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One of the two major nuerotransmitters in the body which acts on the parasympathetic nerves.
acetylcholine
What are agents that block the release of epinephrine and norepinephrine and inhibit the adrenergic system called?
adrenergic blocking agents
What are drugs called that produce effects in the body similar to those produced by norepinephrine?
adrenergic drugs, or sympathomimetic drugs
Nerve fibers that release norepinephrine are called what?
adrenergic fibers
Agents that block the release of acetylcholine and inhibit cholinergic activity are called what?
anticholinergics
What are the primary category of prescription anticonvulsants used for their sedative effect on the brain and have a long duration of action?
Barbiturates
Adrenergic drugs, or sympathomimetic drugs are also referred to as what?
catecholamines
What are the 3 naturally occurring catecholamines in the body?
norepinephrine, epinephrine, and dopamine
What is made up of the brain and the spinal cord and is located within the cranial cavity of the skull and the vertebral canal of the spinal column?
Central Nervous System
What are the drugs whose action is similar to acetylcholine called?
cholinergic drugs, or parasympathomimetic drugs
Nerve fibers that release acetylcholine are called what?
cholinergic fibers
Does the hypnotic agent relax tghe patiet or produce sleep?
produce sleep
Define idiopathic
of unknown cause
Define initial insomnia
Difficulty falling asleep
What is the inability to stay asleep called?
intermittent insomnia
What are chemical messengers released at the end of one neuron and passes across a small gap to activate the next neuron in the chain. At the end of the nerve chain, it stimulates an organ, smooth muscle, or gland to produce a physiologic response?
Neurotransmitters
One of the two major neurotransmitters in the body which acts on the sympathetic nerves is called what?
norepinephrine
Which chronic disorder of the CNS is thought to involve an imbalance in chemical neurotransmitters within the brain. Problems seem to stem from too much acetylcholine and not enough dopamine in the basal ganglia.
Parkinsons
What includes all nervous structures (ganglia and nerves) that lie outside the cranial cavity and the vertebral canal. These include the cranial and spinal nerves and the sympathetic division of the autonomic nervous system.
The peripheral nervous system
What is a structure that acts as a “lock” for a specific chemical (“key”) that must fit before an action can be produced?
Receptor
Does a sedative agent actually produce sleep or relas the patient allowing them to sleep?
Relax the patient
What are sudden muscle contractions that happen without conscious control?
Seizures
What is a condition called in which a series of severe grand mal seizures occur one after another without stopping?
status epilepticus
What refers to early awakening with an inability to return to sleep?
Terminal insomnia
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