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Pharmacology exam 2- UTA(solved & updated)
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Pharmacology exam 2- UTA(solved & updated)
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Pharmacologyexam 2-
UTA(solved &
updated)
what is the method of action of beta blockers? - answer
blocks beta 1 (cardio selective) and/or beta 2 (non-cardio
selective) receptors to reduce BP/CO/Contractility
what are the prototype beta blocking drugs? why are they
different? - answer Propranolol (Inderal)-non-cardio
selective - works on B1 and B2 receptors
Atenolol (Tenormin)-cardio selective -works only on beta 1
receptors
why are beta blockers used? - answer treatment of angina,
post MI, HTN, migraines, glaucoma, HF
what are the major side effects of beta blockers? - answer
SERIOUS: CHF/MI, severe bradycardia, heart block,
dysrhythmias, bronchospasm (noncardio selective),
hypersensitivity reaction
, COMMON: bradycardia, orthostatic hypotension, fatigue,
drowsiness, cold extremities
beta blocker drug interactions - answer loop diuretics
(reduce preload- lower BP)
Calcium channel blockers (decrease BP, slow HR)
insulin (pt may not recognize signs of hypoglycemia)
how will you know if a beta blocker is working? - answer
reduced HR, BP
what is the prototype alpha 1 agonist? what do they treat?
- answer tamsulosin (Flowmax)-BPH
Phentamine (Regitine)- HTN
what is the prototype alpha 2 agonist? - answer Clonidine
what do both alpha agonist drugs treat? - answer HTN
what classes of drugs treat mainly hypertension? - answer
beta blockers, ACE inhibitors, ARBs, Calcium channel
blockers
what is the prototype ACE inhibitor? - answer Lipitor
(Zestril)
what is the prototype ARB? - answer Losartan (Cozaar)
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