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Pharmacology-4
Sympatholytics
| Question | Answer |
|---|---|
| What are the indirect acting sympatholytics? | reserpine, guanethidine, guanadrel |
| what are the non-selective alpha antagonists? | phentolamine, phenoxybenzamine |
| which non-selective alpha antagonists are irreversible? | phenoxybenzamine |
| what are the alpha 1 antagonists? | prazosin, doxazosin, terazosin, tamsulosin |
| which alpha 1 antagonist is selective for alpha 1ac? | tamsulosin |
| what are the alpha 2 antagonists? | yohimbine |
| whatare the nonselective beta antagonists? | propanolol, timolol, nadolol, pindolol |
| what are the beta 1 antagonists? | metoprolol, atenolol, acebutolol, esmolol |
| what are the beta 2 antagonists? | butoxamine |
| which beta antagonists are irreversible? | none, they are all competitive |
| reserpine | indirect antagonist |
| guanethidine | indirect antagonist |
| guanedrel | indirect antagonist |
| phentolamine | nonselective alpha antagonist |
| phenoxybenzamine | non selective, irreversible alpha antagonist |
| how are phentolamine and phenoxybenzamine different? | they are both non-selective alpha antagonists, but phenoxybenzamine is irreversible |
| prazosin | alpha 1 antagonist |
| doxazosin | alpha 1 antagonist |
| Terazosin | alpha 1 antagonist |
| Tamsulosin | irreversible alpha 1 antagonist |
| yohimbine | alpha 2 antagonist |
| what are the alpha and beta antagonists? | labetalol, carvedilol |
| labetalol | alpha and beta antagonist |
| carvedilol | alpha and beta antagonist |
| propanolol | nonselective beta agonist |
| timolol | nonselective beta agonist |
| nadolol | nonselective beta agonist |
| pindolol | nonselective beta agonist |
| metoprolol | beta 1 antag |
| atenolol | beta 1 antag |
| acebutolol | beta 1 antag |
| esmolol | beta 1 antag |
| butoxamine | beta 2 antag |