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- Which of the following cells of the nervous system is correctly matched with its function? Astrocyte – CSF secretion Microglial cell – phagocytosis Oligodendrocyte – removal of glutamate Ependymal cell – production of myelinA metabotropic receptor Is a G protein coupled receptor May activate ion channels All of these May activate second messengersWhich alternative best describes the microglial cells? -they are concentrated in areas of damage or stroke -they generate micro tears in neuron axons -they produce CSF -myelin sheath producers
- The Generation, Transmission and Integration of Neural Signals Direction: Fill the blanks with the correct word that completes the paragraph. (1) ______________________ are a group of endogenous chemicals responsible for signaling between neurons and other cells (there is very little direct “electrical” connection between neurons). Thus, signaling of the nervous system is a bioelectrochemical process affected by neurotransmitters. Neurotransmitters act on proteins called (2) _______________, which are found on cell membranes in synapses. (3) _______________ are very narrow gaps (20–50 nm) between neurons allowing for chemical transmission via neurotransmitters. The binding of neurotransmitters to pre- and post-synaptic receptors results in changes in the polarization of the cell. Neurotransmitter actions that increase the likelihood of initiating an action potential are called (4) __________________ (EPSPs) while those that reduce the likelihood of an action potential are termed (5)…What is maladaptive neuroplasticity? Neuroplasticity that affect the autonomic nervous system Neuroplasticity that has adverse effects Neuroplasticity that only last a short time Neuroplasticity that is dormant and cannot be activatedThe following diagram helps explain which of the following phenomena? C fiber (nociceptive) Inhibitory interneuron Projection neuron Aß fiber (non-nociceptive) Chronic Pain C-Fibres Gating Neuropathic Pain Inflammation
- Each of these brightly colored sticky notes represents a piece of information that someone doesn’t want to forget. Although we are all forgetful sometimes, most people do not have trouble remembering things that are important or routine to us, such as our friend’s name or how to get to class. Our brain, the control center of the nervous system and the rest of the body, normally allows us to retain and recall information. But if the brain becomes damaged, a person may need to rely excessively on external reminders — like this wall of sticky notes — rather than being able to trust their own memory. That is if they are able to remember to write things down in the first place. One person having trouble with their memory is Rosa, who is 68 years old. Rosa has been having difficulty remembering where she has set down objects in her house and forgot about a few doctor’s appointments and lunches she planned with friends. Her family began to notice that she would sometimes not recall recent…The blood brain barrier can be attributed primarily to which cell type? Tight junction between Smooth muscle cells of the vasculature wall Tight junction between astrocytes Gap junction between glial cells O Tight junction between Endothelial cellsThe central nervous system provides neural integration of efferent information transmitted from the autonomic nervous system. True or false
- Which of these molecules is most likely to interact with an intracellular receptor? НО НО. H₂N ОН ОН ID Н Н NH₂ ОН NH2type of heurgllal cell in thé föllowing figures and indicate if this type of cell is located in the central or peripheral nervous system. Blood Vessel Cell Type: Cell Type: Cell Type: Location: Location: Location: Unit 10 | Nervous System 333 Answers in as fast as 30 minutesWhich of the following receptors is most implicated in the energy crisis following a concussion? AMPA NMDA Kainate All of the above