Nervous System Flashcards
Fundamental unit of the nervous system
Neuron
Falls asleep very easily
Somnolent
LOC suppressed
Obtunded
What do we need to maintain consciousness?
- Neurotransmitters
- Fuel (glucose)
- Physical connections of the nerves
- O2
- Circulation
2 questions to ask in regards to altered LOC
- Why?
- Is there something I can do about it?
Disruption of balance between inhibition and excitation
Epilepsy
Enables muscle action, learning, and memory
Acetylcholine (ACh)
Influences movement, learning, attention, and emotion
Dopamine
Affects mood, hunger, sleep, and arousal
Serotonin
Helps control alertness and arousal
Norepinephrine
A major inhibitory neurotransmitter
GABA (gamma-aminobutyric acid)
A major excitatory neurotransmitter; involved in memory
Glutamine
Protective membranes that cover the entire CNS
Meninges
an atypical pattern of breathing involving deep breathing followed by shallow breathing
Cheyne Stokes
What is the Frontal Lobe responsible for?
- Movement
- Thinking initiation
- Reasoning (judgement)
- Behaviour (emotions)
- Memory
- Speaking