CNS - BRAIN Flashcards
Structure of the brain that has a motor function, motos speech area, controls morals, values emotions, and judgment. Schizophrenia problem usually from here.
Cerebral Cortex - Frontal
Integrates general sensation; governs discrimination; interprets pain, touch, temperature, and pressure.
Parietal
Auditory and speech center.
Temporal
The visual area.
Occipital
The central motor movement. It coordinates sensory and movement
Basal Ganglia
Screens and relays sensory impulses to the cortex.
The lowest level of crude conscious awareness.
Thalamus
Motor condition and eye movements
Midbrain
Contains all afferent and efferent tracts.
Most pyramidal tracts are here.
Medulla Oblongata
Connected by cerebellar peduncles to other parts of CNS. It coordinates muscle movements, posture, equilibrium, and muscle tone.
Cerebellum
TRUE OR FALSE: According to the Homunculus, the biggest sensory are found in the arms, feet, and body.
False: biggest sensory is in the hands, lips, tongue, and ears
What are the functions of CSF?
- Cushions the brain and spinal cord from forces and collision
- Reduces gravitational weight of the brain
- Adjust the changes in the intracranial vault’s pressure and volume
- Exchange of nutrients and waste materials between blood and CNS.
CSF is synthesized at ___ by the ___.
20 mL/hr by the choroid plexus
The main goal of the lumbar puncture test?
To obtain CSF for analysis.
At what position the patient should be during a lumbar puncture?
Lateral decubitus with knees (side-lying) and head tightly tucked.
At what part of the body lumbar puncture test is done?
Subarachnoid space at L3- L5
