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PNR 206 Exam 3 Questions with Complete Solutions.
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PNR 206 Exam 3 Questions with Complete Solutions.PNR 206 Exam 3 Questions with Complete Solutions.
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PNR 206 Exam 3 Questions with Complete Solutions.Function of hypothalamus - ANS controls body temp, appetite, and water balance, links
nervous & endocrine systems
Afferent - ANS carries impulses TO the CNS
Efferent - ANS carries impulses AWAY from the CNS
Cranial Nerves 1-6 - ANS I. Olfactory- Smell
II. Optic- Visual Acuity (afferent impulse)
III. Coulometer- eye movement, dilation (efferent)
IV. Trochlear- Vertical Eye movement
V. Trigeminal-facial sensation
VI. Abduces-lateral movement of eyes
Cranial Nerves 7-12 - ANS VII. Facial- Taste
VIII. Auditory- Hearing & Balance
IX. Glossopharyngeal- Taste & Swallowing
X. Valgus- Sensation in throat
XI. Accessory- Head & Shoulder movement
XII. Hypoglossal- Tongue Movement
Parkinson’s disease - ANS S/S:
Tremor
Bradykinesia (slow movements)
Rigidity
Pill rolling
Mask like face
Peripheral Nervous System - ANS made up of sensory organs such as eyes, taste
buds, olfactory receptors, touch receptors
Sympathetic Nervous System - ANS fight or flight system
Increase heart rate
Increase blood pressure
Increase sweating
Pupils dilate
Parasympathetic nervous system - ANS Pupils constrict
Relaxed state
Everything remains normal or relaxed
Intracranial Pressure - ANS Normal ICP is 0-15
ICP greater than 20mm is emergent
Caused by swelling in brain, increase in CSH, swelling, increase in blood flow
, Keep HOB between 20-30 degrees
Brain tissue is compromised
Vital Signs for patient with ICP - ANS Increased BP
Increase heart rate
Elevated temp
How long can brain be without Oxygen? - ANS 4-6 mines
Genetic/Development Disorders - ANS Cerebral Palsy, Huntington Disease, Muscular
Dystrophy
Glasgow Coma Scale - ANS 15 =Optimal
3 =Comatose
If patient opens eyes, responds to pain =5
Older Persons with ICP - ANS Personality Changes
Decrease LOC
Irritability
Snelling Chart - ANS Used to test visual acuity
Tests cranial nerve ii- optic
Concussion - ANS teach patient to contact doctor is not feeling normal after 1 week
Basal Skull Fracture Signs - ANS fluid leaking from ears & nose
Raccoon Eyes
Battle Sign
Cerebral Spinal Assessment/Diagnostic Test - ANS Lumbar puncture to determine
whether CSF pressure is elevated
Requires consent form, sterile supplies
Have patient bow back, staff must wear mask
Patient must lay flat in bed for 1 hour afterwards
Craniotomy Post-Op care - ANS Keep HOB at 30 degrees
Don't move lower HOB or put patient flat (supine)
Chine-Stokes respiration - ANS cycles of alternating apnea and hyperventilation
associated with critical conditions
C-5 Spinal Injury - ANS Partial Shoulder & Elbow movement
Can assist with ADL's
Considered Tetraplegia
Head Injury Nursing Interventions - ANS Ensure airway secured
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