OSMT (Ontario Society of Medical Technologists) Practice Exam

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What is a basilic vein in the arm described as?

The central vein in the Antecubital fossa
Large vein on the inner side of the Antecubital fossa when viewed anteriorly
Large vein on the inner side of the Antecubital fossa when viewed posteriorly
Large vein on the outer side of the Antecubital fossa when viewed anteriorly

The correct answer is: Large vein on the inner side of the Antecubital fossa when viewed anteriorly

The basilic vein is accurately described as a large vein on the inner side of the antecubital fossa when viewed anteriorly. This positioning is significant because it plays a critical role in venipuncture and vascular access procedures. In the context of the arm's anatomy, the antecubital fossa is the area opposite the elbow, and the basilic vein runs along the medial (inner) side of this area, making it relatively accessible for blood draws. The prominence of the basilic vein is important for healthcare professionals as it can serve as a site for intravenous access, but it can be more challenging to locate compared to other veins due to its deeper position and proximity to surrounding structures. Understanding this anatomical detail helps in avoiding complications during medical procedures and ensures that the correct vein is selected for access.