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Unformatted text preview: Guided Reading - The Nervous System: Neurons and Synapses III 1. The normal effect of b-endorphin can be blocked by A. curare. B. naloxone. C. muscarine. D. nicotine 2. Astrocytes can be excited by changes in intracellular Ca 2+ concentration. True False 3. Which of the following is NOT true of axonal transport? A. uses molecular motors B. can transport anteroretrograde C. has one fast and two slow components D. is a passive process 4. What structure is found around PNS axons that is NOT found around CNS axons? A. nodes of Ranvier B. myelin sheath C. neurilemma D. plasma membrane 5. What is present at the axon hillock that allows the production of action potentials? A. voltage-gated channels B. ligand-gated channels C. muscarinic receptors D. chemical-gated channels 6. The blood-brain barrier results mostly from the action of __________, a type of glial cell. A. ependymal cells B. microglia C. astrocytes D. oligodendrocytes 7. Alzheimer's disease is associated with the loss of cholinergic fibers that end at the hippocampus and cerebral 7....
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This note was uploaded on 03/20/2012 for the course MCB 32 taught by Professor Smiley during the Fall '11 term at Cal Poly.
- Fall '11