The sternal angle (angle of Louis) is a critical palpable landmark in surface anatomy. Which of the following accurately describes an anatomical feature associated with it?

Question

Answer

It lies opposite the intervertebral disc between T10 and T11.

Answer

It is formed by the articulation of the xiphoid process with the body of the sternum.

Answer

It marks the level of the 2nd costal cartilage and the tracheal bifurcation (carina).

Answer

It is located at the xiphisternal joint.

Answer

It marks the level of the 1st costal cartilage.

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The sternal angle (angle of Louis) is a critical palpable landmark in surface an...

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