Vascular Access Exam Prep

Answer: A- A special precaution when collecting a specimen for blood cultures is establishing and maintaining aseptic technique during the collection process. Bacteria are found on the skin surface and are considered normal. Without using special precautions, the normal skin bacteria may contaminate the specimen. The puncture site and rubber stopper on collection bottles are prepared using tincture of iodine. After area has been prepared, the nurse should take care not to contaminate the site by inadvertently touching or allowing the tourniquet to touch the area.