PP Neuro Flashcards
What is the peripheral nervous system?
Everything else; Schawnn cells
What is the central nervous system?
Brain and spinal cord; oligodendrocytes
What is the autonomic nervous system?
Automatic stuff
What is the somatic nervous system?
Moving your muscles
What is the parasympathetic system?
Rest-and-digest=> slow stuff down
How does the parasympathetic system behave?
"DUMBBLES" Diarrhea Urintion Miosis "constriction" Bradycardia Bronchoconstriction Erection "point" Lacrimation Salivation
What is the sympathetic system?
Fight-or-Flight => speeds stuff up
How does the sympathetic system behave?
Opposite to the parasympathetic Constipation Urinary retention Mydriasis Tachycardia Bronchodilate Ejaculation Xerophthalmia (dry eyes) Xerostomia (dry mouth)
What is Cushing’s triad?
HTN
Bradycardia
Irregular breathing
What is Budd-Chiari?
Hepatic vein obstruction
What is Arnold-Chiari?
Foramen Magnum obstruction
What is Anencephaly?
Notochord did not make contact w/brain => only have medulla
What is an Encephalocele?
Brain tissue herniation?
What is a Dandy Walker malformation?
No cerebellum
Distended 4th/ lateral ventricle
What is an Arnold-Chiari malformation?
Herniation of cerebellum through Foramen magnum
Type I: cerebellar tonsils (asymptomatic)
Type II: cerebellar vermis / medulla => hydrocephalus, syringomyelia
(lost of pain /temp)
What is Spina bifida occulta?
Covered by skin w/ tuft of hair
What is Spina bifida aperta?
Has opening (high AFP)
What is a Meningocele?
Sacral pocket w/ meninges in it
What is a Meningomyelocele?
Sacral pocket w/ meninges and nerve in it
What is an Open-angle glaucoma?
Overproduction of fluid => painless ipsilateral dilated pupil, gradual tunnel vision, optic disc cupping