Autonomic Nervous System Medications: Adrenergic Agonists

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What is the primary action of adrenergic agonists such as dobutamine and dopamine?

Increased heart rate and myocardial contractility (correct)

Decreased heart rate

Bronchodilation in the lungs

Dilation of renal arteries

What are the potential adverse reactions related to sympathetic stimulation when using adrenergic agonists?

Increased salivation and lacrimation

Headache, sweating, and feelings of tension or anxiety (correct)

Nasal congestion and blurred vision

Hypotension and bradycardia

Why is it important to avoid extravasation of adrenergic agonist drugs during infusion?

To avoid excessive bronchodilation

To prevent hypotension

To avoid vasoconstriction in the area which can lead to necrosis and cell death (correct)

To prevent allergic reactions

In which condition should caution be exercised when administering adrenergic agonists?

Hypertension Signup and view all the answers

What is a crucial nursing responsibility when administering adrenergic agonists?

Assessing vital signs, especially pulse and blood pressure Signup and view all the answers

What is the primary indication for using adrenergic agonists like dobutamine and dopamine?

Shock, increase HR and BP, cardiac contractility Signup and view all the answers

What is the primary reason for using extreme caution in calculating and preparing doses of these drugs?

To minimize the risk of serious effects from small errors Signup and view all the answers

Which monitoring is important to evaluate the perfusion of the kidneys and therapeutic effects?

Monitoring urine output Signup and view all the answers

What should be maintained on standby in case extravasation occurs?

Phentolamine Signup and view all the answers

What measure should be taken when administering ophthalmic or nasal agents to assure the therapeutic effectiveness of the drug?

Use proper aseptic technique Signup and view all the answers

What should be auscultated to evaluate the effects on bronchi and respirations?

Lung sounds Signup and view all the answers

What patient understanding should be evaluated by asking the patient to name the drug, its indication, and adverse effects to watch for?

Patient compliance to drug therapy Signup and view all the answers

Which adverse effect should be monitored in patients receiving this drug therapy?

Decreased blood pressure Signup and view all the answers

What measure should be used to prevent injection and assure the therapeutic effectiveness of ophthalmic or nasal agents?

Using proper aseptic technique Signup and view all the answers

What is the purpose of monitoring laboratory test results such as liver and renal function tests?

To determine need for possible dose adjustment Signup and view all the answers

What should be monitored closely to ensure the most benefit with the least amount of toxicity?

Vital signs, ECG, and urine output Signup and view all the answers

What is the primary action of atropine?

Blocking muscarinic cholinergic receptors Signup and view all the answers

What is the origin of atropine, the prototype drug?

Derived from the plant belladonna Signup and view all the answers

Which adverse reaction is associated with the central nervous system (CNS) when using atropine?

Blurred vision and pupil dilation Signup and view all the answers

In which condition should caution be exercised when administering atropine?

Pregnancy Signup and view all the answers

What is the effect of atropine on bronchial secretions?

Depresses bronchial secretions Signup and view all the answers

Which system do atropine and scopolamine primarily work on?

Parasympathetic Nervous System (PNS) Signup and view all the answers

Which adverse reaction should the nurse monitor for in a patient receiving bethanechol?

Dry mouth Signup and view all the answers

What is the primary indication for using bethanechol?

Treat neurogenic bladder atony Signup and view all the answers

What measure should the nurse take when administering bethanechol to assure effective use and decrease the risk of adverse effects?

Administer with meals Signup and view all the answers

What is a potential adverse effect of using cevimeline or pilocarpine?

Dry mouth Signup and view all the answers

Which action is a direct effect of cholinergic agonists like bethanechol on the body?

Increased bladder tone Signup and view all the answers

What should the nurse assess in a patient receiving cholinergic agonists like bethanechol?

Blood pressure and ECG changes Signup and view all the answers

What is an adverse reaction associated with cholinergic agonists like bethanechol that the nurse should monitor for?

Urinary urgency Signup and view all the answers