_13_MT%20_2%20F09%20post%20bSpace

_13_MT%20_2%20F09%20post%20bSpace - MCB 32 - Fall 2009 - MT...

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1 MCB 32 - Fall 2009 - MT #2 – 11/3/09 (4 pts) Ques. 1-4. PART I. Answer the following for THYROID HORMONE. Mark A or B. Mark C if neither A nor B are correct. “A” “B” C 1) Location of Receptors On target cell surface Inside the target cell 2) Stored? Made in advance and stored Made as needed, not stored 3) Onset Fast Slow 4) t ½ Short Long ---------------------------------------------------------------------------------------------------------------------------------------------------------------- (1 pt each) PART II. MATCHING: Ques. 5-9. Letters may be used more than once or not at all. There is only one correct answer. A = Polypeptide/protein hormones B = Steroid hormones C = Steroid and polypeptide/protein hormones D = Fat- and water-soluble hormones 5) Derived and/or made from amino acids 6) Transported freely dissolved in the blood plasma 7) Target response ultimately due to protein activity in target 8) Secreted by the adrenal gland 9) Secreted by the gonads and adrenal cortex ---------------------------------------------------------------------------------------------------------------------------------------------------------------- Ques. 10-14. MATCHING. Letters may be used more than once or not at all. There may be more than one correct answer —bubble ALL that apply for credit. A = anterior pituitary B = posterior pituitary C = adrenal cortex D = adrenal medulla 10) composed of nervous tissue (neuroendocrine cells) 11) connected to the hypothalamus by a portal circulation 12) may be directly inhibited by negative feedback from its target organ 13) hormone secretion is directly regulated by the nervous system 14) essential for life Ques. 15-20. Match the correct letter(s) to the sentences below. Letters may be used more than once or not all. There may be more than one correct answer —bubble ALL that apply for credit. A = glucagon B = epinephrine C = cortisol D = growth hormone E = thyroid hormone 15) increases blood glucose levels 16) is a polypeptide/protein hormone 17) is a steroid 18) is the main catecholamine secreted by the adrenal medulla 19) regulated by ACTH (adrenocorticotropic hormone) 20) permissive for GH (growth hormone) Ques. 21 & 22. Match the correct letter(s) to the sentences below. Letters may be used more than once or not all. There may be more than one correct answer —bubble ALL that apply for credit. A = vasopressin or ADH (anti-diuretic hormone) B = oxytocin C = angiotensin II D = prolactin E = none of the above 21) causes smooth muscle contraction 22) promotes milk letdown from the mammary glands
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2 ---------------------------------------------------------------------------------------------------------------------------------------------------------------- Ques. 23-29: Choose from A, B, or C. Letters may be used more than once or not at all. There is only one correct answer for each question. A) Increase B) Decrease C) No change Ques. 23-35: A person has had an accident leading to a huge loss of blood, resulting in a huge reduction of arterial blood pressure. Say how each would change as the body attempts to restore blood pressure—compared to before the blood loss. 23) heart rate 24) vasoconstriction in the arterioles (to increase total peripheral resistance) 25) blood levels of epinephrine Ques. 26-29: How does each of the following change during exercise?
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_13_MT%20_2%20F09%20post%20bSpace - MCB 32 - Fall 2009 - MT...

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