What pre-use device checks are commonly required?

• A. Inspect for damage, verify safety mechanism, ensure nozzle is clear, and confirm expiration date.
• B. Inspect for cosmetic appearance only.
• C. Verify the device brand and model.
• D. Shake the can vigorously before use.

Answer: (D)

Before using OC spray, you want to confirm the device will function reliably and safely when needed. The essential checks are to inspect for any physical damage, verify that the safety mechanism works and can be easily disengaged, ensure the nozzle is clear so the spray won’t be blocked, and confirm the expiration date so the formulation and propellant are still effective. These steps address both the mechanical readiness and the chemical efficacy of the device.

Cosmetic appearance alone does not guarantee function, so that choice misses the reliability aspect. Merely knowing the brand or model doesn’t ensure the unit is in working condition. Shaking the can vigorously before use is not a standard pre-use requirement and can risk an accidental discharge or alter spray characteristics, so it’s not part of proper pre-use checks.