Muscarinic Agonists Medications Flashcards
Action
What are muscarinic agonists primarily used for?
Muscarinic agonists are primarily used to treat conditions like glaucoma, dry mouth, and urinary retention.
True or False: Muscarinic agonists stimulate the parasympathetic nervous system.
True
Fill in the blank: Muscarinic agonists bind to _____ receptors.
muscarinic
What is a common adverse reaction of muscarinic agonists?
Common adverse reactions include bradycardia, hypotension, and increased salivation.
Which muscarinic agonist is commonly used to treat glaucoma?
Pilocarpine
Multiple Choice: Which of the following is NOT a muscarinic agonist? A) Atropine B) Bethanechol C) Carbachol
A) Atropine
What is the implication of muscarinic agonist use in patients with asthma?
Muscarinic agonists may exacerbate bronchoconstriction in asthmatic patients.
True or False: Muscarinic agonists can cause increased gastrointestinal motility.
True
Fill in the blank: The effects of muscarinic agonists are similar to those of _____ stimulation.
parasympathetic
What is the mechanism of action of muscarinic agonists?
Muscarinic agonists activate muscarinic receptors, leading to various physiological effects.
Which muscarinic agonist is often used to treat urinary retention?
Bethanechol
Multiple Choice: Which of the following is a side effect of muscarinic agonists? A) Dry mouth B) Diarrhea C) Insomnia
B) Diarrhea
What are the contraindications for using muscarinic agonists?
Contraindications include asthma, peptic ulcer disease, and urinary obstruction.
True or False: Muscarinic agonists can lead to excessive sweating.
True
Fill in the blank: Muscarinic agonists are less effective in patients with _____ receptor downregulation.
muscarinic
What is the effect of muscarinic agonists on heart rate?
Muscarinic agonists typically decrease heart rate (bradycardia).
Which muscarinic agonist can also be used in ophthalmology?
Carbachol
Multiple Choice: Which muscarinic agonist is used for its ability to stimulate saliva production? A) Pilocarpine B) Atropine C) Scopolamine
A) Pilocarpine
What is the risk of overdose with muscarinic agonists?
Overdose can lead to cholinergic crisis, characterized by excessive salivation, lacrimation, urination, diarrhea, gastrointestinal distress, and muscle twitching.
True or False: Muscarinic agonists can cause miosis (pupil constriction).
True
Fill in the blank: Muscarinic agonists may cause _____ of the bronchial smooth muscle.
constriction
What type of receptors do muscarinic agonists primarily target?
Muscarinic acetylcholine receptors
Multiple Choice: Which of the following conditions can be treated with muscarinic agonists? A) Hypertension B) Glaucoma C) Diabetes
B) Glaucoma
What is one potential implication of using muscarinic agonists in elderly patients?
In elderly patients, muscarinic agonists may increase the risk of falls due to hypotension and dizziness.
