How do needles attach to a Non-Luer-Lok syringe?

In a Non-Luer-Lok syringe, the needle is designed to slip onto the tip of the syringe. This attachment method provides a straightforward and quick way to change needles or administer medications. The Non-Luer-Lok design does not utilize a locking mechanism; instead, it relies on friction to keep the needle securely in place during use. This allows for ease of use in various clinical scenarios, especially when rapid access to medication is needed.

Other attachment methods, such as twisting the needle onto the syringe or requiring adapters, are characteristics of different syringe types. Permanent attachments would hinder the usability of the syringe for various procedures, as needle changes may be necessary for different applications. Thus, the simplicity and efficiency of the slip-on mechanism in Non-Luer-Lok syringes make it the correct answer.