Quiz 1 S09-key-1 - BMED 3100: Systems Physiology Quiz 1,...

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BMED 3100: Systems Physiology Quiz 1, January 21, 2009 Honor Pledge All students are required, when requested, to attach the following statement to any material turned in for a grade in any course at Georgia Institute of Technology: On my honor, I pledge that I have neither given nor received inappropriate aid in the preparation of this assignment. __________________________________ Signature __________________________________ Name (Printed) Be brief in your answers. Write clearly. Backs of pages will not be graded. 1. Last Name
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BMED 3100: Systems Physiology Quiz 1, January 21, 2009 Multiple Choice: Write the best answer on the line to the right. (2 pts each) 1. The internal environment _____ E _____ A. refers to the intracellular fluid compartment of the body. B. is regulated to remain relatively constant by the specialized activities of many of the body's cells. C. is the medium for exchange of nutrients and wastes for the body's cells. D. Both refers to the intracellular fluid compartment of the body and is regulated to remain relatively constant by the specialized activities of many of the body's cells are correct. E. Both is regulated to remain relatively constant by the specialized activities of many of the body's cells and is the medium for exchange of nutrients and wastes for the body's cells are correct. 2. If a person begins to sweat upon entering a hot room but continued sweating is able to keep the body temperature constant, the person is _____ C _______ A. in equilibrium. B. not using energy to maintain a constant temperature. C. in steady state. D. using a positive feedback mechanism. 3. The steady state value for a variable that the body attempts to maintain is the ____ A _______ A. set point. B. equilibrium potential. C. error signal. D. reflex arc. E. median value. 4. Feedforward regulatory processes _____ E ______ A. work in anticipation of changes in regulated variables. B. work in conjunction with negative feedback processes. C. lead to instability of the regulated variable. D. maximize fluctuations in the regulated variable. E. Both work in anticipation of changes in regulated variables and work in conjunction with negative feedback processes are correct. 5. Which organelles would you expect to be especially numerous in cells that expend a great deal of energy in the form of ATP? _____ E ______ A. peroxisomes B. endosomes C. lysosomes D. ribosomes E. mitochondria
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BMED 3100: Systems Physiology Quiz 1, January 21, 2009 6. A certain protein receptor is capable of binding the neurotransmitter epinephrine but does not bind to the neurotransmitters dopamine, glutamate, or serotonin. This is because the receptor displays ____ C _______ A. saturation. B.
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This note was uploaded on 01/12/2012 for the course BMED 3110 taught by Professor Staff during the Spring '08 term at Georgia Institute of Technology.

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Quiz 1 S09-key-1 - BMED 3100: Systems Physiology Quiz 1,...

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