ATI LPN Pharmacology 2023 | Nurselytic

Correct Answer: C

Rationale: The correct answer is C: Insert the needle into the right thigh at a 90° angle. When administering insulin, the thigh is a recommended site for injection due to its larger muscle mass, which helps with consistent absorption. Inserting the needle at a 90° angle ensures proper depth for subcutaneous injection. This method also minimizes the risk of injecting into a blood vessel or reaching deeper tissues. Using the right thigh allows for rotation of injection sites, preventing lipodystrophy. Administering at a 90° angle promotes optimal absorption and minimizes discomfort for the client.


Choice A is incorrect because a tuberculin syringe is not typically used for insulin administration, and a 15° angle is too shallow for a subcutaneous injection.
Choice B is incorrect as a 20-gauge needle is too large for insulin injections, which are typically administered with smaller gauge needles.
Choice D is incorrect as the Z-track method is not used for insulin injections, and a slow

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