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Pharm. Ch. 20
Cholinergic Drugs
Question | Answer |
---|---|
What is acetylcholine? | the neurotransmitter responsible for transmission of nerve impulses to effector cells in the parasympathetic nervous system |
What is acetylcholinesterase? | the enzyme responsible for the breakdown of acetylcholine |
What is alzheimer's disease? | disease of the brain that is characterized by progressive mental deterioration menifested by confusion, disorientation, and loss of memory ability to concentration |
What is cholinergic recptor? | a nerve receptor that is stimulated by acetylcholine |
What is miosis? | the contraction of the pupil |
What are muscarinic recptors? | cholinergic recptors that are located post synaptically in the effector organs such as smooth muscle, cardiac muscle and glands supplied by parasympathetic fibers |
Whatare nicotine receptors? | cholinergic receptors located in the ganglia of both the PNS and the SNS |
What are parasympathomimetics? | drugs that mimic the parasympathetic nervous system |
Cholinergic, cholinergic agonists and parasypathomimetics are all? | terms for the class of drugs that stiumlate that PNS |
The primary neurotransmitter of the PNS is? | acetylcholine |
What are the two types of cholinergic receptors? | nicotine and muscarinic |
A pt is taking the direct acting cholinergic drug bethanechol before meals. after 3 days he calls his health care provider's office and complains of occasional N & V. the nurse should give which instruction? | take this med with meals to reduce GI upset |
The family of a pt who has recently been diagnosed with alzheimer's diesease is asking about a new med to treat this disease the pt says i'm so excited that there are drugs that can cure this disease, what would the nurse say? | These drugs do not cure. lets talk about what the physicial said to expect with the new med |
The nurse is giving a dose of bethanochol to a postopertative pt. the nurse is aware that contraindication to bethanechol include? | peptic ulcer |
A pt took an accidental overdose of a cholinergic drug while at home. he somes to the ER with severe ab cramping and bloody diarrhe. the nurse expects which drug will be used to treat? | Atropine |
Aa pt with myasthenic gravis has received a prescription for mestinon the nurse should include what teaching? | The drug should be taken 30 min before eating |