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- An action potential is generated at the... trigger zone of the axon postsynaptic membrane cell body axon terminalWhich of the following is involved in signaling/communication during cellular processes: Select one: a. myostatin receptor b. all of the above c. RAS d. acetylcholine e. calcium Clear my choiceCNS blood vessels are ___________ by neurons releasing __________ and __________ releasing prostaglandins. constricted, nitric oxide, neurons dilated, nitric oxide, astrocytes strengthened, growth factor, microglia strengthened, nitric oxide, oligodendrocytes
- Describe how an action potential is generated across the axon. Make sure to explain the role of Na+ and K+ channels and pump in this process.Heroin mimics the actions of endorphins, inhibiting pain signals and creating a “high” feeling. Heroin is an example of a(n): a. protagonist. c. agonist. b. antagonist. d. glial cell.If the concentration of Na+ inside of a cell increases, the Nernst potential for Na+ will do what? Become more positive Become more negative Not change Not sure
- Fill in the blank: When sodium ions are actively transported outward through a nerve cell membrane, _______________________ions are transported inward.identify each of the following as the set point, a receptor, the control center or an effector. Brain 98.6 oF Temperature sensitive nerve cells in the skin. Sweat glandsRepolarization of an axon during an action potential is produced by a. inward diffusion of Na+. b. active extrusion of K+. c. outward diffusion of K+. d. inward active transport of Na+.
- Fill in the blanks: When a nerve cell is at rest, there is a relatively greater concentration of _______________________ ions outsideof its membrane.Which type and speed of slow axonal transport moves distinct polypeptides to the neuronal periphery? SCa 0.1 to 1mm/day SCa 1 to 3mm/day SCb 1 to 3mm/day SCc 0.1 to 100mm/dayCompare and contrast the receptors and signalling cascade, and the physiological roles for two neurotransmitters in the brain. I need to write 500 words on this question. Can you please help me with this question and can you aslo please send me the reference of the answer.
