Podcast
Questions and Answers
What does the parasympathetic nervous system do?
What does the parasympathetic nervous system do?
Which of the following is NOT a type of receptor that cholinergic agonists affect?
Which of the following is NOT a type of receptor that cholinergic agonists affect?
Cholinergic agonists constrict the pupils of the eye.
Cholinergic agonists constrict the pupils of the eye.
True
Which of the following is an effect of cholinergic agonists on the lungs?
Which of the following is an effect of cholinergic agonists on the lungs?
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What is the primary use of Bethanechol Chloride?
What is the primary use of Bethanechol Chloride?
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Which of the following is a side effect of Bethanechol Chloride?
Which of the following is a side effect of Bethanechol Chloride?
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Which of the following is NOT a recommended nursing intervention for patients taking Bethanechol Chloride?
Which of the following is NOT a recommended nursing intervention for patients taking Bethanechol Chloride?
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Pilocarpine is a cholinergic agonist used to treat which condition?
Pilocarpine is a cholinergic agonist used to treat which condition?
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How does Pilocarpine decrease pressure in the eye?
How does Pilocarpine decrease pressure in the eye?
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Study Notes
Cholinergic Agonists
- Cholinergic agonists stimulate the parasympathetic nervous system, mimicking the neurotransmitter acetylcholine.
- They affect muscarinic receptors, influencing smooth muscles and slowing heart rate.
- They also impact nicotinic receptors, affecting skeletal muscles.
Effects of Cholinergic Agonists
- Eye: constrict the pupil
- Lungs: constrict bronchioles, increase secretions
- Heart and Blood Vessels: decrease heart rate, dilate blood vessels
- Gastrointestinal: increase peristalsis and secretions
- Bladder: constrict the bladder
- Salivary and Sweat Glands: increase secretions
Cholinergic Agonist - Bethanechol Chloride
- Action: Stimulates cholinergic receptors, causing bladder contraction.
- Other effects include increased GI secretions and peristalsis, increased bronchial secretions/bronchoconstriction, and pupil constriction.
- Uses: Treat urinary retention.
- Side Effects/Adverse Reactions: blurred vision, increased secretions (lungs, GI tract, sweat), orthostatic hypotension, bronchoconstriction, hypotension, tachycardia.
Assessment
- Vital signs
- Urine output
- Medication/medical history
Interventions
- Monitor vital signs (watch for decreased BP and pulse)
- Monitor lung sounds
- Monitor GI/GU status
- Monitor and record intake/output
- Administer 1 hour before or 2 hours after meals
- Monitor for overdose (signs include muscle weakness, increased salivation)
- Antagonist: Atropine
Teach Client
- Monitor blood pressure and heart rate (report any changes)
- Rise slowly from a lying position
- Take medication on an empty stomach (one hour before or two hours after meals)
- Report muscle weakness or increased salivation
Evaluations
- Client able to empty bladder
Cholinergic Agonist - Pilocarpine
- Action: Constricts the pupil, opening the canal of Schlemm to promote drainage of aqueous humor.
- Uses: Decrease pressure in the eye in diseases such as glaucoma.
- Administered as eye drops.
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Description
Explore the function and effects of cholinergic agonists, which stimulate the parasympathetic nervous system by mimicking acetylcholine. This quiz covers their impact on various organs and focuses specifically on Bethanechol Chloride's uses and side effects. Test your understanding of how these compounds affect the body.
