True about sternal angle -: (A) Xiphisternal joint, (B) AtT6.7 level, (C) Articulates with 2nd costal cartilage, (D) None of the above
Answer is C. Ans. is 'c' i.e., Articulates with 2nd costal cartilageo Sternal angle of Louis is man uhriosternal joint (not xiphisternal joint),o It is at the level of T4 -T5 intervertebral space,o 2nd costal cartilage articulates at sternal angle