Quiz 6 3100 F08-key

Quiz 6 3100 F08-key - BMED 3100 Systems Physiology Quiz 6,...

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BMED 3100 Systems Physiology Quiz 6, 12/3/08 1 Honor Pledge All students are required, when requested, to attach the following statement to any material turned in for a grade in any course at Georgia Institute of Technology: On my honor, I pledge that I have neither given nor received inappropriate aid in the preparation of this assignment. _________ KEY _______________________ Signature __________________________________ Name (Printed) Be brief in your answers. Write clearly. Backs of pages will not be graded.
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BMED 3100 Systems Physiology Quiz 6, 12/3/08 1 Multiple choice (there is only one correct answer). Write your answer on the line (2 pts each) 1. Peptide hormones are _____ A ________ a) often derived from larger molecules called prohormones. b) packaged into secretory vesicles in the endoplasmic reticulum of the cells that synthesize them. c) secreted in response to a stimulus that causes depletion of cytosolic calcium. d) always secreted into neuroendocrine synapses. e) are derived from cholesterol. 2. The main difference between the modes of action of peptide hormones and steroid hormones is that ______ D _________ a) peptide hormones bind to intracellular receptors whereas steroid hormones bind to receptors on the cell surface. b) peptide hormones bind to receptors in the nucleus whereas steroid hormones bind to receptors in the cytosol. c) peptide hormones bind to cell surface receptors whereas steroid hormones act as 2nd messengers. d) peptide hormones bind to receptors on the cell surface whereas steroid hormones bind to intracellular receptors. e) there are no differences; both act by binding to receptors on the cell surface. 3. Which of the following is/are not a steroid hormone(s)? _____ D ______ a) glucocorticoids b) aldosterone c) estrogens d) growth hormone e) progesterone 4. In endocrine reflexes, the integrating center is the: _____ B ______ a) central nervous system b) endocrine cell c) posterior pituitary d) hypothalamus e) anterior pituitary 5. During exercise, blood flow to skeletal muscles ___because of _____. ________ C ________ a) increases; increased sympathetic stimulation of alpha-adrenergic receptors in the smooth muscle of arterioles supplying them
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Quiz 6 3100 F08-key - BMED 3100 Systems Physiology Quiz 6,...

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