Pharm Ch. 30 Adrenergic Agonists Prep U

What is a naturally occurring catecholamine?

Dopamine

Adrenergic drugs shouldn't be taken with:

MAO inhibitors

Adrenergic drugs mimic the effects of stimulating what part of the nervous system?

Sympathetic

epinephrine causes relaxation of

bronchioles

Some synthetic catecholamines are:

dobutamine, ephedrine, and metaraminol

Phenylephrine:

found in cold and allergy products constricts topical vessels decreases the swelling and signs and symptoms of rhinitis

For a client in shock, dopamine helps to

increase blood pressure

effects of administering epinephrine:

increased vasoconstrictive effects

Adrenergic drugs are commonly used on:

patients in shock

why is epinephrine used in conjunction with local anesthetic?

prolonged action of local anesthetic prevents systemic absorption minimizes bleeding

stimulation of a1 receptors:

regulates the release of neurotransmitters decreases the tone, motility, and secretions of GI tone increase the heart rate and force of myocardial infarction vasodilaton of the peripheral vessels causes bronchodilation

Another name for adrenergic drugs is:

sympathomimetic drugs

Stimulation of a1 receptors:

vasoconstriction of peripheral blood vessels