WPR1E-072-ans

WPR1E-072-ans - APPROVED SOLUTION Cadet Time of Departure DEPARTMENT OF CHEMISTRY AND LIFE SCIENCE CH387 Human Physiology Written Partial Review

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APPROVED SOLUTION Cadet ________________________ Time of Departure __________ DEPARTMENT OF CHEMISTRY AND LIFE SCIENCE CH387 Human Physiology Resources Permitted: None Written Partial Review 1 (E hour) Text: Principles of Human Physiology 12 February 2007 Available time: 55 minutes CHECK THIS EXAMINATION TO SEE THAT THERE ARE 9 PAGES, NOT INCLUDING THE COVER PAGE. INFORM THE INSTRUCTOR OF ANY INCOMPLETE OR MISSING PAGES. WRITE YOUR NAME ON THE TOP OF EACH SHEET. ANSWER ALL QUESTIONS. TOTAL WEIGHT 200 POINTS DO NOT WRITE IN THIS SPACE: PART MAX VALUE CUT POINTS 1 126 2 74 TOTAL 200
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PART 1 (126 Points) MULTIPLE CHOICE : (3.5 points each) 1. (3) What type of gland secretes hormones? a. endocrine glands b. exocrine glands c. both A and B d. neither A and B 2. (1) Homeostasis is a term which describes the process whereby the body __________. a. maintains a constant external environment b. affects the external environment c. maintains a variable internal environment d. maintains a constant internal environment 3. (2) Tissue type that includes cells contained in an extracellular matrix composed of collagen and elastin. a. muscle tissue b. epithelial tissue c. connective tissue d. nervous tissue 4. (3) Which of the following structures is found primarily in white matter? a. myelinated axons b. neuron cell bodies c. dendrites d. axon terminals 5. (2) When a person sits on a metal chair on a cold day, they feel the flow of heat out of their body. This is an example of ___________. a. radiation b. conduction c. nerve d. evaporation e. convection 6. (1) An enzyme and a substrate molecule that bind tightly together are said to have CH387 Human Physiology WPR1 AY2005-2006 1
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APPROVED SOLUTION Cadet___________________________ a. low affinity. b. covalent regulation. c. equilibrium. d. high affinity. 7. (3) __________ is a reflection of the unequal distribution of positive and negative ions across the plasma membrane. a. Chemical gradient b. Extracellular potential c. Membrane potential d. Chemical driving force 8. (3) An example of primary active transport is a. transport of Ca +2 ions up an electrochemical gradient by a protein. b. transport of glucose molecules down a concentration gradient by carriers. c. movement of Ca +2 ions down an electrochemical gradient through ion channels. d. transport of glucose molecules up a concentration gradient by a protein that couples glucose flow to the flow of Na + down an electrochemical gradient. 9. (2) Which of the following cells would have a greater electrical attraction for sodium ions to enter the cell? a. cell with membrane potential = -90 mV b. cell with membrane potential = -70 mV c. cell with membrane potential = 0 mV d. cell with membrane potential = +20 mV 10. (2) What will occur if a cell (with a 300 mOsm solute concentration) is placed in a 500 mOsm solution? a.
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This test prep was uploaded on 04/15/2008 for the course CH 387 taught by Professor Robert during the Fall '08 term at West Point.

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WPR1E-072-ans - APPROVED SOLUTION Cadet Time of Departure DEPARTMENT OF CHEMISTRY AND LIFE SCIENCE CH387 Human Physiology Written Partial Review

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