answersLogoWhite

0


Best Answer

you have to add air to get return of the medication into the syringe because the vial is a vacuum. you are breaking the seal of the vacuum and will get out in medication what you put in of air.

User Avatar

Wiki User

13y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why is air injected into a vial before attempting to withdraw a drug with a syringe?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Why does the doctor push the plunger of the syringe before he pulls it out to draw liquid to a syringe?

So that there wouldnt be any air in the syringe. because if just a little bit of air is injected into your body, you'll die


Can you voluntarily withdraw a chapter seve bankrupt?

you can always withdraw the proceedings of any chapter of bankruptcy, up and until the point of time that you go before the court. Once you go before the court and swear to the insolvency, then you are done at that point. Any time before going before the court you can withdraw.


How would you draw up 0.18 ml in a 1 ml syringe?

How would you draw up 0.18 in a 1ml syringe


Is provident fund amount taxable on withdrawal?

If withdrawn before 5 years it is taxable else it is not taxable


I want to withdraw the recurring deposit money before maturity?

It is difficult to withdraw a recurring deposit before its maturity. Banks will typically make a person wait one year before withdrawal.


Will you get benefits if you withdraw before the flexi deposit scheme maturity period?

Yes, under flexi deposit option you can withdraw before the maturity period and yet get a portion of profits.


Can you withdraw funds from a 401k before age 59 12?

You can, but you will be fined.


How do you use the bulb syringe to clear congestion of an infant with nasopharyngitis?

Compress before insert to the nasal.


Why did Letitia Geer make the medical syringe?

She didn't invent it. It was in use for decades before she was born.


Can you withdraw money anytime from your reccuring account?

No. Recurring Deposits have a maturity date and you can withdraw the money only after the deposit matures. If you want to withdraw the money before maturity date, the bank will charge you a penalty for doing so.


What Is The Earliest I Can Withdraw For A Flexible Deposit Option?

Under flexible deposit option you can withdraw your investment before maturity. You can withdraw between 0-3 months or 3-6 months and still enjoy partial benefits.


What is a sentence using the word withdraw?

The general noticed that his soldiers were beginning to lose the battle, so he attempted to withdraw his men before he lost any more of them.