AN21.1-11 | Thoracic cage — Practice Quiz

The sternal angle (Angle of Louis) is the junction between the manubrium and the body of the sternum. It marks the level of the 2nd costal cartilage and which vertebral level posteriorly?

The 1st rib is considered the most atypical of all ribs. Which of the following features is unique to the 1st rib?

A typical thoracic vertebra has demifacets (half-facets) on its body for rib articulation. Which of the following vertebrae has a COMPLETE (full) costal facet on its body rather than demifacets?

A patient presents with numbness and tingling in the medial forearm and hand, and weakness of grip. Imaging reveals an extra rib arising from the C7 vertebra compressing structures at the thoracic inlet. Which of the following structures is most likely compressed?

In a typical intercostal space, the neurovascular bundle runs in the costal groove on the inferior border of the rib above. From superior to inferior, the order of structures in the bundle is:

A patient suffering a myocardial infarction reports referred pain along the inner (medial) aspect of the left arm. This referred pain is carried by a nerve that is the lateral cutaneous branch of which intercostal nerve?

The intercostal neurovascular bundle lies between which two muscle layers of the intercostal space?

A chest drain needs to be inserted in the triangle of safety. The correct intercostal space and technique for insertion is:

During inspiration, the anteroposterior diameter of the thorax increases primarily due to which type of rib movement?

A typical rib articulates with the vertebral column at two joints — the joint of the head and the costotransverse joint. Which ribs LACK a costotransverse joint?

A CT scan of the thorax at the level of T4/T5 intervertebral disc would show the boundary between which two mediastinal compartments?

A 35-year-old man presents with sharp, localised chest pain at the left sternal border, worsening with breathing and palpation. There is visible swelling over the 2nd costochondral junction. ECG and cardiac enzymes are normal. The most likely diagnosis is: