1.Medication Administration: Hypodermic needles are crucial for precise drug delivery, ensuring patients receive the correct dosage. 2.Vaccination: They play a vital role in administering vaccines, safeguarding against a range of diseases. 3.Blood Draws: Essential for diagnostic testing, providing critical information about a patient's health. 4.Intravenous Therapy: Allows for direct delivery of fluids, medications, and blood products into the bloodstream. 5.Intramuscular Injections: Used for efficient absorption of certain medications directly into muscle tissue.