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Foundations of Psychiatric Mental Health Nursing Chapter 3
Biological Basis for Understanding Psychiatric Disorders and Treatments
10
Nursing
Undergraduate 2
11/23/2013

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Term
Functions of the Brain
Definition
Monitor changes is the external world.
Monitor the composition of body fluids.
Regulate the contractions of the skeletal muscles.
Regulate internal organs.
Initiate and regulate the basic drives.
Mediate conscious sensation.
Store and retrieve memories.
Regulate mood and emotions.
Think and perform intellectual functions.
Regulate the sleep cycle.
Produce and interpret language.
Process visual and auditory data.
Term
Circadian rhythms
Definition
The fluctuation of various physiological and behavioral parameters over a 24 hour cycle.
Term
Neurons
Definition
Nerve cells that conduct electrical impulses
Term
Synapse
Definition
A space between neurons
Term
Receptors
Definition
Receives signals from neurotransmitters on the synapses of neurons
Term
Re-uptake
Definition
The process by which neurotransmitters are taken back into the presynaptic cell from which they were originally released
Term
Dopamine
Definition
Neurotransmitter involved in fine muscle control, and the integration of emotions and thoughts.
Decrease-Parkinson;s, Depression
Increase-Schizophrenia, Mania
Term
Norepinephrine
Definition
Neurotransmitter involved in attention and arousal, and mood.
Decrease-Depression
Increase-Mania, Anxiety, Stress, Schizophrenia
Term
Serotonin
Definition
Neurotransmitter that plays a role in sleep regulation, hormonal activity, and mood states.
Decrease-Depression
Increase-Anxiety states
Term
Histamine
Definition
Involved in alertness, and inflammatory response.
Decrease-Sedation, Weight Gain
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