Question

What bone reference is used to count the ribs in front
1 .The clavicle.
2. Costal arch.
3. The angle of Louis.
4. Epigastric angle.
5. Spiny process of the VII cervical vertebra.​

Answer 1

Answer:

The sternum is a long, flat bone that forms the front of the rib cage. The cartilages of the top seven ribs (the true ribs) join with the sternum at the sternocostal joints. The costal cartilage of the second rib articulates with the sternum at the sternal angle making it easy to locate.