Final answer:
The correct use of a Single Point Stick (SPS) is to administer it at a 45-degree angle for proper delivery, as this allows for controlled and effective medication delivery or blood sampling without causing tissue damage.
Step-by-step explanation:
The correct use of a Single Point Stick (SPS) is C) Administering it at a 45-degree angle for proper delivery. The reason for using this technique is to ensure that the device penetrates the skin efficiently without going too deep into the tissue, thereby allowing for more controlled and effective delivery of medication or for obtaining a blood sample. Inserting the SPS too deeply could cause discomfort and potential tissue damage, while using it on a bony area could lead to inaccurate readings and potential pain. Additionally, it is always essential to ensure the site is clean before using the SPS to prevent infections and other complications.