118129
Descripción
Fichas por lauratyley, actualizado hace más de 1 año
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Creado por lauratyley
hace más de 11 años
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| Pregunta | Respuesta |
| what type of receptors are present on neuromuscular junctions? | nicotinic cholinergenic receptors |
| explain features of intermediate nuerones | many short dendrites synapsising with a number of different nureones, cell bodys in the spinal chord, intergrate infomation from lots of different areas and pass on action potentials to other neurones |
| what is the significance of exsitory and inhibitory action potentials with regards to the centeral nervouse system | the balance between excitiroy and inhibitory action potentials at a synapse of an intermediate nuerone are the deciding factor on whether the intermediate nureones pass on the action potential to other nuerones |
| Explain the layout of a sensory neurone | receptor action potential down long dendrite to cell body and then from cell body to the cns |
| what nerve do the motor nuerones leave the central nervouse system in | the venteral root |
| what nerve do the sensory nuerones enter the cns in? | the spinal nerve through a dorsal root |
| the automic nervouse system consistes of which neurone? | Motor |
| how does an action potential get from the cns to the automic ganaglia | leaves cns in the PREGNAGLIANIC NUERONE which leaves the cns via the venteral root, synapses with the motor nurones in the automic ganglia |
| The parasympathetic nervouse system comes from which part of the brain? | base of the brain, top of the spinal chord, base of the spinal chord |
| what effect does the parasympathetic transmittor substance have? ` | inhibitory |
| the vagus nerve is another word for | the cranial nerve |
| a large area that the parasympathetic nervous system is involved in is.,. | the abdomen/thorax |
| in the sympathetic nervous system what does acetycholine nuerotransmittor stimulate | erector muscle & sweat glands |
| the effect of the sympathetic nervous system on the alimentary canal | the sympathetic nervous system causes the constricition of artieroles supplying blood to the alimentary canal |
| the effect of the sympathetic nervous system on the gut | no blood flow to the gut, no peristalsis, less digestion, no secretions |
| the effect of the sympathetic nervous system on the liver | to convert glycogen which is stored as glucose to use a respiratory substrate and glucose is released |
| the effect of the parasympathetic nervous system on the gut | causes glucose to be converted to glycogen for storage, glucose is taken up by the liver |
| what are/what is the function of gial cells | schwann cells are an example of gial cells. the central nervous system is made of nuerones and gial cells. The function of them is to help nutrients from blood - nuerones. maintain the balance of ions in the cerbro spinal fluid, |
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