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CNS
Parts of...
Question | Answer |
---|---|
What are Ascending Tracts? | Sensory Nerves - from Periphery --> Brains |
What are Descending Tracts? | Motor Nerves - from Brain --> Periphery/Muscle |
What are the clinical symptoms of dysfunction due to damaged Ascending Tracts? | Anesthesia = LOSS of Sensation --> numbness |
What are the clinical symptoms of dysfunction due to damaged Descending Tracts? | Paralysis = LOSS of Movement |
What structures make up the forebrain? | Cerebrum, Thalamus, Hypothalmus, Limbic System |
What are the functions of the Cerebrum? | 1. Sensory INTERPRETATION; 2. Voluntary Motor activity; 3. Memory; 4. Logic; 5. Judgment |
What are the functions of the Thalamus? | 1. RELAY center for Ascending tracts; 2. crude Sensory INTERPRETATION |
What are the functions of the Hypothalamus? | 1. SURVIVAL behaviors (food, water intake, body temp.); 2. Emotional Expression; 3. REGULATION of ANS and Pituitary Gland |
What are the functions of the Limbic System? | 1. Learning; 2. Emotional Responses |
Where is the Midbrains located? | CONNECTS Cerebrum with the Pons & Cerebellum |
What are the functions of the Midbrain? | supports Heraing/Visusal REFLEXES |
What structures mak up the Hindbrain? | 1. Cerebellum/Pons; 2. Medulla; 3. Reticular Formations |
What are the function of the Cerebellum/Pons? | SUBCONSCIOUS Mucle Coordination & Balance |
What are the function of the Medulla? | Heart rate, Respiration, Blood pressure |
What are the function of the Reticular Formations? | filters REPETITIVE Stimuli, determines Sleep/Wake cycles |
What symptoms would be the result of damage to the Medulla? | Death |
What symptoms would be the result of damage to the Reticular Formations? | Coma |