The vertebral level associated with the sternal angle is the disk between which vertebrae?

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Multiple Choice

The vertebral level associated with the sternal angle is the disk between which vertebrae?

Explanation:
The sternal angle (angle of Louis) is a reliable surface landmark that marks the junction between the manubrium and the body of the sternum and lies opposite the intervertebral disk between the fourth and fifth thoracic vertebrae. It also corresponds to where the second costal cartilage articulates and to where the trachea bifurcates into the bronchi. Therefore, the vertebral level associated with the sternal angle is the disk between the fourth and fifth thoracic vertebrae.

The sternal angle (angle of Louis) is a reliable surface landmark that marks the junction between the manubrium and the body of the sternum and lies opposite the intervertebral disk between the fourth and fifth thoracic vertebrae. It also corresponds to where the second costal cartilage articulates and to where the trachea bifurcates into the bronchi. Therefore, the vertebral level associated with the sternal angle is the disk between the fourth and fifth thoracic vertebrae.

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