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A&P2 Endocrine P2

QuestionAnswer
Gluconeogenesis occurs in the liver due to the action of ________. A) aldosterone B) insulin C) secretin D) cortisol Answer: D
Normal development of the immune response is due in part to hormones produced by the ________. A) adrenal medulla B) pancreas C) thyroid gland D) thymus gland Answer: D
Virtually all of the protein or amino acid-based hormones exert their effects through intracellular ________. A) ions B) deactivators C) nucleotides D) second messengers Answer: D
Which of the following is not a category of endocrine gland stimulus? A) enzyme B) humoral C) neural D) hormonal Answer: A
Chemical substances secreted by cells into the extracellular fluids that regulate the metabolic function of other cells in the body are called ________. A) enzymes B) antibodies C) proteins D) hormones Answer: D
The hypothalamic-hypophyseal tract ________. A) connects the hypophysis to the pituitary gland B) is partly contained within the infundibulum C) conducts aldosterone to the hypophysis D) is the site of prolactin synthesis Answer: B
Tropic hormones ________. A) include ACTH and TSH B) do not regulate the function of other endocrine glands C) exert their effects on cells by direct gene activation D) include GH and PRL Answer: A
Growth hormone ________. A) is also called somatostatin B) is regulated by humoral mechanisms C) secretion results in a decrease in muscle mass D) promotes long bone growth during the formative years Answer: D
Oxytocin ________. A) release is an example of a positive feedback control mechanism B) is an adenohypophyseal secretion C) exerts its most important effects during menstruation D) controls milk production Answer: A
ADH ________. A) increases urine production B) promotes dehydration C) is produced in the adenohypophysis D) is inhibited by alcohol Answer: D
Thyroid hormone exerts its influence by ________. A) entering some cells and binding to intracellular receptors within the nuclei B) exerting only a minor effect on body metabolism C) decreasing blood pressure D) acting to decrease basal metabolic rat Answer: A
Gonadocorticoid A) synthesized by the adrenal medulla B) production by the adrenal gland is insignificant compared w/ sex hormone release from the gonads during late puberty C) hypersecretion can result in adrenogenital syndrome Answer: B
Sometimes prolonged excessive exposure to high hormone concentrations causes a phenomenon known as ________. A) diabetes mellitus B) cellular inhibition C) down-regulation D) metabolism of protein kinases Answer: C
Which of the following is not a change that may be caused by hormonal stimulus? A) a change in membrane potential B) the stimulation of a genetic event-protein synthesis C) an increase in enzymatic activity D) direct control of the nervous system Answer: D
When it becomes necessary to enlist the fight-or-flight response, a hormone that is released during the alarm phase of the general adaptation syndrome is ________. A) estrogen B) epinephrine C) angiotensinogen D) renin Answer: B
The major targets of growth hormone are ________. A) the blood vessels B) the adrenal glands C) the liver D) bones and skeletal muscles Answer: D
Which organ is responsible for synthesizing ANP? A) the heart B) the kidney C) the skin D) the spleen Answer: A
Mineralocorticoid is to aldosterone as glucocorticoid is to ________. A) testosterone B) estrogen C) cortisol D) epinephrine Answer: C
Leptin is secreted by ________. A) lymphocytes B) adipocytes C) goblet cells D) fibroblasts Answer: B
The most important regulator of electrolyte concentrations in extracellular fluids is ________. A) insulin B) aldosterone C) glucagon D) cortisol Answer: B
Which of the following is not a steroid-based hormone? A) estrogen B) aldosterone C) epinephrine D) cortisone Answer: C
Which of the following does not act as a second messenger in second-messenger systems of hormone action? A) cyclic AMP B) calmodulin C) cyclic GMP D) inositol triphosphate Answer: B
The only amine hormone to act like a steroid is ________. A) TH B) ACTH C) GH D) ADH Answer: A
Which organ does not have hormone production? A) heart B) kidney C) liver D) skin Answer: C
Eicosanoids do not include ________. A) paracrines B) leukotrienes C) hydrocortisones D) prostaglandins Answer: C
Which of the following organs is affected by thyroid hormone in adults? A) liver B) spleen C) thyroid gland D) brain Answer: A
What ion is sometimes used as a second messenger of amino acid-base hormones? A) Iron B) Calcium C) Sodium D) Chlorine Answer: B
________ are hormones synthesized from cholesterol . Answer: Steroids
________ is a hormone that has only one known effect: to stimulate milk production by the breasts. Answer: Prolactin
________ are the result of hypersecretion of growth hormone. Answer: Acromegaly and gigantism
The largest pure endocrine gland in the body is the ________. Answer: thyroid
Catecholamines are produced by ________ cells. Answer: chromaffin
Alpha islet cells produce ________, an extremely potent hyperglycemic hormone. Answer: glucagon
The ________ gland may influence our day/night cycles and even regulate the onset of sexual maturity. Answer: pineal
The ________ gland declines in size and function with age. Answer: thymus
Endocrine gland stimuli include hormonal, ________, and ________ stimuli. Answer: humoral; neural
As a result of stress the adenohypophysis releases ________, which stimulates release of hormones from the adrenal cortex that retain sodium and water, increase blood sugar, and begin breaking down fats. Answer: ACTH
Created by: jenkasick
 



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