Pharmacy Technician Certification Exam Practice Questions Practice Question
Nitroglycerin sublingual tablets are kept in airtight containers to prevent loss of potency due to:
Correct Answer: C
Rationale: Nitroglycerin sublingual tablets are stored in airtight containers primarily to prevent oxidation, which can degrade the medication and diminish its effectiveness.
Option A, cross-contamination, is not a primary concern with airtight containers, as they are designed to keep the tablets isolated from external substances.
Option B, immiscibility, refers to the inability of two substances to mix, which is unrelated to the preservation of nitroglycerin's potency.
Option D, solubility, pertains to how well a substance dissolves, but does not directly influence the stability of the tablets in terms of potency.
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