The quickest way for a drug to reach the bloodstream is through injection, i.e., option B.
<h3>What is an injection?</h3>
A way of administering a liquid to a person using a needle and syringe is referred to as an injection. It is also called a 'shot' or 'jab'.
The quickest way for a drug to reach the bloodstream is through injection.
Thus, the correct option is B.
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