NUR 354 Pharmacology II Module 1
Neurologic Drugs (Adrenergic Drugs,
Antiepileptics, Cholinergic Drugs) Exam
Questions and Answers
Alpha receptors and beta receptors - Answer-What are the two types of adrenergic
receptors that are very important in pharmacology?
Located in all sympathetic target organs except the heart; response is they constrict
blood vessels and dilate pupils - Answer-What do alpha 1-adrenergic receptors do, and
where are they located?
located in all sympathetic target organs except the heart; they inhibit smooth muscle -
Answer-What do beta 2-adrenergic receptors do, and where are they located?
located in presynaptic adrenergic nerve terminals; they inhibit release of norepinephrine
- Answer-What do alpha 2-adrenergic receptors do, and where are they located?
located in the heart and kidneys; they increase heart rate and force of contraction as
well as release renin - Answer-What do beta 1-adrenergic receptors do, and where are
they located?
phenylephrine (Neo-Synephrine) - Answer-Prototype for adrenergic agents
(sympathomimetics)
stimulate the sympathetic nervous system directly or indirectly; produces many if the
same responses and anticholinergics - Answer-MOA of phenylephrine
True - Answer-True or false: adrenergic agents' (sympathomimetics) primary use
depends on the receptors activated by the medication.
tachycardia, hypertension, dysrhythmias, CNS excitation and seizures, dry mouth,
nausea and vomiting, anorexia, anticholinergic effects - Answer-Adverse effects of
adrenergic agents (sympathomimetics)
MAOIs used in conjunction with this drug may cause hypertensive crisis; tricyclic
antidepressants, ergot alkaloids, and oxytocin may cause increased effects of the drug;
phenylephrine is incompatible with iron preparations (ferric salts); digoxin may cause
dysrhythmias when taken with this drug - Answer-Interactions with phenylephrine
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