118exam2-spring06 - BIOLOGY 118 - EXAM 2 April 24, 2006 -...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
BIOLOGY 118 - EXAM 2 April 24, 2006 - 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 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 NE = Norepinephrine VO 2 max = maximum oxygen consumption 1. Which structure or tissue contains lots of the extracellular protein, collagen? a. Sclera of the eye b. c. Bone d. All of these 2. The ______________ digest old or damaged bone tissue by actively transporting _________ to the outside of the cell. a. osteoblasts - Na + b. osteoblasts - H + c. osteoclasts - Na + d. osteoclasts - H + 3. When bone formation ______ bone resorption for a long period of time, osteoporosis occurs. a. = b. > c. < d. None of these are true. 4. When plasma calcium (Ca +2 ) is below normal, the hormone _______ is released to ________ calcium in bone. a. PTH - remove b. PTH - increase c. calcitonin - remove d. calcitonin - increase 5. A person with fair colored skin, living in the tropics, may have abnormally _____ levels of _______ in their plasma. a. low - Vitamin D b. low - folate (Vitamin B 9 ) c. high - Vitamin A d. high - calcium 6. Which of the following may increase your risk of developing osteoporosis? a. Exercising regularly b. Being African-American c. Smoking d. Becoming Obese 7. a. Bone b. Cartilage c. Muscle d. Neural 8. After we are born, the production of new ________________ as we get older. a. muscle cells (fibers) increases b. myoblasts (stem cells) stops c. muscle cells (fibers) is constant d. myoblasts (stem cells) decreases
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
9. One __________ has (or is made up of) many ____________. a. sarcomere - myofibrils b. thick filament - sarcomeres c. motor unit - muscle cells d. thin filament - thick filaments 10. The contraction of a muscle cell is called an “all or none response” because all of its ______ get shorter. a.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

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.

Page1 / 6

118exam2-spring06 - BIOLOGY 118 - EXAM 2 April 24, 2006 -...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online