You did great

Teacher Nie's tone was always like a calm pond, perfectly encapsulating the exceptional composure of a pediatric surgeon.

Unlike Teacher Tan and Senior Tao, who would encourage her more as she grew more timid, Teacher Nie showed a different kind of boss-like style in this regard. The slight irritation in Xie Wanying's heart seemed to be smoothed over by Teacher Nie's calm gaze. She steadied her mind and got ready.

There was only a character difference between the internal jugular vein and the external jugular vein, yet they were vastly different. One was a superficial vein, the other a deep vein. As a deep vein, the internal jugular vein ran deep among the muscles, making it much harder to locate than the superficial veins visible to the naked eye in the superficial fascial layer. The difficulty in locating it meant that the puncture's difficulty was exponentially higher.

Such deep vein punctures could only be performed by a doctor.