Test 8 Neuro System Notes Flashcards
What is the function of the neuro system
To send and receive messages
What is a neuron
A nerve cell
What is synapse
The connection between another cell
What is an afferent neuron
Body to brain (Senses: Pain. Hot, Cold, Smell)
What is an Efferent neuron
Brain to body (Movement)
What is an Associative neuron
Connector neurons (Reaction time/ Trying to figure out what to do)
What is included in the Central Nervous System (CNS)
Brain and Spinal Cord
What is included in the Peripheral Nervous System
Nerves
What does the brain stem control
(Vital Signs) Heart rate, breathing, Adrenaline, etc.
What do the meninges do
They act as a covering for the brain and spinal cord
What are the three layers of Meninges
- Dura
- Arachnoid
- PIA
What layer of meninge is the Arachnoid
Middle (It looks like a spider web)
What layer of meninge is the PIA
Innermost (It is delicate and thin)
What layer of meninge is the Dura
The outer most (Tough layer)
What is Cerebrospinal fluid (CSF)
Fluid protecting meninges (Meningitis?)
How many Pairs of cranial nerves are there
12
How many Pairs of Spinal Nerves are there
31
What does the Frontal Lobe do?
High level thinking and controls emotions
What does the Motor cortex do?
Controls movement
What does the Sensory Cortex do?
Controls sensations
What does the Parietal lobe do?
Controls perception and makes sense of the world
What does the Occipital lobe do?
Controls vision
What does the Temporal lobe do?
Controls memory, understanding and language
What is a cerebro vascular accident
A stroke due to no oxygen to the brain
What does a Ischemic cerebro vascular accident consist of AND how do you cure it
Blood clot that is cured by Blood thinners
What does a Hemorrhagic cerebro vascular accident consist of and how do you cure it
When the blood vessels burst and only surgery will cure it
What does FASTER stand for
F ace
A rms
S tability
T alking
E yes
R eact
What do dendrites do
Receive messages
What is another word for cell bodies
Soma
What does an axon do
It is the thing that messages are sent along
What is myelin and what does it do
It is a covering around the axon that speeds up messages
What are the two categories under PNS
Somatic and Autonomic
What is the difference between Somatic and Autonomic
Somatic is Voluntary and Autonomic is In-voluntary
T/F
Autonomic is Fight or flight
False Somatic is Fight or Flight
T/F Somatic is fight or flight
True
What does Hemiplegia mean
When one side of the body is paralyzed
