Enteric-coated (EC) tabletsare designed todelay drug release until they reach the intestine, preventing stomach irritation and degradation by gastric acid. The coatingresists stomach acidbut dissolves in thehigher pH environment of the intestines.
Aspirin EC(prevents stomach irritation)
Pantoprazole EC(proton pump inhibitor)
Diclofenac EC(NSAID)
A. Buffered→ Incorrect; buffered formulationsneutralize stomach acidbut do not delay release until the intestines.
C. Controlled release→ Incorrect; controlled-release formulationsgradually release medicationover time but are not specifically designed tobypass the stomach.
D. Buccal→ Incorrect; buccal tablets dissolve in thecheek mucosa, bypassing the digestive system entirely.
Examples of Enteric-Coated Medications:Other Answer Choices Explained:References:
FDA Drug Formulation Guidelines
USP <795> Drug Release & Absorption Standards
PTCB PTCE Exam Content Outline (Pharmaceutical Dosage Forms & Drug Release Mechanisms)
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