ADEX Dental Hygiene Exam Prep

Answer: C - The dagger-shaped bone in the middle of the anterior chest wall is the sternum, which either directly or indirectly joins the bibs by costal cartilages. The manubrium is the upper handle part that articulates with the clavicle and first and second ribs. The middle blade part is the body. The blunt cartilaginous lower tip that ossifies during adulthood is the xiphoid process.