NSG 251 Exam 3 Questions and Correct Answers/ Latest Update / Already Graded

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NSG 251 Exam 3 Questions and Correct
Answers/ Latest Update / Already
Graded
alpha 1 receptors are found in ----causing-----


Ans: smooth muscle /vasoconstriction




While alpha 1 receptors cause vasoconstriction it can also cause -----

- where?


Ans: relaxation/GI smooth muscle




Beta 1 receptors are found


Ans: The heart




When beta 1 receptors are stimulated, 3 things happen....

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Ans: 1). Increase in force of contraction


2. increase in heart rate


3). increase in conduction




Beta 3 receptors decreases


Ans: urinary frequency of bladder contractions which increases filling

phase of bladder




Beta 2 receptors


Ans: bronchodilation in lungs




Some beta 2 receptor drugs


Ans: -terol drugs like albuterol, ephedrine, terbutaline




Nasal Decongestants


Ans: alpha 1 receptors

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Nasal Decongestant drugs


Ans: ephedrine, tetrahydrozoline, naphazoline




Ophthalmics stimulate ---- causing-----


Ans: alpha receptors /arteriole vasoncontriction




Adrenergics in eyes can treat


Ans: open angle glaucoma




adrenergics in the eyes can reduce


Ans: intraocular pressur e




Adrenergics in the eyes can dilate the eyes by stimulating ---- and ----

receptors


Ans: alpha/beta 2

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adverse for alpha receptor drugs


Ans: headache, insomnia, euphoria, hypertension, reflexive bradycardia




adverse for beta receptor drugs


Ans: headache, dizziness, dysrhythmias and fluctuations in BP




toxic effects of adrenergic drugs (2 most life threatening) and ----


Ans: CNS/Cardiovascular systems /seizures




adrenergic drugs have very short ----


Ans: half lives




Since adrenergic drugs have short half lives, if overdosed what can

be done to fix the situation?


Ans: Stopping the drug