitary
All of the following are true of the postabsorptive state except: Excess amino acids are needed for protein synthesis Blood glucose drops Amino acids can be converted to glucose by gluconeogenesis Most body cells will burn fatty acids to spare glucose for the brain
Excess amino acids are needed for protein synthesis
The thymus gland secretes erythropoietin in response to low blood oxygen. True False
False
The anterior pituitary gland Secretes aldosterone All choices are correct Stores posterior pituitary hormones Is regulated by hormones secreted by the epithalamus Is composed of glandular tissue
Is composed of glandular tissue
Insulin is the only hormone that lowers blood glucose levels. True False
True
Parathyroid hormone functions to raise blood calcium levels. False True
True
What hormone stimulates gluconeogenesis? angiotensin testosterone estrogen cortisol aldosterone
cortisol
Insulin causes a(n) _______ in glycogenesis in the liver and a(n) _______ in lipogenesis in adipose. decrease, decrease increase, increase decrease, increase increase, decrease
increase, increase
What do mineralocorticoids such as aldosterone do? influence electrolyte balance reduce blood sugar levels stimulate release of growth hormone impact sexuality and libido play a role in glucose metabolism
influence electrolyte balance
What do mineralocorticoids such as aldosterone do? reduce blood sugar levels impact sexuality and libido stimulate release of growth hormone play a role in glucose metabolism influence electrolyte balance
influence electrolyte balance
What's the storage form of excess circulating amino acids not immediately needed? protein polypeptides triglycerides glycogen enzymes
triglycerides
What vitamin does parathyroid hormone enhance activation of in the kidneys? vitamin D vitamin B6 vitamin A vitamin C vitamin E
vitamin D
Match the following hormones with their TARGET tissue: Hormones: ACTH LH ADH oxytocin glucagon Tissues: liver thyroid adrenal cortex Kidney tubules uterine smooth muscle ovaries and testes pancreas bones
ACTH - adrenal cortex LH - ovaries and testes ADH - Kidney tubules oxytocin - uterine smooth muscle glucagon - liver
Which of the following hormones stimulate raise blood glucose levels and stimulates lipolysis? All choices are correct Epinephrine Cortisol Growth hormone Glucagon
Cortisol
All hormone secretion is under the direct control of the hypothalamus. True False
False
Increases in angiotensin II levels cause decreases in blood pressure. False True
False
Vitamin D is actually a hormone that increases Ca2+ absorption in the liver. True False
False
Which is not correct regarding growth hormone (GH)? GH stimulates the kidney to secrete somatomedin. GH stimulates cell growth and mitosis. GH affects most body cells. mobilizes fat stores and increases fatty acid levels in the blood
GH stimulates the kidney to secrete somatomedin.
Select the hormone secreted from the anterior pituitary gland that increases the concentration of blood sugar. Epinephrine Cortisol Insulin Growth hormone Glucagon
Growth hormone
Select the hormone secreted from the anterior pituitary gland that increases the concentration of blood sugar. Insulin Epinephrine Cortisol Glucagon Growth hormone
Growth hormone
Cortisol enables the body to deal with stress by: Blocking the release of epinephrine from the adrenal cortex Decreasing heart rate and blood pressure Increasing blood glucose, fatty acid, and amino acid levels Causing inflammation Stimulating the thyroid gland to release thyroxine
Increasing blood glucose, fatty acid, and amino acid levels
Cortisol enables the body to deal with stress by: Causing inflammation Stimulating the thyroid gland to release thyroxine Decreasing heart rate and blood pressure Increasing blood glucose, fatty acid, and amino acid levels Blocking the release of epinephrine from the adrenal cortex
Increasing blood glucose, fatty acid, and amino acid levels
Which hormone is secreted by the beta cells of the pancreas? Glucagon Somatostatin Pancreatic polypeptide Insulin Pancreatic lipase
Insulin
Which hormone is secreted by the beta cells of the pancreas? Pancreatic polypeptide Pancreatic lipase Somatostatin Insulin Glucagon
Insulin
Which of the following hormones is NOT secreted in response to stress? Aldosterone ADH Insulin Epinephrine Cortisol
Insulin
Which of the following hormones is NOT secreted in response to stress? Cortisol ADH Aldosterone Epinephrine Insulin
Insulin
The hypophyseal portal system: -Is composed of neurons connecting the hypothalamus and posterior pituitary gland -Is blood vessels connecting the hypothalamus and anterior pituitary -Carries tropic hormones from the anterior pituitary to the hypothalamus for storage -Carries oxytocin and ADH to the anterior pituitary gland
Is blood vessels connecting the hypothalamus and anterior pituitary
Which of the following statements INCORRECTLY describes aldosterone: It enhances K+ excretion in the kidney tubules Its secretion can be triggered by the renin-angiotensin system It promotes sodium retention It is produced by the anterior pituitary It targets kidney tubules
It is produced by the anterior pituitary
Epinephrine is released from the adrenal medulla in response to: Hormonal stimuli Humoral stimuli Neural stimuli
Neural stimuli
Which is not a tropic hormone? Follicle-stimulating hormone Thyroid-stimulating hormone Adrenocorticotropic hormone Prolactin
Prolactin
Insulin: -Is not produced in patients with Type II diabetes mellitus -Is released in response to low blood glucose levels -Promotes the insertion of glucose transporters into the plasma membranes of insulin-dependent cells -All choices are correct -Is required to facilitate the uptake of glucose by the brain
Promotes the insertion of glucose transporters into the plasma membranes of insulin-dependent cells
What is the function of the mineralocorticoids secreted by the adrenal gland? Regulate glucose levels in the blood Act as secondary sex hormones Stimulate metabolism of proteins Stimulate metabolism of lipids Regulate electrolyte concentration in body fluids
Regulate electrolyte concentration in body fluids
Tropic hormones: Regulate hormones secreted by other endocrine glands Include parathyroid hormone and glucagon Are produced by the posterior pituitary None of the choices are correct
Regulate hormones secreted by other endocrine glands
Regulating hormones produced by the hypothalamus controls the release of hormones from the anterior pituitary gland. True False
True
The pancreas has both endocrine and exocrine functions. False True
True
The posterior pituitary does not produce its own hormones but stores hormones produced by the hypothalamus. False True
True
The posterior pituitary does not produce its own hormones but stores hormones produced by the hypothalamus. True False
True
To be a target cell for a particular hormone, the cell must have a specific receptor for that hormone. False True
True
Which of the following are not matched correctly Polyphagia - excessive hunger Type I diabetes mellitus - usually autoimmune Polydipsia - excessive thirst Polyuria - increased urine output Type 2 diabetes mellitus - destruction of Beta cells
Type 2 diabetes mellitus - destruction of Beta cells
The term down-regulation refers to the process by which -a glandular cell decreases the amount of hormone it secretes. -a cell decreases the number of receptors it has for a hormone. -a carrier protein increases the rate of degradation for a hormone and thereby decreases its blood concentration. -a large amount of hormone shuts down all metabolic activity in a target cell. -a carrier protein decreases the rate of degradation of the protein it ferries.
