When a blood culture is ordered, which of the following is used at the venipuncture site to eliminate contaminating bacteria?

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If a blood culture is ordered, additional preparation is needed at the venipuncture site to eliminate contaminating bacteria. Povidone-iodine solution commonly is used; chlorhexidine gluconate or benzalkonium chloride can be used for patients who are allergic to iodine. Sterile soap pads, benzalkonium chloride, or povidone-iodine (Betadine) can be used when a sample for a blood alcohol test is drawn. The most commonly used antiseptic is 70% isopropyl alcohol, but it only inhibits the reproduction of bacteria; it does not sterilize the skin.

When a Blood Culture Is Ordered, Which of the Following