Final answer:
a) Costovertebral Joint. The tubercle of a rib and the transverse process of the lower vertebrae articulate at the costovertebral joint. This joint is formed between the head of the rib and the superior and inferior costal facets on the vertebral body of the thoracic vertebrae.
Step-by-step explanation:
The correct answer is a) Costovertebral Joint. The tubercle of a rib and the transverse process of the lower vertebrae articulate at the costovertebral joint. This joint is formed between the head of the rib and the superior and inferior costal facets on the vertebral body of the thoracic vertebrae. The tubercle of the rib articulates with the transverse process, providing additional support and stability to the rib.