301 Homework 2 2009

301 Homework 2 2009 - BMD ENG 301 Homework 2 (counts for 4%...

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BMD ENG 301 Homework 2 (counts for 4% of the final grade, due: 10/26/09) ************************************************************************ Negative marks will be given for incorrect answers on multiple-choice questions. ************************************************************************ Molar gas constant (R) 8.3143 Jmol -1 K -1 Faraday constant (F) 9.64870 X 10 4 Cmol -1 0 o C 273.15 K 1. The term caudal means [1 point] (a) towards the back (b) towards the belly (c) towards the beak (or nose) (d) towards the tail 2. Sketch a surface view of the human cerebral hemispheres. Label the central sulcus, lateral fissure, pre- and postcentral gyrus, and the four lobes. [8 points]
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3. Suppose that you are recording a neuron’s resting membrane potential. You add enough KCl to increase the concentration in the external medium by 100 mM. Succinctly explain what you think would happen to the resting membrane potential and why? Also, succinctly, compare this to what you expect would happen if you had added enough NaCl to increase its external concentration by 100 mM instead. [6 points]. 4. Make a simple sketch of the physical relationship that exists between the cerebellum, medulla, midbrain, pons and spinal cord. [3 points] 5. Suppose that you are recording action potentials from a neuron. How would the action
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This note was uploaded on 01/12/2011 for the course BME 301 taught by Professor Li during the Fall '10 term at Northwestern.

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301 Homework 2 2009 - BMD ENG 301 Homework 2 (counts for 4%...

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