University:
York University
Course:
NURSING 2534 | Pathophysiology
Academic year:

2023
Views:

154

Pages:

2
Author:

Niklas

Neurological - main processing area CNS - central Nervous System ✓ Brain ✓ Spinal Cord - CPU - receives & transmits impulses relay impulses (acts as a highway) PNS - peripheral Nervous System ✓ Nerves - found in the extremities a. Autonomic nervous system - not dependent to the brain SNS (sympathetic nervous system) ✓ ABS (all body system) ✓ all constrict VC (vasoconstriction) except: - pupils: PD - Bronchus: BD Bronchodilators SE: tachycardia hypertension Sexual activity BS affected ✓ SNS (before) ✓ PNS (after) → POINT and SHOOT SE: unwanted effect AE: adverse effect ME: life threatening withdrawal effect: Opposite effect PNS alcohol (depressant) so: decrease BDP increase urine function PNS - SE PNS - AE SNS - WE (insomnia, tremor, more, irritable) CNS X Brain - Control Center ✓ 10-15% functional area of the brain (multiple intelligence) ✓ 120% - genius (↓ 10-15% - mental retardation) ✓ composed of 2 hemispheres - left and right not crossed → pyramid (C): neck (face not affected) - decussation of nerves Body body right handed L hem. dominant - analytic thinkers R hem. dominant - artistic, creative parts of the Brain Cerebrum - biggest part of the brain (Brum - big) - 4 lobes Cerebellum - small brain Diencephalon Brainstem - medulla oblongata - oblong shape