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Ch 9 and 10

Study Guide on the Nervous System

QuestionAnswer
Cerebrospinal fluid is made in the structures known as choroid plexus
CSF is in the 2 large spaces inside each cerebral hemisphere know as the lateral ventricles
From the lateral ventricles, CSF then moves through the interventricular foramen into a space known as the 3rd ventricle
From the 3rd ventricle, CSF moves through the central aqueduct into the 4th ventricle
From the fourth ventricle, CSF circulates in the spinal canal which is also known as the central canal. CSF also moves from the fourth ventricle to the subarachnoid space.
CSF eventually is reabsorbed into the bloodstream (cranial venous sinus) by way of projections known as arachnoid villi
The membrane covering the brain is know as the meninges
Inflammation of the covering of the brain is know as meningitis
The grooves or cracks between gyri in the cerebral cortex are known as sulcus or fissure
The four main parts of the brain are cerebrum, diencephalon, brain stem and cerebellum
The 2 structural divisions of the nervous system are CNS and PNS
The 2 functional divisions of the nervous system are Somatic and Autonomic
The parts of the interbrain are thalamus and hypothalamus
The parts of the brain stem are midbrain, pons and medulla oblongota
The functions of the cerebellum are muscle tone, balance and coordinated voluntary movement.
The 8th cranial nerve is attached physically to the pons
The 8th cranial nerve carries info that will be interpreted as hearing in the temporal lobe of the cerebrum
The 8th cranial nerve also carries info that will assist with balance in the part of the brain known as the cerebellum
The 1st cranial nerve carries sensory info to a lobe of the cerebrum known as the temporal lobe (olfactory-smell)
The 10th cranial nerve carries to the thoracic and abdominal cavity organs that have a cholinergic (acetylocholine) affect. This means that the branch of the ANS known as the parasympathetic branch has been activated.
The 7th cranial nerve sometimes is affected by a temporary disorder that causes one side of the face to be paralyzed. This disorder is known as Bell's Palsy
The most frequently occurring disorder of the brain is a stroke, more accurately referred to as a CVA (Cerebrovascular Accident)
In a huge number of cases prior to a stroke, the patient has experience a temporary spasm of the affected vessel, causing signs and symptoms of a stoke that come and then go away. This is highly predictive of a future stroke and is know as a TIA (Transient Ischemic Attack)
Created by: Jessica Venyke
 

 



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