Collection of Blood and Non-Blood Specimens Practice Exam 2026 – The Complete Guide to Mastering Specimen Collection!

An indicator of an improperly performed venipuncture is when there is a hit of the nerve or the blood drawn back is dark and clotted. Hitting a nerve during venipuncture can lead to pain or discomfort for the patient, and it may also result in complications such as nerve damage, which is a significant concern in phlebotomy practice. The presence of dark and clotted blood may indicate that the venipuncture has compromised the blood’s integrity, perhaps due to hemolysis or improper technique.

Recognizing these signs helps in ensuring that the venipuncture can be performed safely and effectively. This understanding is crucial for avoiding patient complications and ensuring quality sample collection for diagnostic purposes. Thus, identifying this particular issue aligns with best practices in phlebotomy, emphasizing the importance of technique and patient care during blood collection.