If you were to measure the membrane potential of a Node of Ranvier during the time in which an action potential first ar
Posted: Mon Jul 11, 2022 2:28 pm
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A person goes to the doctor complaining of severe headaches. The doctor conducts a number of tests and determines that the patient has a tumor in her left primary somatosensory cortex. The tumor is removed however the patient does suffer permanent sensory damage. A. Where is the primary somatosensory cortex located? B. How is it arranged? c. What kind of information is relayed here? D. To where does this region send information? E. Explain what kind of permanent damage would result from loss of a section of the primary somatosensory cortex.
Using the GHK Equation and the following ion concentrations, calculate the Em (in mV) in the axon during an action potential: lo [Outside] [Inside] Relative Permeability n mM mM at Rest K+ Na + CI- 5 125 77 130 10 2 1.0 0.04 0.45 Relative Permeability during AP 4 25 0.45 Nernst Potential (mv) -110.2 67.4 -97.5
In - synapses, chemicals flow across synapses from a presynaptic neuron to a postsynaptic neuron or an effector tissue. This transmission takes time and is known as O A chemical; synaptic enhancement OB. chemical; synaptic delay c. electrical; synaptic enhancement OD. electrical; synaptic delay