Autonomic Nervous System drugs Flashcards
What are the two branches of the ANS?
-SNS
- Parasympathetic nervous system
Adrenergic agonists, also called ______, are drugs that mimic the effects of the SNS and are used to simulate the adrenergic receptor within the SNS.
SYMPATHOMIMETICS
______ is used to treat shock, cardiac standstill, and certain arrhythmias when used systemically.
ISOPROTERENOL
________ is an autoimmune disease characterized by antibodies to the ACh receptors.
MYASTHENIA
These drugs block the effects of acetylcholine at cholinergic receptor sites, thus blocking the effects of the parasympathetic nervous system.
ANTICHOLINERGIC DRUGS
_______ is made from choline and acetyl CoA
Acetycholine (ACh)
ADVERSE REACTION :
DUMBBELS
D- Diarrhea
U- Urination
M- Miosis and Muscle Weakness
B- Bronchorrhea
B- Brachycardia
E- Emesis
L- Lacrimation
S- Salivation/Seating
Parasympathetic nervous system blockage causes:
Increase in heart rate, decrease in GI activity, decrease in urinary bladder tone and function, pupil dilation and cycloplegia.
What is the most commonly used anticholinergic drug that is indicated for a wide variety of conditions and is available in oral, parenteral, and topical forms?
Atropine
______ are chemicals that act at the same site as the neurotransmitter ACh, stimulating the parasympathetic nerves, some nerves in the brain, and the neuromuscular junction.
Cholinergic drugs
The patient is diagnosed with Alzheimer’s disease which is progressive dementia defined by neocortical loss of ACh-producing neurons and ACh receptor sites. To manage Alzheimer’s disease the ACh levels in the brain should be increasing and to slow the progression of the disease. what kind of inhibitor is used?
Acetylcholinesterase inhibitors
Drugs act through receptors by binding to the receptors to initiate a response or prevent a response.
Receptor Theory
________ drugs that produce a response that enhanced cellular activity
Agonist
What is the goal of autonomic drugs?
-to correct disorders of target organs through autonomic nerves,
List of effects of Alpha2-receptor
Blood vessels
- decreased blood pressure (reduced norepinephrine)
Smooth muscle (gastrointestinal tract)
- decreased gastrointestinal tone and motility