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medsurg- neuro
intro to NS
10
Nursing
Undergraduate 3
04/09/2013

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Cards

Term
Parietal lobe functions
Definition
- Gross sensation
- Proprioception
- Filters and integrates all sensory data
- Attention
Term
Temporal lobe function
Definition
- Auditory
- Sensory interpretation
- Learning, emotional affect
- Memories involving more than one sense
- Right: visual memory (faces)
- Left: verbal memory (names)
Term
Brainstem function
Definition
- Links cerebrum and spinal cord
- Controls involuntary functions necessary for life
- Contains cardiac, respiratory, vomiting, and vasomotor centers
- Nerves cross over in medulla (right side of brain controls left side of body, vice versa)
Term
Unique features of cerebral circulation
Definition
- Arterial and venous system not parallel
- Blood vessels in brain have 2 layers (not 3) so they're weaker
- Redundancy and collatral circulation provided by circle of willis
- Blood brain barrier limits what can enter brain
Term
Things that disrupt the blood brain barrier
Definition
- Severe HTN
- Tumors
- Trauma
- Strokes
- Infection
- Severe hypercapnia or hypoxia
- Sustained seizure activity
Term
Parkinson's disease
Definition
Destruction of the cells that make dopamine leading to loss of muscle function and tremor
Damage gets worse over time
Treat with L-Dopa
Term
Symptoms of upper motor neuron damage (brain)
Definition
- Hyperactive reflexes (reflexes still present but no modulation from brain)
- Rigidity
- Tremor
- Twisting irregular movements may be present
Term
Symptoms of lower motor neuron damage (spinal cord)
Definition
- Flaccid paralysis
- No reflexes
- Loss of muscle tone
Term
Common causes of altered LOC (AEIOU TIPS)
Definition
Alcohol
Epilepsy
Insulin
Overdose
Uremia
Trauma
Infection
Psychiatric
Stroke
Term
Decerebate vs decortiate
Definition
Turned inward: decorticate, better
Turned outward: decerebate, worse
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