Exam 14: Muscarinic Agonists and Antagonists

A patient received atropine intravenously before surgery. The recovery room nurse notes that the patient is delirious upon awakening and has a heart rate of 96 beats per minute,a respiratory rate of 22 breaths per minute,and a blood pressure of 110/78 mm Hg. The nurse notifies the anesthesiologist,who will order:

A prescriber has ordered pilocarpine [Pilocar]. A nurse understands that the drug stimulates muscarinic receptors and would expect the drug to have which action?

A prescriber has ordered bethanechol [Urecholine] for a postoperative patient who has urinary retention. The nurse reviews the patient's chart before giving the drug. Which part of the patient's history would be a contraindication to using this drug?

A patient has developed muscarinic antagonist toxicity from ingestion of an unknown chemical. The nurse should prepare to administer which medication?

An older adult patient who lives alone and is somewhat forgetful has an overactive bladder (OAB)and reports occasional constipation. The patient has tried behavioral therapy to treat the OAB without adequate results. Which treatment will the nurse anticipate for this patient?

A patient who has esophageal cancer is experiencing dry mouth and the provider orders oral pilocarpine to treat this symptom. What will the nurse expect to teach this patient about this medication?

A patient will begin using a transdermal preparation of a muscarinic antagonist for overactive bladder (OAB). The nurse teaches the patient what to do if side effects occur. Which statement by the patient indicates the need for further teaching?

Bethanechol [Urecholine] is used to treat urinary retention but is being investigated for use in which other condition?

A patient receives topical atropine to facilitate an eye examination. The nurse will tell the patient to remain in a darkened room or to wear sunglasses for several hours until the effects of the medication wear off. This teaching is based on the nurse's knowledge that muscarinic antagonists cause: