Which statement is NOT a typical indicator of successful venipuncture?

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The essential signs of a successful venipuncture are that blood flows into the collection tube, the patient remains comfortable, and an adequate sample volume is obtained. These indicate the vein was properly accessed and the collection system is drawing blood efficiently. The statement that the needle remains visible but no blood is drawn does not fit this pattern. When you can see the needle but no blood enters the tube, it suggests the vein hasn’t been adequately cannulated or blood isn’t entering the system—possible causes include the needle not fully in the vein, a collapsed vein, or an issue with the collection vacuum. In that situation you’d reposition or redirect the needle, check that the bevel is in the vein, confirm a blood flash, and possibly try another vein if needed.