Before doctors on TV inject someone they flick the needle is this nessesery and if so why . Does it actually happen in real life
In: Biology
Yes, it happens in real-life, and it is to remove air.
However, it’s a poor way of doing so, and the reason isn’t to prevent death from the air, but to ensure that the drug dose is accurate.
Small bubbles such as those you’d get in a syringe wouldn’t cause harm.
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