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Chapter 16
BIO 211
| Question | Answer |
|---|---|
| Endocrine glands differ from exocrine glands in 1)that one has local effects and the other organismnal effects 2)the length of their effect 3)their means of transport | 3) their mean of transport |
| Catecholamines and thyroxins are synthesized from 1)alanine 2)proline 3)tyrosine 4)phenylalanine | 3) tyrosine |
| Simple endocrine reflexes 1)involve one synapse 2)involve two or more hormones 3)involve one hormone 4)all choises are correct | 3) involve one hormone |
| The pituitary is connected to the hypothalamus by a slender stalk called the 1)epiphysis 2)hypophysis 3)peduncle 4)infundibulum | 4) infundibulum |
| The adenohypophysis is also known as the 1) posterior pituitary 2)anterior pituitary 3)hypothalamus 4)infundibulum | 2) anterior pituitary |
| Which of the following is not a hormone produced in the adenohypophysis? 1)oxytocin 2)thyroid-stimulating hormone (TSH) 3)growth hormone (GH) 4)ACTH | 1) oxytocin |
| The target cells of oxytocin are 1)uterus and mammary glands 2)kidney tubules 3)prostate and ductus deferens 4)1 and 3 only are correct | 1) uterus and mammary glands |
| The hormones of the adenohypophysis are called tropic hormones because 1)they eat other hormones 2)they turn on other hormones 3)they turn off other hormones 4)None of these choices are correct | 3) they turn off other hormones |
| The major categories of hormones are 1) growth factors, endorphines and glycoproteins 2)amino acid derivatives, peptide hormones, and lipid derivatives 3)enzymes, prosthetic groups, and antioxidants 4)all choices are correct | 2) amino acid derivatives, peptide hormones, and lipid derivatives |
| Thyroxin is synthesized from the amino acid ___ and ___ ions. 1)tyrosine, floride 2)phenylalanine, chloride 3)tyrosine, iodine 4)glycine, iodine | 3) tyrosine, iodine |
| The physiologically active thryoid hormone is 1)thyroxin 2)prealbumin 3)triiodotyrosine 4)thyroglobulin | 3) triiodotyrosine |
| The second hormone secreted by the thyroid gland is 1)calcitonin 2)cortisone 3)insulin 4)parathyroid hormone | 1) calcitonin |
| Parathyroid hormone 1)decreases calcium absorption 2)inhibits osteoclasts 3)increases calcium ion concentrations in the blood 4)stimulates osteoblasts | 3) increases calcium ion concentrations in the blood |
| Calcitonin and parathyroid hormone are 1)secreted by the thyroid gland 2)synergists 3)antagonists 4)vitamins | 3) antagonists |
| The major mineralocorticoid is 1)estrogen 2)aldosterone 3)renin 4)cortisone | 2) aldosterone |
| The zona reticularis secretes 1)androgens 2)mineralocorticoids 3)glucocorticoids 4)epinephrine and norepinephrine | 1) androgens |
| The adrenal medulla secretes 1)glucocorticoids 2)epinephrine and norepinephrine 3)sex hormones 4)mineralocorticoids | 2) epinephrine and norepinephrine |
| Erythropoietin is secreted in response to 1)low levels of calcium in the diet 2)low oxygen levels in kidney tissues 3)high oxygen levels in kidney tissues 4)high levels of calcium in the diet | 2) low levels of calcium in the diet |
| Calcitriol 1) stmulates bone deposition in body tissues 2)stimulates calcium absorption by the digestive tract 3)is secreted by the liver 4)All choices are correct | 2) stimulates calcium absorption by the digestive tract |
| Atrial natriuretic peptide 1)promotes sodium ion loss and water loss 2)is secreted by the kidneys 3)increases blood pressure 4)promotes ADH release | 1) promotes sodium ion loss and water loss |
| Alpha cells in the pancreatic islets secreate 1)calcitriol 2)insulin 3)somatostatin4) glucagon | 4) glucagon |
| The primary regulatory hormones of the reproductive system are 1)testosterone and estrogen 2)follicle-stimulating hormone and luteinnizing hormone 3)insulin and glucagon 4)calcitonin and calcitriol | 2) follicle-stimulating hormone and luteinizing hormone |
| Inadequate parathyroid hormone production or hypoparathyroidism leads to 1)low C ion concentrations in body fluid 2)elevated K ion concentrations in body fluid 3)elevated C ion concentrations in bodu fluid 4)low K ion concentrations in body fluid | 1) low calcium ion concentrations in body fluid |
| When target cells receive instructions from two or more hormones at once ther is/are ___ possible result(s). 1)four 2)two 3)one 4)three | 1) four |
| The thymus is one of the few glands that grows in size throughout your lifetime. True or False | False |
| Delta cells produce insulin. True or False | False |
| The interstitial cells of the testes produce testosterone. True or False | Frue |
| The pancreas is strictly an endocrine gland. True or False | False |
| The pituitary gland is divided into two major areas: the anterior pituitary, or adenohypophysis; and the posterior pituitary,or ___. | neurohypophysis |
| The two classes of regulatory hormones produced by the hypothalamus are releasing hormones, which stimulate production of pituitary hormones, and ___ hormones, which prevent synthesis and release of hormones from the piruitary. | melatonin |
| The two hormones most responsible for the effects of the alarm phase in the general adaptation syndrome are epinephrine and ___. | norepinephrine |
Created by:
cgertie
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