118exam2-spring07 - BIOLOGY 118 - EXAM 2 April 23, 2007 -...

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BIOLOGY 118 - EXAM 2 April 23, 2007 - VERSION A ..) on your answer sheet. You can keep this list of exam questions. You may write on it if you wish. Marking & keeping this test is the only way you will know the answers on your scantron. Each question has only 1 correct answer. Indicate your choice on the answer sheet - scantron. If you need clarification for a question, raise your hand & stay in your seat. If you are stumped by a question, place a mark by it, and return to it later. > = greater than < = less than Ach = Acetylcholine Interneuron = Association neuron apex = End/tip of cochlea NE = Norepinephrine base = Start of cochlea PNS = peripheral nervous system CSF = Cerebrospinal fluid PTH = Parathyroid hormone CNS = Central nervous system SR = Sarcoplasmic reticulum CP = Creatine phosphate VNO = Vomeronasal organ Filaments = Myofilaments (thick & thin) VO 2 max = maximum oxygen consumption 1. Which tissue has the poorest rate of repair after a tear or break? a. Bone b. Muscle c. Tendon d. All repair easily. 2. Which cell has active transport pumps that secrete H + ions to digest bone tissue? a. Osteoblast b. Myoblast c. Osteoclast d. Chondrocyte 3. Graph 2, indicates that women ages 25-44 who increased their ______, significantly increased the density of part of their femur compared to women who did not. a. calcium intake only b. exercise levels only c. calcium & exercise d. neck length 4. Graph 5 indicates that in the more northern parts of the United States, _______ pregnant women and their neonates (newborns) have less than sufficient Vitamin D during the winter & spring months, probably because of a lack of ________. a. both black & white - exposure to sunlight b. only black - folate c. only white - fish in their diet d. neither black nor white - Vitamin A 5. Which of these factors can increase a woman’s risk of developing osteoporosis? a. Regular menstruation b. Cigarette smoking c. Excess intake of Vit. D d. Early puberty 6. If your plasma calcium is _______, the hormone _________ promotes calcium (Ca +2 ) deposition into bone tissue. a. high - PTH b. high - Calcitonin c. low - PTH d. low - Calcitonin 7. Graph 3 shows that a daily diet with ___ IU of Vitamin D & ___ mg calcium gives the greatest decrease in risk of developing type II diabetes. a. < 400 - < 600 b. > 800 - > 1200 c. < 400 - > 1200 d. > 800 - < 600 8. In skeletal muscle tissue, one _____ contains many ______. a. myoblast - myocytes b. myofilament - fascicles c. myofibril - sarcomeres d. myosin - myofilaments
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9. After you are born, your body can produce new, additional a. myoblasts b. neuroblasts c. osteoblasts d. all of these 10. During a contraction, sarcomeres shorten by ________ the ______ filaments. a.
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This test prep was uploaded on 04/09/2008 for the course BIOL 118 taught by Professor Peterson during the Spring '08 term at University of Washington.

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118exam2-spring07 - BIOLOGY 118 - EXAM 2 April 23, 2007 -...

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