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Chapter 18

Adrenergic Drugs

TermDefinition
The body's nervous system is divided into 2 major branches CNS and PNS
The CNS contains The brain and spinal cord
The PNS is subdivided into Somatic and autonomic nervous systems
the autonomic is subdivided into parasympathetic (cholinergic) and sympathetic (adrenergic)
Adrenergic compounds include exogenous (synthetic) and endogenous (produced naturally in body) substances. They have a wide variety of therapeutic uses dependent on site of action and effect on adrenergic receptors.
The 3 endogenous SNS neurotransmitters are norepinephrine, epinephrine, dopamine
chemically classified as catecholamines (produced naturally in body) norepinephrine, epinephrine, dopamine
exogenous catecholamine (synthetic) dobutamine
At these receptors, adrenergic drugs bind and produce effects ADRENERGIC RECEPTORS
receptor sites for the catecholamines norepinephrine and epinephrine throughout the body are referred to as adrenergic receptors
The beta-adrenergic receptors are all located on postsynaptic effector cells
Created by: eric6740
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