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
