Pass Pharmacy Tech

Drug classes and stems: set 1

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1. Generic drugs ending in "-pril" usually belong to which class?

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Explanation
The stem -pril points to ACE inhibitors. ACE inhibitors are commonly studied blood pressure medicines. Examples: lisinopril, enalapril, benazepril, ramipril.

Remember: pril lowers pressure.

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2. Generic drugs ending in "-sartan" usually belong to which class?

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Explanation
The stem -sartan points to ARBs (angiotensin II receptor blockers). ARBs lower blood pressure by blocking angiotensin II at the receptor. Examples: losartan, valsartan, olmesartan, irbesartan.

Remember: sartan blocks angiotensin.

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3. Generic drugs ending in "-olol" usually belong to which class?

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Explanation
The ending -olol is a memory cue for beta blockers, which can slow the heart and lower blood pressure. Examples include metoprolol, atenolol, and propranolol. Carvedilol is a beta blocker with a different ending.

Remember: olol slows heart.

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4. Labetalol and carvedilol block which receptors, and do their endings match?

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Explanation
Both are combined alpha- and beta-adrenergic blockers. Labetalol ends in -alol; carvedilol ends in -dilol. Carvedilol is a spelling exception to the -alol memory cue, not an exception to the combined blocking action.

Remember: Labetalol: -alol. Carvedilol: -dilol. Both block alpha and beta.

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5. Generic drugs ending in "-dipine" usually belong to which class?

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Explanation
The stem -dipine points to Dihydropyridine calcium channel blockers. Dihydropyridine CCBs relax vessels to lower blood pressure. Examples: amlodipine, nifedipine, felodipine.

Remember: dipines lower pressure.

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6. Generic drugs ending in "-pamil" usually belong to which class?

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Explanation
The stem -pamil points to Non-dihydropyridine calcium channel blockers. Non-dihydropyridine CCBs slow heart rate and dilate vessels. Examples: verapamil.

Remember: pamil slows the rate.

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7. Generic drugs ending in "-thiazide" usually belong to which class?

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Explanation
The stem -thiazide points to Thiazide diuretics. Thiazide diuretics lower blood pressure by removing extra fluid. Examples: hydrochlorothiazide, chlorothiazide.

Remember: thiazides remove fluid.

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8. Generic drugs ending in "-semide" usually belong to which class?

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Explanation
The stem -semide points to Loop diuretic pattern. Loop diuretics remove fluid quickly and powerfully. Examples: furosemide, torsemide.

Remember: semide sends fluid out.

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