h phys exam II--spring 2011--answer key

h phys exam II--spring 2011--answer key - Name: Trask Zool...

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Name: 1 | Page Trask Zool 2200: Human Physiology Exam 2 02/18/11 Section I: Multiple Choice Section I: Multiple Choice. Answer each of the following questions by filling in the circle on your answer key that corresponds with the BEST answer. (50 points total). 1.) The endocrine system: a.) Employs chemical signals that are distributed throughout the body via the bloodstream. b.) Regulates the metabolic activities of many different tissues and organs simultaneously. c.) Produces effects that can last for hours, days or even longer. d.) Functions to maintain homeostasis. e.) c.) and d.). f.) All of the above. 2.) Which of the following hormones is/are produced by the pituitary gland? a.) TSH b.) Oxcytocin. c.) Prolactin. d.) All of the above. e.) Only a.) and c.). 3.) Which of the following are pituitary hormones that play a direct role in regulating metabolism? I. Thyroid hormone. (TH) II. Growth Hormone. (GH) III. Somatostatin a.) I only. b.) I and II. c.) II only. d.) II and III. e.) All of these could play a direct role. 4.)Which of the following classes best describes a hormone that is lipophilic, can easily diffuse across a cell membrane, has a relatively long half-life and has a lag time before its effects are noticeable? a.) Amine. b.) Peptide. c.) Steroid.
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Name: 2 | Page 4.) Which of the following would you expect to always bind to a cytoplasmic receptor protein? a.) A peptide hormone. b.) A glycoprotein hormone. c.) A steroid hormone. d.) An amine hormone. e.) A prohormone. 6.) When blood parathyroid hormone concentrations are high: a.) blood calcium levels are high. b.) levels of thyroid hormone are high. c.) blood calcium levels are low. d.) levels of thyroid hormone are low. e.) both blood calcium and thyroid hormone levels are high f.) both parathyroid hormone and thyroid hormone levels are low. g.) blood calcium levels are high and thyroid hormone levels are low. h.) parathyroid hormone levels are low and thyroid hormone levels are high. 7.) An agent whose high concentration would inhibit the release of TRH is: a.) epinephrine. b.) thyroid hormone. c.) FSH. d.) CRH. e.) TRH. 8.) The pituitary gland has been called the master gland because it hormonally influences many other glands. The list includes all but the following: a.) Thyroid gland. b.) Adrenal gland. c.) Testes. d.) Parathyroid gland. e.) Ovaries. 9.) The hypothalamus is “connected” to the anterior pituitary through ______________ and to the posterior pituitary through _______________. a.) Nervous tissue/the circulation. b.) Nervous tissue/connective tissue. c.) A portal system/neurons. d.) Connective tissue/a portal system. e.) Neurons/a portal system. f.) The circulation/the PNS.
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Name: 3 | Page 10.) Calcitonin lowers blood Ca ++ . What gland secretes the hormone that is antagonistic to calcitonin? a.)
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This note was uploaded on 01/03/2012 for the course ZOO 2200 taught by Professor Barbcrippestrask during the Spring '11 term at Weber.

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h phys exam II--spring 2011--answer key - Name: Trask Zool...

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