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Neurotransmitters T
Townsend - Nursing psych
| Question | Answer |
|---|---|
| Psychotrophic Drugs | Mind altering All affect the action or level of neurotransitter |
| Dopamine ( DA ) | Smooth muscle movement and coordination ,involved in emotions Helps with decision making |
| Levels of Dopamine ( DA ) to low | * Parkinson's * Depression |
| Levels of Dopamine ( DA ) to high | * Schizoprenia * Mania |
| Norepinephrine (NE) "Fight or Flight " | Plays a major role in : * Mood regulation * Cognition * Perception * Locomotion * Cardiovascular function * Sleep/ wakefulness |
| Levels of Norepinephrine (NE) too low | * Depression |
| Levels of Norepinephrine ( NE) to high | * Schizophrenia * Mania * Anxiety |
| Serotonin (5HT) | * Sleep and wake * Coordination * Libido * Appetite * Mood * Aggresion * Perception |
| Levels of Serotonin (5HT) too low | * Depression |
| Levels of Serotonin (5HT) too high | * Mania * Anxiety |
| SSRI | Selective Serotonin Reuptake Inhibitor - Keeps the levels higher than normal |
| Acetycholine (Ach) | *Sleep/wake cycle * Pain perception *Coordination of movement |
| Acetycholine (Ach) Levels too High | * Depression |
| Levels of Acetycholine (Ach) too low | * Lack of inhibition * Poor short-term memory * Alzheimer's * Parkinson's |
| Gamma-Aminobutyric Acid (GABA) | Slows Activity |
| Levels of GABA too low | * Anxiety Disorders * Movement Disorders * Epilepsy |
| Levels of Gaba too High | * Sedation * Decreased memory * Anticonvulsant |
| Status Epilepticus | A condition involving non - stop seizures . GIVE IV Valium or Ativan ( Benzodiazepines- Increase GABA and calms the brain). |
| Growth Hormone | Protein synthesis |
| Hormones | Neuroendocrine System |
| Thyroid Stimulating hormone (TSH) | Metabolism |
| Levels of TSH too high | * Emotional lability * Insomnia * Anxiety |
| Levels of TSH too low | * Fatigue * Depression |
| Adrenocortocotropic Hormone (ACTH) | Stimulates Cortisol Secretion |
| Levels of ACTH too high | * Mood disorders * Psychosis |
| Levels of ACTH too low | * Depression * Apathy - dont care attitude * Fatigue |
| Gonadotropic Hormones | Estrogen , Progesterone, Testosterone |
| Levels of Estrogen too low | * Depression * Anorexia nervosa |
| Levels of Testosterone too high | * Increased sexual Behavior * Aggressiveness |
| Diagnostic Tests | EEG - Electrical activity of brain CT Scans, MRI PET - Possitive Emission Tomography ) Radioactive substance image. * glucose metabolism * O2 utilization * Neurotransmitter activity |
| Neurotransmitters | Chemicals in the brain Help carry impulses between neurons |
Created by:
rkasiejka27
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