vphy - exam 1 old key - Examination I VPHY 3100 Elements of...

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Examination I VPHY 3100 Elements of Physiology September 21, 2005 1:25 - 2:15 p.m. Multiple Choice (2.5 points each) CHOOSE THE BEST ANSWER 1. Which of the following is a common property of all phospholipids molecules? A. Hydrophilic. B. *Amphipathic. C. Hydrophobic. D. Steroid structure. 2. The fluid-mosaic model of the cell membrane states that A. the membrane consists of a single layer of phospholipids. B. *proteins may completely or partially span the membrane. C. carbohydrates are attached to the inner core of the membrane. D. the hydrophobic portion of the membrane faces the extracellular fluid. 3. Organs that are located in different regions of the body and that perform related functions are group into A. tissues. B. divisions. C. *systems. D. compartments. 4. In the development of new pharmaceutical drugs A. initial toxicity studies are conducted in healthy human subjects. B. phase II clinical trials use large numbers of test subjects of both genders. C. phase IV clinical trials test the drug on healthy human volunteers. D. *Food and Drug Administration approval is sought following phase III clinical trials. 5. During homeostasis, increasing or decreasing the activity of particular effectors is the primary role of the A. positive feedback loops. B. *integrating center. C. sensor. D. negative feedback loops. 6. Tissue that contains large amount of extracellular materials is the: A. *connective tissue. B. epithelial tissue. C. muscle tissue. D. adipose tissue. 7. The blood plasma contains approximately ______ of the extracellular fluid. A. 1/3. B. 2/3. C. *20%. D. 80%. 1
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8. Proteins that extend from the cytoskeleton within the cell, through the plasma membrane, and into the extracellular matrix are: A. lysosomal proteins. B. metallo proteins. C. *integrin proteins. D. receptor proteins. 9.
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This note was uploaded on 04/01/2008 for the course VPHY 3100 taught by Professor W during the Fall '05 term at University of Georgia Athens.

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vphy - exam 1 old key - Examination I VPHY 3100 Elements of...

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