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CCT Neurology


The nervous system is divided into two different systems, what are they? the Central Nervous System (CNS) and Peripheral Nervous System (PNS).
The CNS is comprised of what? The brain and spinal cord.
The PNS is comprised of what? The spinal and cranial nerves.
Afferent pathways (ascending pathways) carry sensory impulses which way? They carry sensory impulses toward the CNS.
Efferent pathways (descending pathways) carry impulses which way? They carry sensory impulses away from the CNS to effector organs, such as muscles, (smooth or skeletal) and glands.
The voluntary (somatic) nervous system is composed of: nervous system fibers that connect the structures of the CNS with skeletal muscles and integument.
The involuntary (autonomic) nervous system is divided into the: Sympathetic and parasympathetic branches.
Sympathetic nervous system... Fight or flight
Parasympathetic nervous system... Rest and relax
What is the largest component of the CNS? The brain.
The entire CNS is enclosed by a set of three membranes collectively known as: The meninges.
The cranial meninges consist of three layers: The dura mater, the arachnoid mater and pia mater.
The dura mater is the: External thick, dense fibrous membrane.
The arachnoid mater is the: Intermediate, delicate membrane.
The pia mater is the: Internal delicate, vascular membrane.
The subarachnoid space between the arachnoid and pia is actually a space that contains? CSF, trabeculae, arteries, and veins.
The lateral ventricles are important for what? ICP monitoring, CSF drainage, or placement of a CSF shunt.
CSF has what role? It surrounds the brain and spinal cord, it provides a protective mechanism by acting as a shock absorber, and participates removal of waste from the cerebral tissue.
CSF is made up of how many ml? About 125-150 ml of CFS.
Neurotransmitters for the sympathetic nervous system are? Acetylcholine, epinephrine, and norepinephrine.
There are four lobes in the brain, what are they? Frontal, parietal, temporal and occipital.
Frontal lobe functions are what? Personality, behavior, intellect, short term memory, motor speech.
Parietal lobe functions are what? Sensory integration, object recognition, localizes sensory information to the body surface.
Temporal lobe functions are what? Emotion, long term memory, processing of auditory input, sensory speech.
Occipital lobe functions are what? Processing of visual input.
Created by: robillard.james