Q1-Briefly describe (in sentence form) the various parts ofthe spinal cord and summarize the functions of these generalareas.
Q2-How would superficial damage to the left, anterior spinalcord likely impact physiological function of the affectedindividual?
Q3-Compare and contrast tonic and phasic receptors, use anexample of each to support your answer.
Q-4 Propose a mechanism for Painorphin (a new syntheticopiate). It has been found to have analgesic propeties and thereceptors it binds to have been localized to the dorsal horn of thegray matter of the spinal cord on axon terminals of pseudounipolarneurons.
Q-5 In your OWN words, describe the steps involved inphototransduction in rod cells. Start with a photon of light andend with an action potential in the optic nerve.
Q-6 Explain what YOU would expect to happen if a drug whichblocked the cation channel in the photoreceptive cells was appliedto the left eye.
Q-7 Using the patellar relfex as an example, explain theconcept of spinal relfexes and why we have them.
Q-8 Legend: (+) excitatory synapse, (-) inhibitory synapse,Blue Cell (sensory), Green Cells (interneurons), Red/Orange Cells(motor neurons) red neuron motor neuron to knee extensors, orangeneuron - motor neuron to knee flexors. Is the above diagram anaccurate representation of a potential set of circuitry that wouldlead to an effective reflex (Yes/No)? Explain Why or Why Not.
Q-9 In your OWN words, using full sentences, compare andcontrast the somatic motor nervous system and the autonomic nervoussystem (ANS).
Q-10 If a nicotinic, cholinergic receptor-agonist was drippedon the heart, how would you expect the heart to respond? Wouldheart rate and/or contractility increase/decrease/or show nochange? Explain your answer
