What needle length is typically used for a subcutaneous injection at a 90-degree angle?

Prepare for your Administering Medication Test. Revise using flashcards and multiple choice with detailed hints and explanations. Boost your confidence for the exam!

For subcutaneous injections, the typical needle length used when administering at a 90-degree angle is often 5/8 inch. This length is ideal for ensuring that the medication is delivered into the subcutaneous tissue, which lies just beneath the skin. The subcutaneous layer is where the body can effectively absorb the medication, and using an appropriate needle length helps prevent complications such as injecting into deeper tissues (like muscle) or not reaching the desired area at all.

While a 1/2 inch needle might also be used in certain situations, especially for patients with less body fat, the 5/8 inch needle is generally recommended for most adult patients receiving subcutaneous injections. This length strikes a balance that allows for proper penetration into the fatty tissue while minimizing discomfort and potential injury. The other options, such as 1 inch and 1.5 inch needles, are typically used for intramuscular injections or other routes, making them less suitable for subcutaneous use at a 90-degree angle.

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