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Chapter 16

QuestionAnswer
What are the sensory pathways? Posterior column, spinothalamic, spinocerebellar
What is a first order neuron? sends sensory info to CNS
What is a second order neuron? an interneuron located in either the spinal cord or brain stem
what is a third order neuron? carries information from the thalamus to the cerebral cortex
Where does fasciculus gracilis get sensory info from? below diaphragm
where does fasciculus cuneatus get sensory info from? above diaphragm
What does the posterior column sense? fine-touch, vibration, pressure, and proprioception
What does anterior spinothalamic tract sense? crude touch and pressure
what does lateral spinothalamic tract sense? pain and temperature
what does spinocerebellar pathway sense? proprioceptive input from golgi tendon organs, muscles spindle, and joint capsules
Which sensory pathway doesn't contain a third order neuron? spinocerebellar pathway
Lateral corticospinal tracts control the _______ fine, skilled voluntary movements
Anterior corticospinal tracts control _________ muscles of trunk/proximal limbs, helping with posture and gross movements
Corticobulbar tracts control _________ muscles in the face
Corticospinal tracts control _________ muscles in the trunk and limbs
disorientation, restlessness, confusion, hallucination, agitation, alternating with other conscious states delirium
progressive decline in spatial orientation, memory, behavior, and language dementia
reduced awareness, easily distracted, easily startled by sensory stimuli, alternates between drowsiness and excitability; resembles minor form of delirium state confusion
extreme drowsiness, but will respond to normally to stimuli somnolence
conscious but unresponsive, no evidence of cortical function chronic vegetative state
can be aroused by normal stimuli asleep
can be aroused by extreme/repeated stimuli stupor
cannot be aroused and does not respond to stimuli coma
Created by: qclemenz
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