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Since Her Fall Several Weeks Ago,Juanita Has Drifted into and Out

question 76

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Since her fall several weeks ago,Juanita has drifted into and out of consciousness.Her arousal and/or alerting mechanisms apparently are not functioning properly.What specific area of the brain is most likely responsible for these factors?


Definitions:

Neurotransmitters

Chemicals released by nerve cells to transmit signals across a synapse to another nerve cell, muscle cell, or gland cell.

Synaptic Cleft

Space between the presynaptic and the postsynaptic membranes.

Postsynaptic Membrane

The part of the cell membrane of a neuron that is on the receiving end of a synapse, where neurotransmitter receptors are located.

Excitatory Postsynaptic Potential

A temporary increase in synaptic potential that makes a post-synaptic neuron more likely to generate an action potential.

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