a cell decreases the number of receptors it has for a hormone.
The release of hormones from the adrenal cortex is stimulated by antidiuretic hormone. adrenocorticotropic hormone. thyroid hormone. luteinizing hormone. oxytocin.
adrenocorticotropic hormone.
The release of hormones from the adrenal cortex is stimulated by oxytocin. thyroid hormone. antidiuretic hormone. luteinizing hormone. adrenocorticotropic hormone.
adrenocorticotropic hormone.
Renin converts angiotensin II to angiotensin I. antiotensin I to antiotensin II. angiotensinogen to angiotensin I. antidiuretic hormone to angiotensinogen. antidiuretic hormone to angiotensin.
angiotensinogen to angiotensin I
What is another term for adenohypophysis? hypothalamus posterior pituitary hypophysis neurohypophysis anterior pituitary
anterior pituitary
The hormones that come from the posterior pituitary are synthesized in the posterior pituitary and released by the anterior pituitary by way of the hypophyseal portal system. are synthesized in the hypothalamus and are released from the posterior pituitary when nerve signals arrive. are synthesized there and are released upon signals from the anterior pituitary. are synthesized in the anterior pituitary and are transported to and from the posterior pituitary by the primary and secondary plexus.
are synthesized in the hypothalamus and are released from the posterior pituitary when nerve signals arrive.
In response to excessive amounts of a hormone, a target cell may reduce its number of receptors for that hormone. This is an example of increasing specificity to a hormone. up-regulation. increasing sensitivity to a hormone. down-regulation.
down-regulation.
What nutrient is the major energy source during the absorptive state? glucose B vitamins amino acids fatty acids electrolytes
glucose
Insulin causes a(n) _______ in glycogenesis in the liver and a(n) _______ in lipogenesis in adipose. decrease, increase increase, increase decrease, decrease increase, decrease
increase, increase
Calcitonin is synthesized by the skin, liver, and kidneys. inhibits osteoclast activity. stimulates bone resorption (breakdown). increases blood calcium.
inhibits osteoclast activity
Calcitonin inhibits osteoclast activity. increases blood calcium. is synthesized by the skin, liver, and kidneys. stimulates bone resorption (breakdown).
inhibits osteoclast activity.
Type II Diabetes Mellitus: is usually autoimmune is associated with destruction of beta cells is associated with destruction of alpha cells is due to the reduced sensitivity of target cells to the presence of normal or increased insulin
is due to the reduced sensitivity of target cells to the presence of normal or increased insulin
Type II Diabetes Mellitus: is usually autoimmune is associated with destruction of beta cells is due to the reduced sensitivity of target cells to the presence of normal or increased insulin is associated with destruction of alpha cells
is due to the reduced sensitivity of target cells to the presence of normal or increased insulin
Aldosterone and atrial natriuretic peptide have ________ effects on blood pressure. similar opposite
opposite
The two hormones released from the posterior pituitary are oxytocin and antidiuretic hormone. prolactin and growth hormone. follicle-stimulating hormone and leutenizing hormone. thyrotropin-releasing hormone and corticotropin-releasing hormone. prolactin and vasopressin.
oxytocin and antidiuretic hormone.
What is another term for the neurohypophysis? posterior pituitary adenohypophysis anterior pituitary hypophysis hypothalamus
posterior pituitary
The primary function of adrenocorticotropic hormone (ACTH) is to stimulate the development of the folds on the surface of the brain. regulate salt and water balance by acting on the renal system. stimulate glucocorticoid release from the adrenal glands. stimulate cell growth and cell division in muscle and bone. stimulate adrenaline release from the adrenal medulla.
stimulate glucocorticoid release from the adrenal glands.
Glucagon works by -activating second messengers and stimulating glycogenesis. -binding to hormone response elements on DNA and stimulating glycogenesis. -stimulating glycogenolysis and gluconeogenesis. -binding to hormone response elements on DNA and stimulating glycogenolysis and gluconeogenesis.
stimulating glycogenolysis and gluconeogenesis.
What gland coordinates the multifaceted stress response? hypothalamus adrenals pituitary pineal thalamus
hypothalamus