118exam2-spring05 - BIOLOGY 118 EXAM 1 VERSION A Mark your...

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BIOLOGY 118 - EXAM 1 April 25, 2005 - VERSION A ..) on your answer sheet. You can keep this list of exam questions. You may write on it if you wish. Each question has only 1 correct answer. Indicate your choice on the answer sheet - scantron. If you are stumped by a question, place a mark by it, and return to it later. > = greater than < = less than Ach = acetylcholine NE = Norepinephrine BBB = Blood Brain Barrier PTH = parathyroid hormone interneuron = association neuron PNS = peripheral nervous system CNS = central nervous system SR = sarcoplasmic reticulum CSF = cerebrospinal fluid synaptic terminal = synaptic bulb or knob CP = creatine phosphate VNO = vomeronasal organ VO 2 max = maximum oxygen consumption 1. Women lose bone mass rapidly during menopause because of the rapid decline in their production of ______. a. PTH b. calcitonin c. Vitamin D d. estrogen 2. Which individual is most likely to have the lowest plasma levels of Vitamin D during the winter months? Assume diets are the same. a. light-skinned, lives in Seattle b. dark-skinned, lives in Seattle c. light-skinned, lives near the equator d. dark-skinned, lives near the equator 3. The bones of a young adult can gain density (mass) when the _________ activity is ___________ activity. a. PTH - > calcitonin b. osteoclast - > osteoblast c. osteoblast - > osteoclast d. Vitamin A - > Vitamin D 4. Which age group meets the recommended levels of calcium in their diet, per day, on average in the U.S. today? a. 5 year olds b. 10 year olds c. 30 year olds d. 60 year olds 5. a. milk b. oily fish c. spinach d. pasta 6. What is the healthiest way to increase your bone density? a. Become obese. b. Do weight-bearing exercise. c. Drink 1 beer a day. d. Start smoking. 7. a. muscle b. bone c. neural d. cartilage 8. Line ____ on figure 1 best describes the production of myoblast cells from birth to maturity. Thus muscle repair ______ with increasing age. a. Z - is constant b. V - declines c. M - increases d. Z - is impossible
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9. a. muscle b. nerve c. neuron d. all of these 10. The smallest contractile unit of a muscle cell is a ______ that shortens when the _______ filaments move toward the center of that unit. a. myofibril - thick b. myofibril - thin c. sarcomere - thin d. sarcomere - thick 11. a.
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This test prep was uploaded on 04/16/2008 for the course BIO 118 taught by Professor Bilgen during the Spring '08 term at University of Washington.

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118exam2-spring05 - BIOLOGY 118 EXAM 1 VERSION A Mark your...

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