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Terms in this set (65)
What are adrenergic agonists? Medications that mimic the effects of sympathetic
nervous system neurotransmitters (catecholamines).
Name the two main types of Catecholamines and Noncatecholamines.
adrenergic medications.
What is a characteristic of They cannot be given orally and have a brief duration
catecholamines? of action.
What is a characteristic of They can be given orally and are metabolized slowly
noncatecholamines? by MAO, resulting in a longer half-life.
What is the primary action of alpha1- Stimulation results in vasoconstriction of blood
adrenergic receptors? vessels and relaxation of GI smooth muscles.
What are the effects of beta1- Increased force of contraction, increased heart rate,
adrenergic receptor stimulation? and increased conduction through the AV node.
What are common indications for Respiratory conditions (asthma, COPD), ophthalmic
adrenergic agonists? uses, and cardiovascular support.
What are vasoactive Drugs that support the heart during cardiac failure or
sympathomimetics? shock, also known as pressors or inotropes.
List two examples of vasoactive Dopamine (Intropin) and Epinephrine (Adrenalin).
sympathomimetics.
, What are common adverse effects of Headache, restlessness, chest pain, tachycardia, and
alpha-adrenergic agonists? hypertension.
What are the interactions of They can intensify effects and increase the risk of
adrenergic agonists with tricyclic hypertension.
antidepressants?
What is the role of adrenergic They block stimulation of the sympathetic nervous
antagonists? system.
What are the two major groups of Alpha-adrenergic blockers and beta-adrenergic
adrenergic antagonists? blockers.
What is a common indication for alpha Hypertension and benign prostatic hyperplasia
blockers? (BPH).
What should be monitored when Blood pressure and heart rate, especially if systolic
administering beta blockers? BP is less than 100 or HR is less than 60.
What is the significance of They primarily block beta1 receptors, reducing heart
cardioselective beta blockers? rate and myocardial oxygen demand.
What are common examples of beta Metoprolol (Lopressor), Atenolol (Tenormin), and
blockers? Propranolol (Inderal).
What nursing implications are Monitor HR, BP, and educate patients on changing
important for adrenergic antagonists? positions slowly.
What is the effect of nonselective beta They can cause bronchoconstriction due to blocking
blockers on respiratory function? beta2 receptors.
What is the effect of alpha1 agonists in Reduction of intraocular pressure and dilation of
ophthalmic use? pupils.
What are the adverse effects of beta2 Mild tremors, headache, and nervousness.
agonists?