Ontario Registered Pharmacy Technician (RphT) Practice Exam

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Which of the following is NOT a parenteral route of administration?

  1. IV

  2. IM

  3. SC

  4. Sublingual

The correct answer is: Sublingual

Sublingual administration refers to sublingual (under the tongue) absorption. This route allows for medication to dissolve directly into the bloodstream, making it a form of enteral (through the gastrointestinal tract) administration rather than parenteral (outside of the gastrointestinal tract) administration. This makes option D, "Sublingual" the correct answer. Options A, B, and C are incorrect because they all refer to parenteral routes of administration. These routes bypass the gastrointestinal tract and deliver medication directly into the body, either through injection into a muscle (IM), injection into a vein (IV), or injection under the skin (SC).

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